Best GPT-5 Alternatives in 2026
Find the top alternatives to GPT-5 currently available. Compare ratings, reviews, pricing, and features of GPT-5 alternatives in 2026. Slashdot lists the best GPT-5 alternatives on the market that offer competing products that are similar to GPT-5. Sort through GPT-5 alternatives below to make the best choice for your needs
-
1
Gemini 3.5 Pro
Google
Gemini 3.5 Pro is Google’s expected flagship Pro model for the Gemini 3.5 generation, built for users who need advanced intelligence across reasoning, coding, multimodal analysis, and agentic execution. The model is positioned as a higher-capability option for complex work that requires stronger planning, deeper instruction following, and more reliable handling of multi-step tasks. It is expected to serve demanding use cases such as software engineering, research synthesis, data analysis, enterprise automation, AI agents, and advanced productivity workflows. Gemini 3.5 Pro will likely expand on the Gemini 3 model family’s focus on state-of-the-art reasoning, tool use, and multimodal understanding. Unlike Flash models, which prioritize speed and cost efficiency, Gemini 3.5 Pro is expected to prioritize maximum capability for more difficult and high-value tasks. Developers may use it to build coding assistants, autonomous agents, technical copilots, business analysis tools, and applications that need to process complex context. Its anticipated strengths include long-horizon task execution, advanced code generation, structured problem solving, and improved performance on workflows that require careful reasoning. Gemini 3.5 Pro is not yet broadly documented as a generally available model, so businesses should treat it as an upcoming release rather than a fully launched product. Once available, it is expected to become a strong option for teams that want Google’s most capable Gemini 3.5 model for serious AI application development. -
2
GPT-6 Astra
OpenAI
$10 per 1M tokens (input) 1 RatingGPT-6 Astra is an advanced general-purpose AI model from OpenAI designed for demanding agentic, technical, scientific, and professional workflows. The model combines reasoning with computer-use capabilities that let it interact with applications, websites, development environments, productivity software, and specialized tools. It can perform activities such as online research, CRM updates, form completion, calendar organization, data analysis, software testing, troubleshooting, and frontend quality assurance. Astra is also trained for professional artifact creation, including documents, presentations, spreadsheets, analyses, websites, applications, and visual designs that follow provided templates and business conventions. Its software engineering capabilities support complex coding, codebase understanding, debugging, database migration, verification, and extended autonomous development tasks. OpenAI has also introduced a Codex context system for Astra that can maintain notes across context windows and search earlier conversation and tool history instead of relying exclusively on repeated summarization. Scientific capabilities span areas such as mathematics, biology, chemistry, health, data analysis, and the use of specialized research software. The model includes strengthened alignment and cybersecurity safeguards intended to help it remain within authorized task boundaries while supporting legitimate activities such as secure code review and vulnerability remediation. GPT-6 Astra is available across supported ChatGPT plans and developer platforms, including the OpenAI API and Amazon Web Services infrastructure. -
3
Grok 4.5 is SpaceXAI’s smartest model, designed to excel at coding, agentic workflows, engineering tasks, and knowledge work. The model was trained on large-scale datasets covering coding, science, engineering, and math, with additional reinforcement learning focused on multi-step software engineering. It is built to perform well on real engineering workflows, including debugging, terminal-based tasks, complex code generation, Rust and C/C++ development, and app building from minimal prompts. Grok 4.5 is served at fast-model speeds while using fewer output tokens on comparable coding tasks, helping teams complete technical work more quickly and cost-effectively. The model is also available in Grok Build, where it can help create Excel models, PowerPoint presentations, Word documents, diagrams, business review decks, and research-supported productivity assets. Developers can access Grok 4.5 through the SpaceXAI API, Cursor, and Grok Build, with simple API key setup and support for direct integration into coding and automation workflows. Its pricing is positioned for high-intelligence work at scale, with per-million-token rates for both input and output usage. Grok 4.5 is also trained for agentic execution, allowing it to handle longer technical rollouts and multi-step problem solving more effectively. For developers, engineering teams, and knowledge workers, Grok 4.5 provides a powerful AI model for software creation, office automation, technical reasoning, and production-grade agent workflows.
