Best LLM API Providers for LiteLLM

Gemini Enterprise Agent Platform is Google Cloud’s next-generation system for designing and managing advanced AI agents across the enterprise. Built as the successor to Vertex AI, it unifies model selection, development, and deployment into a single scalable environment. The platform supports a vast ecosystem of over 200 AI models, including Google’s latest Gemini innovations and popular third-party models. It offers flexible development tools like Agent Studio for visual workflows and the Agent Development Kit for deeper customization. Businesses can deploy agents that operate continuously, maintain long-term memory, and handle multi-step processes with high efficiency. Security and governance are central, with features such as agent identity verification, centralized registries, and controlled access through gateways. The platform also enables seamless integration with enterprise systems, allowing agents to interact with data, applications, and workflows securely. Advanced monitoring tools provide real-time insights into agent behavior and performance. Optimization features help refine agent logic and improve accuracy over time. By combining automation, intelligence, and governance, the platform helps organizations transition to autonomous, AI-driven operations. It ultimately supports faster innovation while maintaining enterprise-grade reliability and control.

OpenRouter serves as a consolidated interface for various large language models (LLMs). It efficiently identifies the most competitive prices and optimal latencies/throughputs from numerous providers, allowing users to establish their own priorities for these factors. There’s no need to modify your existing code when switching between different models or providers, making the process seamless. Users also have the option to select and finance their own models. Instead of relying solely on flawed evaluations, OpenRouter enables the comparison of models based on their actual usage across various applications. You can engage with multiple models simultaneously in a chatroom setting. The payment for model usage can be managed by users, developers, or a combination of both, and the availability of models may fluctuate. Additionally, you can access information about models, pricing, and limitations through an API. OpenRouter intelligently directs requests to the most suitable providers for your chosen model, in line with your specified preferences. By default, it distributes requests evenly among the leading providers to ensure maximum uptime; however, you have the flexibility to tailor this process by adjusting the provider object within the request body. Prioritizing providers that have maintained a stable performance without significant outages in the past 10 seconds is also a key feature. Ultimately, OpenRouter simplifies the process of working with multiple LLMs, making it a valuable tool for developers and users alike.

Perplexity is an AI-driven answer engine that helps users find information quickly and accurately. It uses advanced language models combined with real-time web data to generate clear and relevant responses. Unlike traditional search engines, Perplexity provides direct answers instead of just listing links. Each response includes cited sources, allowing users to verify information. The platform supports conversational queries, enabling users to ask follow-up questions for deeper insights. It is widely used for research, learning, and everyday information needs. Perplexity also offers different modes, such as academic or general search, to refine results. Its interface is simple and designed for fast, distraction-free usage. The tool is useful for professionals, students, and researchers who need reliable information quickly. Overall, Perplexity enhances the search experience by combining AI reasoning with trusted sources.

Claude is an advanced AI assistant created by Anthropic to help users think, create, and work more efficiently. It is built to handle tasks such as content creation, document editing, coding, data analysis, and research with a strong focus on safety and accuracy. Claude enables users to collaborate with AI in real time, making it easy to draft websites, generate code, and refine ideas through conversation. The platform supports uploads of text, images, and files, allowing users to analyze and visualize information directly within chat. Claude includes powerful tools like Artifacts, which help organize and iterate on creative and technical projects. Users can access Claude on the web as well as on mobile devices for seamless productivity. Built-in web search allows Claude to surface relevant information when needed. Different plans offer varying levels of usage, model access, and advanced research features. Claude is designed to support both individual users and teams at scale. Anthropic’s commitment to responsible AI ensures Claude is secure, reliable, and aligned with real-world needs.

Gemini is Google’s intelligent AI platform built to support productivity, creativity, and learning across work, school, and everyday life. It allows users to ask questions, generate text, images, and videos, and explore ideas using conversational AI powered by Gemini 3. By integrating directly with Google Search, Gemini provides grounded answers and supports detailed follow-up discussions on complex topics. The platform includes advanced tools like Deep Research, which condenses hours of online research into structured reports in minutes. Gemini also enables real-time collaboration and spoken brainstorming through Gemini Live. Users can connect Gemini to Gmail, Google Docs, Calendar, Maps, and other Google services to complete tasks across multiple apps at once. Custom AI experts called Gems allow users to save instructions and tailor Gemini for specific roles or workflows. Gemini supports large file analysis with a long context window, making it capable of reviewing books, reports, and large codebases. Flexible subscription tiers offer different levels of access to models, credits, and creative tools. Gemini is available on web and mobile, making it accessible wherever users need intelligent assistance.