-
4
Claude Fable 5
Anthropic
$10 per 1 million (input) 1 RatingClaude Fable 5 is Anthropic’s most capable generally available AI model, built to tackle demanding tasks across software development, research, business analysis, scientific exploration, and enterprise productivity. The model demonstrates state-of-the-art performance in coding, reasoning, visual understanding, long-context processing, and autonomous task execution. Claude Fable 5 can analyze large codebases, interpret complex documents and datasets, generate detailed reports, and assist with advanced decision-making processes. Its enhanced memory capabilities allow it to remain effective during long-running workflows and multi-step projects. The model also delivers strong performance in image analysis, chart interpretation, scientific reasoning, and technical problem-solving. Anthropic has incorporated advanced safety classifiers that detect certain high-risk topics and automatically redirect those interactions to a more restricted model experience. These safeguards are designed to reduce misuse while still providing productive assistance for legitimate users. Claude Fable 5 is available through the Claude platform and API, enabling developers and organizations to integrate advanced AI capabilities into their applications and workflows. The platform is designed to help businesses improve productivity, accelerate innovation, and streamline complex knowledge work. -
5
Inkling
Thinking Machines Lab
FreeInkling is Thinking Machines’ open-weights foundation model built for customization, multimodal reasoning, and agentic AI workflows. The model uses a Mixture-of-Experts architecture with 975 billion total parameters and 41 billion active parameters, making it large in capacity while activating only a subset of experts per token. Inkling supports up to a 1 million token context window and was pretrained on 45 trillion tokens spanning text, images, audio, and video. It is designed as a broad generalist model with strengths across coding, reasoning, instruction following, factuality, tool use, vision, audio understanding, forecasting, and safety. Developers can tune its thinking effort to trade off latency, cost, and performance, which is useful for production systems that need efficient reasoning at scale. Inkling can be fine-tuned on Tinker, tested in the Inkling Playground, and deployed through partners such as TogetherAI, Fireworks, Modal, Databricks, Baseten, vLLM, SGLang, llama.cpp, and Hugging Face transformers. The model can generate applications, operate tools, create styled artifacts, reason over visual and audio inputs, and support long refinement loops for collaborative work. Thinking Machines also previewed Inkling-Small, a lighter Mixture-of-Experts model with 276 billion total parameters and 12 billion active parameters for lower-cost and lower-latency workloads. By combining open weights, multimodal training, agentic capabilities, efficient reasoning, and fine-tuning support, Inkling gives builders a flexible AI foundation for specialized products and workflows. -
6
Qwen3.8-Max
Alibaba
$2 per 1M (input) 1 RatingQwen3.8-Max is a frontier AI model from the Qwen family designed for advanced coding, coworking, research, multimodal reasoning, and long-horizon autonomous tasks. It is described as Qwen’s most capable model to date and the first Qwen-Max-class model with open weights announced for release. The model scales to 2.4 trillion parameters with 95 billion active parameters and is accessible through QwenCloud. Qwen3.8-Max is built to answer difficult questions and complete complex deliverables from start to finish. Its coding capabilities include autonomous project creation, self-testing, issue dispatch, CI validation, pull request workflows, and long-running feedback loops. The model is also designed for real-world work across legal review, UI/UX design, restaurant operations, structural engineering, rehabilitation visualization, sports analytics, and quantitative research. Its multimodal capabilities support images, documents, videos, interface reconstruction, visual production, application recreation, and visual feedback loops. QwenCloud supports industry-standard API protocols, including OpenAI-compatible chat completions and responses APIs as well as an Anthropic-compatible interface. By combining large-scale reasoning, agentic coding, multimodal intelligence, API access, long-context workflows, and open-weight availability, Qwen3.8-Max gives teams a powerful foundation for building advanced AI systems. -
7
Seed2.1 Pro
ByteDance
Seed2.1 represents a groundbreaking advancement in productivity tools, featuring two distinct AI models, Pro and Turbo, tailored for varying levels of user needs. Designed to address intricate challenges encountered in everyday tasks, workplace responsibilities, and innovative ventures, this agent significantly enhances capabilities in areas such as general assistance, code development, multimodal comprehension, knowledge application, and reasoning processes. For demanding office tasks and intricate daily consultations, Seed2.1 adeptly manages a range of multi-step processes, including project management, document handling, tool utilization, data analysis, solution formulation, content organization, and synthesis of outcomes. In the realm of software development, Seed2.1 optimizes end-to-end processes within enterprise-level workflows, covering aspects like requirement gathering, software architecture, feature development, debugging, environment configuration, and quality assurance. Additionally, the model is proficient in comprehending entire codebases, effectively coordinating updates across numerous files, and ensuring the delivery of sustainable, production-ready software engineering solutions. Ultimately, Seed2.1 not only enhances productivity but also empowers users to tackle complex challenges with confidence. -
8
MiniMax M3
MiniMax
$0.30 per million input tokens 1 RatingMiniMax M3 is a frontier open-weight AI model built for coding, agentic work, multimodal understanding, and ultra-long-context tasks. The model supports up to a 1 million token context window, allowing it to work across large codebases, long documents, logs, project histories, and complex task environments. MiniMax M3 introduces MiniMax Sparse Attention, a sparse attention architecture designed to make long-context processing more efficient. The model is natively multimodal, with training that supports deeper semantic fusion across text, image, and video inputs. It is designed to support software engineering tasks, repository analysis, terminal-style work, browser-style retrieval, tool use, and autonomous workflows. MiniMax M3 has a mixture-of-experts architecture with hundreds of billions of total parameters and a smaller activated parameter count for more efficient inference. Developers can use it for AI coding assistants, workflow automation, research agents, document analysis, visual reasoning, and enterprise AI systems. Its long-context capability makes it especially useful when tasks require many files, references, instructions, or interaction histories to stay available at once. MiniMax M3 helps teams build more capable AI agents that can understand larger problems, work across multiple modalities, and execute complex tasks with stronger context awareness. -
9
Claude Opus 4.8
Anthropic
$5 per 1M (input) 1 RatingClaude Opus 4.8 is Anthropic’s newest flagship AI model built to improve coding performance, reasoning accuracy, agentic task execution, and collaborative AI workflows for developers, enterprises, and advanced productivity use cases. The model serves as an upgrade to Claude Opus 4.7, delivering measurable improvements across benchmarks related to coding, practical reasoning, software engineering, and autonomous task management while maintaining the same pricing structure for standard usage. One of the most significant improvements in Claude Opus 4.8 is its enhanced honesty and judgment during complex tasks, reducing the likelihood of unsupported claims, hidden errors, or overlooked flaws in generated code and analytical outputs. Anthropic’s evaluations show that Opus 4.8 is substantially less likely than previous versions to allow software defects or reasoning mistakes to pass without flagging uncertainty or requesting clarification. The platform introduces new effort control settings that allow users to adjust how deeply the model reasons through tasks, balancing response quality, processing depth, speed, and token usage depending on workflow requirements. Claude Opus 4.8 also powers new dynamic workflow functionality in Claude Code, enabling the model to coordinate hundreds of parallel subagents within a single session to handle large-scale software engineering tasks such as codebase migrations and extensive automation projects. The model supports high-speed fast mode processing, now significantly more affordable than previous versions, while also offering higher-effort reasoning modes optimized for difficult coding and operational workflows. -
10
Muse Spark 1.1
Meta
$1.25 per 1M tokens (input) 1 RatingMuse Spark 1.1 is Meta’s upgraded multimodal reasoning model designed to support advanced agentic workflows, coding tasks, computer use, and complex tool orchestration. Developed by Meta Superintelligence Labs, it builds on Muse Spark with major gains in planning, tool use, long-context reasoning, multimodal perception, and real-world task execution. The model can work across external apps and services, native tools, MCP servers, custom skills, browsers, scripts, images, video, PDFs, and audio inputs. Muse Spark 1.1 can act as a main agent by gathering context, creating a plan, and delegating work to parallel subagents, or operate as a subagent that follows instructions and escalates when needed. Its 1 million token context window allows it to retain earlier actions, retrieve information from long workflows, and compact context while preserving critical details. The model is also trained for computer-use tasks, deciding when to automate with scripts and when to interact directly with an interface. In coding workflows, Muse Spark 1.1 can diagnose bugs, implement features, migrate large codebases, generate web applications, take screenshots, identify UI issues, and validate fixes. Its multimodal strengths include visual-to-code generation, detailed image and video captioning, grounded perception, and workflows where seeing, reasoning, and acting happen together. Available through the Meta Model API public preview and in Thinking mode inside Meta AI, Muse Spark 1.1 gives developers and users a more capable foundation for building agents, automations, coding assistants, and multimodal productivity tools. -
11
Amazon Nova 2 Lite
Amazon
The Nova 2 Lite is an efficient and rapid reasoning model specifically crafted to manage typical AI tasks related to text, images, and video. It produces coherent and context-sensitive responses while allowing users to adjust the level of internal reasoning, known as “thinking depth,” before arriving at an answer. This versatility empowers teams to opt for quicker responses or more thorough resolutions based on their specific needs. It is particularly effective in applications such as customer service chatbots, automated documentation processes, and overall business workflow enhancement. Nova 2 Lite excels in standard evaluation tests, often matching or surpassing other similar compact models in various benchmark assessments, which highlights its dependable understanding and quality of responses. Its notable capabilities encompass analyzing intricate documents, extracting precise insights from video materials, generating functional code, and providing well-grounded answers based on the information presented. Additionally, its adaptability makes it a valuable asset for diverse industries seeking to optimize their AI-driven solutions. -
12
GLM-5.3-Flash
Z.ai
$0.15 per 1M tokens (input) 1 RatingGLM-5.3-Flash is a multimodal foundation model from Z.ai built for high-efficiency reasoning, coding, agents, and visual understanding. The model contains 320 billion parameters in total but activates only 18 billion parameters during inference, helping reduce compute requirements. Its architecture combines linear attention with sparse attention so it can efficiently handle both local dependencies and relevant information spread across very long contexts. Z.ai also introduced IndexPool to reduce the memory and latency overhead associated with long-context retrieval at context lengths reaching one million tokens. The model was pretrained on a 30-trillion-token multimodal dataset that incorporates both textual and visual information. GLM-5.3-Flash is designed for software engineering tasks, autonomous workflows, frontend development, computer use, document analysis, and other professional workloads that benefit from visual reasoning. Its visual coding capabilities allow it to inspect rendered interfaces, identify layout or interaction problems, and use those observations to revise its work. Benchmark results published by Z.ai show that it improves substantially over GLM-5.2 on multiple coding and agentic tests while remaining competitive with more expensive frontier models. GLM-5.3-Flash can be accessed through Z.ai services and is also available as downloadable model weights for deployment through supported open inference frameworks. -
13
Amazon Nova 2 Pro
Amazon
1 RatingNova 2 Pro represents the pinnacle of Amazon’s Nova family, offering unmatched reasoning depth for enterprises that depend on advanced AI to solve demanding operational challenges. It supports multimodal inputs including video, audio, and long-form text, allowing it to synthesize diverse information sources and deliver expert-grade insights. Its performance leadership spans complex instruction following, high-stakes decision tasks, agentic workflows, and software engineering use cases. Benchmark testing shows Nova 2 Pro outperforms or matches the latest Claude, GPT, and Gemini models across numerous intelligence and reasoning categories. Equipped with built-in web search and executable code capability, it produces grounded, verifiable responses ideal for enterprise reliability. Organizations also use Nova 2 Pro as a foundation for training smaller, faster models through distillation, making it adaptable for custom deployments. Its multimodal strengths support use cases like video comprehension, multi-document Q&A, and sophisticated data interpretation. Nova 2 Pro ultimately empowers teams to operate with higher accuracy, faster iteration cycles, and safer automation across critical workflows. -
14
Amazon Nova 2 Omni
Amazon