DeepSeek stands out as a state-of-the-art AI assistant, leveraging the sophisticated DeepSeek-V3 model that boasts an impressive 600 billion parameters for superior performance. Created to rival leading AI systems globally, it delivers rapid responses alongside an extensive array of features aimed at enhancing daily tasks' efficiency and simplicity. Accessible on various platforms, including iOS, Android, and web, DeepSeek guarantees that users can connect from virtually anywhere. The application offers support for numerous languages and is consistently updated to enhance its capabilities, introduce new language options, and fix any issues. Praised for its smooth functionality and adaptability, DeepSeek has received enthusiastic reviews from a diverse user base around the globe. Furthermore, its commitment to user satisfaction and continuous improvement ensures that it remains at the forefront of AI technology.

Mistral AI stands out as an innovative startup in the realm of artificial intelligence, focusing on open-source generative solutions. The company provides a diverse array of customizable, enterprise-level AI offerings that can be implemented on various platforms, such as on-premises, cloud, edge, and devices. Among its key products are "Le Chat," a multilingual AI assistant aimed at boosting productivity in both personal and professional settings, and "La Plateforme," a platform for developers that facilitates the creation and deployment of AI-driven applications. With a strong commitment to transparency and cutting-edge innovation, Mistral AI has established itself as a prominent independent AI laboratory, actively contributing to the advancement of open-source AI and influencing policy discussions. Their dedication to fostering an open AI ecosystem underscores their role as a thought leader in the industry.

Cohere is a robust enterprise AI platform that empowers developers and organizations to create advanced applications leveraging language technologies. With a focus on large language models (LLMs), Cohere offers innovative solutions for tasks such as text generation, summarization, and semantic search capabilities. The platform features the Command family designed for superior performance in language tasks, alongside Aya Expanse, which supports multilingual functionalities across 23 different languages. Emphasizing security and adaptability, Cohere facilitates deployment options that span major cloud providers, private cloud infrastructures, or on-premises configurations to cater to a wide array of enterprise requirements. The company partners with influential industry players like Oracle and Salesforce, striving to weave generative AI into business applications, thus enhancing automation processes and customer interactions. Furthermore, Cohere For AI, its dedicated research lab, is committed to pushing the boundaries of machine learning via open-source initiatives and fostering a collaborative global research ecosystem. This commitment to innovation not only strengthens their technology but also contributes to the broader AI landscape.

Grok is a powerful AI chatbot developed by xAI, designed to deliver real-time, intelligent, and conversational assistance. It is uniquely integrated with the X platform, enabling access to live data and trending topics for more relevant responses. Grok is built to handle a wide range of tasks, including answering questions, generating content, and assisting with research. The platform combines advanced reasoning capabilities with a conversational tone, often incorporating humor and personality. It uses large-scale language models to understand context and provide accurate, meaningful answers. Grok is particularly useful for staying updated on current events and social trends. Its real-time data access sets it apart from traditional AI assistants that rely on static knowledge. The platform is designed for both casual users and professionals seeking quick insights. It continuously evolves with updates and improvements from xAI. Overall, Grok delivers a modern AI experience focused on relevance, engagement, and real-time intelligence.

Anyscale is a configurable AI platform that unifies tools and infrastructure to accelerate the development, deployment, and scaling of AI and Python applications using Ray. At its core is RayTurbo, an enhanced version of the open-source Ray framework, optimized for faster, more reliable, and cost-effective AI workloads, including large language model inference. The platform integrates smoothly with popular developer environments like VSCode and Jupyter notebooks, allowing seamless code editing, job monitoring, and dependency management. Users can choose from flexible deployment models, including hosted cloud services, on-premises machine pools, or existing Kubernetes clusters, maintaining full control over their infrastructure. Anyscale supports production-grade batch workloads and HTTP services with features such as job queues, automatic retries, Grafana observability dashboards, and high availability. It also emphasizes robust security with user access controls, private data environments, audit logs, and compliance certifications like SOC 2 Type II. Leading companies report faster time-to-market and significant cost savings with Anyscale’s optimized scaling and management capabilities. The platform offers expert support from the original Ray creators, making it a trusted choice for organizations building complex AI systems.