Nova 2 Omni is an innovative model that seamlessly integrates multimodal reasoning and generation, allowing it to comprehend and generate diverse types of content, including text, images, video, and audio. Its capability to process exceptionally large inputs, which can encompass hundreds of thousands of words or several hours of audiovisual material, enables it to maintain a coherent analysis across various formats. As a result, it can simultaneously analyze comprehensive product catalogs, extensive documents, customer reviews, and entire video libraries, providing teams with a singular system that eliminates the necessity for multiple specialized models. By managing mixed media within a unified workflow, Nova 2 Omni paves the way for new opportunities in both creative and operational automation. For instance, a marketing team can input product specifications, brand standards, reference visuals, and video content to effortlessly generate an entire campaign that includes messaging, social media content, and visuals, all in one streamlined process. This efficiency not only enhances productivity but also fosters innovation in how teams approach their marketing strategies. -
15
Composer 1
Cursor
$20 per monthComposer is an AI model crafted by Cursor, specifically tailored for software engineering functions, and it offers rapid, interactive coding support within the Cursor IDE, an enhanced version of a VS Code-based editor that incorporates smart automation features. This model employs a mixture-of-experts approach and utilizes reinforcement learning (RL) to tackle real-world coding challenges found in extensive codebases, enabling it to deliver swift, contextually aware responses ranging from code modifications and planning to insights that grasp project frameworks, tools, and conventions, achieving generation speeds approximately four times faster than its contemporaries in performance assessments. Designed with a focus on development processes, Composer utilizes long-context comprehension, semantic search capabilities, and restricted tool access (such as file editing and terminal interactions) to effectively address intricate engineering inquiries with practical and efficient solutions. Its unique architecture allows it to adapt to various programming environments, ensuring that users receive tailored assistance suited to their specific coding needs. -
16
Command A Translate
Cohere AI
Cohere's Command A Translate is a robust machine translation solution designed for enterprises, offering secure and top-notch translation capabilities in 23 languages pertinent to business. It operates on an advanced 111-billion-parameter framework with an 8K-input / 8K-output context window, providing superior performance that outshines competitors such as GPT-5, DeepSeek-V3, DeepL Pro, and Google Translate across various benchmarks. The model facilitates private deployment options for organizations handling sensitive information, ensuring they maintain total control of their data, while also featuring a pioneering “Deep Translation” workflow that employs an iterative, multi-step refinement process to significantly improve translation accuracy for intricate scenarios. RWS Group’s external validation underscores its effectiveness in managing demanding translation challenges. Furthermore, the model's parameters are accessible for research through Hugging Face under a CC-BY-NC license, allowing for extensive customization, fine-tuning, and adaptability for private implementations, making it an attractive option for organizations seeking tailored language solutions. This versatility positions Command A Translate as an essential tool for enterprises aiming to enhance their communication across global markets. -
17
ERNIE 4.5
Baidu
$0.55 per 1M tokensERNIE 4.5 represents a state-of-the-art conversational AI platform crafted by Baidu, utilizing cutting-edge natural language processing (NLP) models to facilitate highly advanced, human-like communication. This platform is an integral component of Baidu's ERNIE (Enhanced Representation through Knowledge Integration) lineup, which incorporates multimodal features that encompass text, imagery, and voice interactions. With ERNIE 4.5, the AI models' capacity to comprehend intricate contexts is significantly improved, enabling them to provide more precise and nuanced answers. This makes the platform ideal for a wide range of applications, including but not limited to customer support, virtual assistant services, content generation, and automation in corporate environments. Furthermore, the integration of various modes of communication ensures that users can engage with the AI in the manner most convenient for them, enhancing the overall user experience. -
18
Composer 1.5
Cursor
Composer 1.5 is the newest agentic coding model from Cursor that enhances both speed and intelligence for routine coding tasks, achieving a remarkable 20-fold increase in reinforcement learning capabilities compared to its earlier version, which translates to improved performance on real-world programming problems. This model is crafted as a "thinking model," generating internal reasoning tokens that facilitate the analysis of a user's codebase and the planning of subsequent actions, enabling swift responses to straightforward issues while engaging in more profound reasoning for intricate challenges. Additionally, it maintains interactivity and efficiency, making it ideal for daily development processes. To address prolonged tasks, Composer 1.5 features self-summarization, which allows the model to condense information and retain context when it hits limits, thus preserving accuracy across a variety of input lengths. Internal evaluations indicate that Composer 1.5 outperforms its predecessor in coding tasks, particularly excelling in tackling more complex problems, further enhancing its utility for interactive applications within Cursor's ecosystem. Overall, this model represents a significant advancement in coding assistance technology, promising to streamline the development experience for users. -
19
ERNIE X1
Baidu
$0.28 per 1M tokensERNIE X1 represents a sophisticated conversational AI model created by Baidu within their ERNIE (Enhanced Representation through Knowledge Integration) lineup. This iteration surpasses earlier versions by enhancing its efficiency in comprehending and producing responses that closely resemble human interaction. Utilizing state-of-the-art machine learning methodologies, ERNIE X1 adeptly manages intricate inquiries and expands its capabilities to include not only text processing but also image generation and multimodal communication. Its applications are widespread in the realm of natural language processing, including chatbots, virtual assistants, and automation in enterprises, leading to notable advancements in precision, contextual awareness, and overall response excellence. The versatility of ERNIE X1 makes it an invaluable tool in various industries, reflecting the continuous evolution of AI technology. -
20
ERNIE 5.0
Baidu
ERNIE 5.0, developed by Baidu, is an advanced multimodal conversational AI platform that sets new standards for natural interaction and contextual intelligence. As part of the ERNIE (Enhanced Representation through Knowledge Integration) series, it merges cutting-edge natural language processing, machine learning, and knowledge graph technologies to deliver more accurate and human-like responses. The system understands not just text but also images, speech, and other inputs, enabling seamless communication across multiple channels. With its enhanced reasoning and comprehension capabilities, ERNIE 5.0 can navigate complex queries, maintain coherent dialogue, and generate contextually relevant content. Businesses use ERNIE 5.0 for a wide range of applications, including AI-powered virtual assistants, intelligent customer support, content automation, and decision-support systems. It also offers enterprise-grade scalability, making it suitable for deployment across industries such as finance, healthcare, and education. Baidu’s integration of multimodal learning gives ERNIE 5.0 a unique edge in understanding real-world context and emotion. Overall, it represents a powerful evolution in AI communication—bridging human intention and machine understanding more effectively than ever before. -
21
DeepSeek R1
DeepSeek
Free 1 RatingDeepSeek-R1 is a cutting-edge open-source reasoning model created by DeepSeek, aimed at competing with OpenAI's Model o1. It is readily available through web, app, and API interfaces, showcasing its proficiency in challenging tasks such as mathematics and coding, and achieving impressive results on assessments like the American Invitational Mathematics Examination (AIME) and MATH. Utilizing a mixture of experts (MoE) architecture, this model boasts a remarkable total of 671 billion parameters, with 37 billion parameters activated for each token, which allows for both efficient and precise reasoning abilities. As a part of DeepSeek's dedication to the progression of artificial general intelligence (AGI), the model underscores the importance of open-source innovation in this field. Furthermore, its advanced capabilities may significantly impact how we approach complex problem-solving in various domains. -
22
ERNIE X1.1
Baidu
ERNIE X1.1 is Baidu’s latest reasoning AI model, designed to raise the bar for accuracy, reliability, and action-oriented intelligence. Compared to ERNIE X1, it delivers a 34.8% boost in factual accuracy, a 12.5% improvement in instruction compliance, and a 9.6% gain in agentic behavior. Benchmarks show that it outperforms DeepSeek R1-0528 and matches the capabilities of advanced models such as GPT-5 and Gemini 2.5 Pro. The model builds upon ERNIE 4.5 with additional mid-training and post-training phases, reinforced by end-to-end reinforcement learning. This approach helps minimize hallucinations while ensuring closer alignment to user intent. The agentic upgrades allow it to plan, make decisions, and execute tasks more effectively than before. Users can access ERNIE X1.1 through ERNIE Bot, Wenxiaoyan, or via API on Baidu’s Qianfan platform. Altogether, the model delivers stronger reasoning capabilities for developers and enterprises that demand high-performance AI. -
23
DeepSeek V3.1
DeepSeek
FreeDeepSeek V3.1 stands as a revolutionary open-weight large language model, boasting an impressive 685-billion parameters and an expansive 128,000-token context window, which allows it to analyze extensive documents akin to 400-page books in a single invocation. This model offers integrated functionalities for chatting, reasoning, and code creation, all within a cohesive hybrid architecture that harmonizes these diverse capabilities. Furthermore, V3.1 accommodates multiple tensor formats, granting developers the versatility to enhance performance across various hardware setups. Preliminary benchmark evaluations reveal strong results, including a remarkable 71.6% on the Aider coding benchmark, positioning it competitively with or even superior to systems such as Claude Opus 4, while achieving this at a significantly reduced cost. Released under an open-source license on Hugging Face with little publicity, DeepSeek V3.1 is set to revolutionize access to advanced AI technologies, potentially disrupting the landscape dominated by conventional proprietary models. Its innovative features and cost-effectiveness may attract a wide range of developers eager to leverage cutting-edge AI in their projects. -
24
DeepSeek R2
DeepSeek
FreeDeepSeek R2 is the highly awaited successor to DeepSeek R1, an innovative AI reasoning model that made waves when it was introduced in January 2025 by the Chinese startup DeepSeek. This new version builds on the remarkable achievements of R1, which significantly altered the AI landscape by providing cost-effective performance comparable to leading models like OpenAI’s o1. R2 is set to offer a substantial upgrade in capabilities, promising impressive speed and reasoning abilities akin to that of a human, particularly in challenging areas such as complex coding and advanced mathematics. By utilizing DeepSeek’s cutting-edge Mixture-of-Experts architecture along with optimized training techniques, R2 is designed to surpass the performance of its predecessor while keeping computational demands low. Additionally, there are expectations that this model may broaden its reasoning skills to accommodate languages beyond just English, potentially increasing its global usability. The anticipation surrounding R2 highlights the ongoing evolution of AI technology and its implications for various industries. -
25
DeepSeek-V3.2-Exp
DeepSeek
FreeIntroducing DeepSeek-V3.2-Exp, our newest experimental model derived from V3.1-Terminus, featuring the innovative DeepSeek Sparse Attention (DSA) that enhances both training and inference speed for lengthy contexts. This DSA mechanism allows for precise sparse attention while maintaining output quality, leading to improved performance for tasks involving long contexts and a decrease in computational expenses. Benchmark tests reveal that V3.2-Exp matches the performance of V3.1-Terminus while achieving these efficiency improvements. The model is now fully operational across app, web, and API platforms. Additionally, to enhance accessibility, we have slashed DeepSeek API prices by over 50% effective immediately. During a transition period, users can still utilize V3.1-Terminus via a temporary API endpoint until October 15, 2025. DeepSeek encourages users to share their insights regarding DSA through our feedback portal. Complementing the launch, DeepSeek-V3.2-Exp has been made open-source, with model weights and essential technology—including crucial GPU kernels in TileLang and CUDA—accessible on Hugging Face. We look forward to seeing how the community engages with this advancement. -
26
DeepSeek-V3.2
DeepSeek
FreeDeepSeek-V3.2 is a highly optimized large language model engineered to balance top-tier reasoning performance with significant computational efficiency. It builds on DeepSeek's innovations by introducing DeepSeek Sparse Attention (DSA), a custom attention algorithm that reduces complexity and excels in long-context environments. The model is trained using a sophisticated reinforcement learning approach that scales post-training compute, enabling it to perform on par with GPT-5 and match the reasoning skill of Gemini-3.0-Pro. Its Speciale variant overachieves in demanding reasoning benchmarks and does not include tool-calling capabilities, making it ideal for deep problem-solving tasks. DeepSeek-V3.2 is also trained using an agentic synthesis pipeline that creates high-quality, multi-step interactive data to improve decision-making, compliance, and tool-integration skills. It introduces a new chat template design featuring explicit thinking sections, improved tool-calling syntax, and a dedicated developer role used strictly for search-agent workflows. Users can encode messages using provided Python utilities that convert OpenAI-style chat messages into the expected DeepSeek format. Fully open-source under the MIT license, DeepSeek-V3.2 is a flexible, cutting-edge model for researchers, developers, and enterprise AI teams. -
27
Claude Haiku 4.5
Anthropic
$1 per million input tokensAnthropic has introduced Claude Haiku 4.5, its newest small language model aimed at achieving near-frontier capabilities at a significantly reduced cost. This model mirrors the coding and reasoning abilities of the company's mid-tier Sonnet 4, yet operates at approximately one-third of the expense while delivering over double the processing speed. According to benchmarks highlighted by Anthropic, Haiku 4.5 either matches or surpasses the performance of Sonnet 4 in critical areas such as code generation and intricate "computer use" workflows. The model is specifically optimized for scenarios requiring real-time, low-latency performance, making it ideal for applications like chat assistants, customer support, and pair-programming. Available through the Claude API under the designation “claude-haiku-4-5,” Haiku 4.5 is designed for large-scale implementations where cost-effectiveness, responsiveness, and advanced intelligence are essential. Now accessible on Claude Code and various applications, this model's efficiency allows users to achieve greater productivity within their usage confines while still enjoying top-tier performance. Moreover, its launch marks a significant step forward in providing businesses with affordable yet high-quality AI solutions. -
28
DeepSeek-V3.2-Speciale
DeepSeek
FreeDeepSeek-V3.2-Speciale is the most advanced reasoning-focused version of the DeepSeek-V3.2 family, designed to excel in mathematical, algorithmic, and logic-intensive tasks. It incorporates DeepSeek Sparse Attention (DSA), an efficient attention mechanism tailored for very long contexts, enabling scalable reasoning with minimal compute costs. The model undergoes a robust reinforcement learning pipeline that scales post-training compute to frontier levels, enabling performance that exceeds GPT-5 on internal evaluations. Its achievements include gold-medal-level solutions in IMO 2025, IOI 2025, ICPC World Finals, and CMO 2025, with final submissions publicly released for verification. Unlike the standard V3.2 model, the Speciale variant removes tool-calling capabilities to maximize focused reasoning output without external interactions. DeepSeek-V3.2-Speciale uses a revised chat template with explicit thinking blocks and system-level reasoning formatting. The repository includes encoding tools showing how to convert OpenAI-style chat messages into DeepSeek’s specialized input format. With its MIT license and 685B-parameter architecture, DeepSeek-V3.2-Speciale offers cutting-edge performance for academic research, competitive programming, and enterprise-level reasoning applications. -
29
Claude Opus 4.5
Anthropic
Anthropic’s release of Claude Opus 4.5 introduces a frontier AI model that excels at coding, complex reasoning, deep research, and long-context tasks. It sets new performance records on real-world engineering benchmarks, handling multi-system debugging, ambiguous instructions, and cross-domain problem solving with greater precision than earlier versions. Testers and early customers reported that Opus 4.5 “just gets it,” offering creative reasoning strategies that even benchmarks fail to anticipate. Beyond raw capability, the model brings stronger alignment and safety, with notable advances in prompt-injection resistance and behavior consistency in high-stakes scenarios. The Claude Developer Platform also gains richer controls including effort tuning, multi-agent orchestration, and context management improvements that significantly boost efficiency. Claude Code becomes more powerful with enhanced planning abilities, multi-session desktop support, and better execution of complex development workflows. In the Claude apps, extended memory and automatic context summarization enable longer, uninterrupted conversations. Together, these upgrades showcase Opus 4.5 as a highly capable, secure, and versatile model designed for both professional workloads and everyday use. -
30
Claude Opus 4.1
Anthropic
Claude Opus 4.1 represents a notable incremental enhancement over its predecessor, Claude Opus 4, designed to elevate coding, agentic reasoning, and data-analysis capabilities while maintaining the same level of deployment complexity. This version boosts coding accuracy to an impressive 74.5 percent on SWE-bench Verified and enhances the depth of research and detailed tracking for agentic search tasks. Furthermore, GitHub has reported significant advancements in multi-file code refactoring, and Rakuten Group emphasizes its ability to accurately identify precise corrections within extensive codebases without introducing any bugs. Independent benchmarks indicate that junior developer test performance has improved by approximately one standard deviation compared to Opus 4, reflecting substantial progress consistent with previous Claude releases. -
31
Claude Sonnet 4.5
Anthropic
Claude Sonnet 4.5 represents Anthropic's latest advancement in AI, crafted to thrive in extended coding environments, complex workflows, and heavy computational tasks while prioritizing safety and alignment. It sets new benchmarks with its top-tier performance on the SWE-bench Verified benchmark for software engineering and excels in the OSWorld benchmark for computer usage, demonstrating an impressive capacity to maintain concentration for over 30 hours on intricate, multi-step assignments. Enhancements in tool management, memory capabilities, and context interpretation empower the model to engage in more advanced reasoning, leading to a better grasp of various fields, including finance, law, and STEM, as well as a deeper understanding of coding intricacies. The system incorporates features for context editing and memory management, facilitating prolonged dialogues or multi-agent collaborations, while it also permits code execution and the generation of files within Claude applications. Deployed at AI Safety Level 3 (ASL-3), Sonnet 4.5 is equipped with classifiers that guard against inputs or outputs related to hazardous domains and includes defenses against prompt injection, ensuring a more secure interaction. This model signifies a significant leap forward in the intelligent automation of complex tasks, aiming to reshape how users engage with AI technologies. -
32
Claude Sonnet 4 is an advanced AI model that enhances coding, reasoning, and problem-solving capabilities, perfect for developers and businesses in need of reliable AI support. This new version of Claude Sonnet significantly improves its predecessor’s capabilities by excelling in coding tasks and delivering precise, clear reasoning. With a 72.7% score on SWE-bench, it offers exceptional performance in software development, app creation, and problem-solving. Claude Sonnet 4’s improved handling of complex instructions and reduced errors in codebase navigation make it the go-to choice for enhancing productivity in technical workflows and software projects.
-
33
Gemini 3 Pro is a next-generation AI model from Google designed to push the boundaries of reasoning, creativity, and code generation. With a 1-million-token context window and deep multimodal understanding, it processes text, images, and video with unprecedented accuracy and depth. Gemini 3 Pro is purpose-built for agentic coding, performing complex, multi-step programming tasks across files and frameworks—handling refactoring, debugging, and feature implementation autonomously. It integrates seamlessly with development tools like Google Antigravity, Gemini CLI, Android Studio, and third-party IDEs including Cursor and JetBrains. In visual reasoning, it leads benchmarks such as MMMU-Pro and WebDev Arena, demonstrating world-class proficiency in image and video comprehension. The model’s vibe coding capability enables developers to build entire applications using only natural language prompts, transforming high-level ideas into functional, interactive apps. Gemini 3 Pro also features advanced spatial reasoning, powering applications in robotics, XR, and autonomous navigation. With its structured outputs, grounding with Google Search, and client-side bash tool, Gemini 3 Pro enables developers to automate workflows and build intelligent systems faster than ever.
-
34
Gemini 2.5 Pro represents a cutting-edge AI model tailored for tackling intricate tasks, showcasing superior reasoning and coding skills. It stands out in various benchmarks, particularly in mathematics, science, and programming, where it demonstrates remarkable efficacy in activities such as web application development and code conversion. Building on the Gemini 2.5 framework, this model boasts a context window of 1 million tokens, allowing it to efficiently manage extensive datasets from diverse origins, including text, images, and code libraries. Now accessible through Google AI Studio, Gemini 2.5 Pro is fine-tuned for more advanced applications, catering to expert users with enhanced capabilities for solving complex challenges. Furthermore, its design reflects a commitment to pushing the boundaries of AI's potential in real-world scenarios.
-
35
GPT-4.5 represents a significant advancement in AI technology, building on previous models by expanding its unsupervised learning techniques, refining its reasoning skills, and enhancing its collaborative features. This model is crafted to better comprehend human intentions and engage in more natural and intuitive interactions, resulting in greater accuracy and reduced hallucination occurrences across various subjects. Its sophisticated functions allow for the creation of imaginative and thought-provoking content, facilitate the resolution of intricate challenges, and provide support in various fields such as writing, design, and even space exploration. Furthermore, the model's enhanced ability to interact with humans paves the way for practical uses, ensuring that it is both more accessible and dependable for businesses and developers alike. By continually evolving, GPT-4.5 sets a new standard for how AI can assist in diverse applications and industries.
-
36
GPT-4.1 represents a significant upgrade in generative AI, with notable advancements in coding, instruction adherence, and handling long contexts. This model supports up to 1 million tokens of context, allowing it to tackle complex, multi-step tasks across various domains. GPT-4.1 outperforms earlier models in key benchmarks, particularly in coding accuracy, and is designed to streamline workflows for developers and businesses by improving task completion speed and reliability.
-
37
GPT-5 mini
OpenAI
$0.25 per 1M tokensOpenAI’s GPT-5 mini is a cost-efficient, faster version of the flagship GPT-5 model, designed to handle well-defined tasks and precise inputs with high reasoning capabilities. Supporting text and image inputs, GPT-5 mini can process and generate large amounts of content thanks to its extensive 400,000-token context window and a maximum output of 128,000 tokens. This model is optimized for speed, making it ideal for developers and businesses needing quick turnaround times on natural language processing tasks while maintaining accuracy. The pricing model offers significant savings, charging $0.25 per million input tokens and $2 per million output tokens, compared to the higher costs of the full GPT-5. It supports many advanced API features such as streaming responses, function calling, and fine-tuning, while excluding audio input and image generation capabilities. GPT-5 mini is compatible with a broad range of API endpoints including chat completions, real-time responses, and embeddings, making it highly flexible. Rate limits vary by usage tier, supporting from hundreds to tens of thousands of requests per minute, ensuring reliability for different scale needs. This model strikes a balance between performance and cost, suitable for applications requiring fast, high-quality AI interaction without extensive resource use. -
38
GPT-5-Codex-Mini
OpenAI
GPT-5-Codex-Mini provides a more resource-efficient way to code, allowing approximately four times the usage compared to GPT-5-Codex while maintaining dependable functionality for most development needs. It performs exceptionally well for straightforward coding, automation, and maintenance tasks where full-scale model power isn’t required. Integrated into the CLI and IDE extension via ChatGPT sign-in, it’s designed for accessibility and convenience across environments. When users approach 90% of their rate limits, the system proactively recommends switching to the Mini model to ensure continuous workflow. ChatGPT Plus, Business, and Edu accounts enjoy 50% higher rate limits, giving developers more capacity for sustained sessions. Pro and Enterprise plans gain priority processing, making response times noticeably faster during peak usage. The overall system architecture has been optimized for GPU efficiency, contributing to higher throughput and reduced latency. Together, these refinements make Codex more versatile and reliable for both individual and professional programming work. -
39
GPT-5 pro
OpenAI
OpenAI’s GPT-5 Pro represents the pinnacle of AI reasoning power, offering enhanced capabilities for solving the toughest problems with unparalleled precision and depth. This version leverages extensive parallel compute resources to deliver highly accurate, detailed answers that outperform prior models across challenging scientific, medical, mathematical, and programming benchmarks. GPT-5 Pro is particularly effective in handling multi-step, complex queries that require sustained focus and logical reasoning. Experts consistently rate its outputs as more comprehensive, relevant, and error-resistant than those from standard GPT-5. It seamlessly integrates with existing ChatGPT offerings, allowing Pro users to access this powerful reasoning mode for demanding tasks. The model’s ability to dynamically allocate “thinking” resources ensures efficient and expert-level responses. Additionally, GPT-5 Pro features improved safety, reduced hallucinations, and better transparency about its capabilities and limitations. It empowers professionals and researchers to push the boundaries of what AI can achieve. -
40
GPT-5 nano
OpenAI
$0.05 per 1M tokensOpenAI’s GPT-5 nano is the most cost-effective and rapid variant of the GPT-5 series, tailored for tasks like summarization, classification, and other well-defined language problems. Supporting both text and image inputs, GPT-5 nano can handle extensive context lengths of up to 400,000 tokens and generate detailed outputs of up to 128,000 tokens. Its emphasis on speed makes it ideal for applications that require quick, reliable AI responses without the resource demands of larger models. With highly affordable pricing — just $0.05 per million input tokens and $0.40 per million output tokens — GPT-5 nano is accessible to a wide range of developers and businesses. The model supports key API functionalities including streaming responses, function calling, structured output, and fine-tuning capabilities. While it does not support web search or audio input, it efficiently handles code interpretation, image generation, and file search tasks. Rate limits scale with usage tiers to ensure reliable access across small to enterprise deployments. GPT-5 nano offers an excellent balance of speed, affordability, and capability for lightweight AI applications. -
41
GPT-5.1
OpenAI
The latest iteration in the GPT-5 series, known as GPT-5.1, aims to significantly enhance the intelligence and conversational abilities of ChatGPT. This update features two separate model types: GPT-5.1 Instant, recognized as the most popular option, is characterized by a warmer demeanor, improved instruction adherence, and heightened intelligence; on the other hand, GPT-5.1 Thinking has been fine-tuned as an advanced reasoning engine, making it easier to grasp, quicker for simpler tasks, and more diligent when tackling complex issues. Additionally, queries from users are now intelligently directed to the model variant that is best equipped for the specific task at hand. This update not only focuses on boosting raw cognitive capabilities but also on refining the communication style, resulting in models that are more enjoyable to interact with and better aligned with users' intentions. Notably, the system card addendum indicates that GPT-5.1 Instant employs a feature called "adaptive reasoning," allowing it to determine when deeper thought is necessary before formulating a response, while GPT-5.1 Thinking adjusts its reasoning time precisely in relation to the complexity of the question posed. Ultimately, these advancements mark a significant step forward in making AI interactions more intuitive and user-friendly. -
42
GPT-5 thinking
OpenAI
GPT-5 Thinking is a specialized reasoning component of the GPT-5 platform that activates when queries require deeper thought and complex problem-solving. Unlike the quick-response GPT-5 base model, GPT-5 Thinking carefully processes multifaceted questions, delivering richer and more precise answers. This enhanced reasoning mode excels in reducing factual errors and hallucinations by analyzing information more thoroughly and applying multi-step logic. It also improves transparency by clearly stating when certain tasks cannot be completed due to missing data or unsupported requests. Safety is a core focus, with GPT-5 Thinking trained to balance helpfulness and risk, especially in sensitive or dual-use scenarios. The model seamlessly switches between fast and deep thinking based on conversation complexity and user intent. With improved instruction following and reduced sycophancy, GPT-5 Thinking offers more natural, confident, and thoughtful interactions. It is accessible to all users as part of GPT-5’s unified system, enhancing both everyday productivity and expert applications. -
43
GPT-5.2 Pro
OpenAI
The Pro version of OpenAI’s latest GPT-5.2 model family, known as GPT-5.2 Pro, stands out as the most advanced offering, designed to provide exceptional reasoning capabilities, tackle intricate tasks, and achieve heightened accuracy suitable for high-level knowledge work, innovative problem-solving, and enterprise applications. Building upon the enhancements of the standard GPT-5.2, it features improved general intelligence, enhanced understanding of longer contexts, more reliable factual grounding, and refined tool usage, leveraging greater computational power and deeper processing to deliver thoughtful, dependable, and contextually rich responses tailored for users with complex, multi-step needs. GPT-5.2 Pro excels in managing demanding workflows, including sophisticated coding and debugging, comprehensive data analysis, synthesis of research, thorough document interpretation, and intricate project planning, all while ensuring greater accuracy and reduced error rates compared to its less robust counterparts. This makes it an invaluable tool for professionals seeking to optimize their productivity and tackle substantial challenges with confidence. -
44
GPT-5.2 Instant
OpenAI
The GPT-5.2 Instant model represents a swift and efficient iteration within OpenAI's GPT-5.2 lineup, tailored for routine tasks and learning, showcasing notable advancements in responding to information-seeking inquiries, how-to guidance, technical documentation, and translation tasks compared to earlier models. This version builds upon the more engaging conversational style introduced in GPT-5.1 Instant, offering enhanced clarity in its explanations that prioritize essential details, thus facilitating quicker access to precise answers for users. With its enhanced speed and responsiveness, GPT-5.2 Instant is adept at performing common functions such as handling inquiries, creating summaries, supporting research efforts, and aiding in writing and editing tasks, while also integrating extensive enhancements from the broader GPT-5.2 series that improve reasoning abilities, manage longer contexts, and ensure factual accuracy. As a part of the GPT-5.2 family, it benefits from shared foundational improvements that elevate its overall reliability and performance for a diverse array of daily activities. Users can expect a more intuitive interaction experience and a significant reduction in the time spent searching for information. -
45
GPT‑5-Codex
OpenAI
GPT-5-Codex is an enhanced iteration of GPT-5 specifically tailored for agentic coding within Codex, targeting practical software engineering activities such as constructing complete projects from the ground up, incorporating features and tests, debugging, executing large-scale refactors, and performing code reviews. The latest version of Codex operates with greater speed and reliability, delivering improved real-time performance across diverse development environments, including terminal/CLI, IDE extensions, web platforms, GitHub, and even mobile applications. For cloud-related tasks and code evaluations, GPT-5-Codex is set as the default model; however, developers have the option to utilize it locally through Codex CLI or IDE extensions. It intelligently varies the amount of “reasoning time” it dedicates based on the complexity of the task at hand, ensuring quick responses for small, clearly defined tasks while dedicating more effort to intricate ones like refactors and substantial feature implementations. Additionally, the enhanced code review capabilities help in identifying critical bugs prior to deployment, making the software development process more robust and reliable. With these advancements, developers can expect a more efficient workflow, ultimately leading to higher-quality software outcomes.