Hugging Face is an AI community platform that provides state-of-the-art machine learning models, datasets, and APIs to help developers build intelligent applications. The platform’s extensive repository includes models for text generation, image recognition, and other advanced machine learning tasks. Hugging Face’s open-source ecosystem, with tools like Transformers and Tokenizers, empowers both individuals and enterprises to build, train, and deploy machine learning solutions at scale. It offers integration with major frameworks like TensorFlow and PyTorch for streamlined model development.

Replicate is a comprehensive platform designed to help developers and businesses seamlessly run, fine-tune, and deploy machine learning models with just a few lines of code. It hosts thousands of community-contributed models that support diverse use cases such as image and video generation, speech synthesis, music creation, and text generation. Users can enhance model performance by fine-tuning models with their own datasets, enabling highly specialized AI applications. The platform supports custom model deployment through Cog, an open-source tool that automates packaging and deployment on cloud infrastructure while managing scaling transparently. Replicate’s pricing model is usage-based, ensuring customers pay only for the compute time they consume, with support for a variety of GPU and CPU options. The system provides built-in monitoring and logging capabilities to track model performance and troubleshoot predictions. Major companies like Buzzfeed, Unsplash, and Character.ai use Replicate to power their AI features. Replicate’s goal is to democratize access to scalable, production-ready machine learning infrastructure, making AI deployment accessible even to non-experts.

Utilize sophisticated coding and language models across a diverse range of applications. Harness the power of expansive generative AI models that possess an intricate grasp of both language and code, paving the way for enhanced reasoning and comprehension skills essential for developing innovative applications. These advanced models can be applied to multiple scenarios, including writing support, automatic code creation, and data reasoning. Moreover, ensure responsible AI practices by implementing measures to detect and mitigate potential misuse, all while benefiting from enterprise-level security features offered by Azure. With access to generative models pretrained on vast datasets comprising trillions of words, you can explore new possibilities in language processing, code analysis, reasoning, inferencing, and comprehension. Further personalize these generative models by using labeled datasets tailored to your unique needs through an easy-to-use REST API. Additionally, you can optimize your model's performance by fine-tuning hyperparameters for improved output accuracy. The few-shot learning functionality allows you to provide sample inputs to the API, resulting in more pertinent and context-aware outcomes. This flexibility enhances your ability to meet specific application demands effectively.

Fireworks collaborates with top generative AI researchers to provide the most efficient models at unparalleled speeds. It has been independently assessed and recognized as the fastest among all inference providers. You can leverage powerful models specifically selected by Fireworks, as well as our specialized multi-modal and function-calling models developed in-house. As the second most utilized open-source model provider, Fireworks impressively generates over a million images each day. Our API, which is compatible with OpenAI, simplifies the process of starting your projects with Fireworks. We ensure dedicated deployments for your models, guaranteeing both uptime and swift performance. Fireworks takes pride in its compliance with HIPAA and SOC2 standards while also providing secure VPC and VPN connectivity. You can meet your requirements for data privacy, as you retain ownership of your data and models. With Fireworks, serverless models are seamlessly hosted, eliminating the need for hardware configuration or model deployment. In addition to its rapid performance, Fireworks.ai is committed to enhancing your experience in serving generative AI models effectively. Ultimately, Fireworks stands out as a reliable partner for innovative AI solutions.

FriendliAI serves as an advanced generative AI infrastructure platform that delivers rapid, efficient, and dependable inference solutions tailored for production settings. The platform is equipped with an array of tools and services aimed at refining the deployment and operation of large language models (LLMs) alongside various generative AI tasks on a large scale. Among its key features is Friendli Endpoints, which empowers users to create and implement custom generative AI models, thereby reducing GPU expenses and hastening AI inference processes. Additionally, it facilitates smooth integration with well-known open-source models available on the Hugging Face Hub, ensuring exceptionally fast and high-performance inference capabilities. FriendliAI incorporates state-of-the-art technologies, including Iteration Batching, the Friendli DNN Library, Friendli TCache, and Native Quantization, all of which lead to impressive cost reductions (ranging from 50% to 90%), a significant decrease in GPU demands (up to 6 times fewer GPUs), enhanced throughput (up to 10.7 times), and a marked decrease in latency (up to 6.2 times). With its innovative approach, FriendliAI positions itself as a key player in the evolving landscape of generative AI solutions.

Gemini Enterprise app is a comprehensive agentic AI platform designed to improve productivity and collaboration across organizations. It enables users to connect various workplace tools and data sources, providing a unified environment for searching, analyzing, and generating content. The platform supports multi-step automation through AI agents that can perform tasks across different applications without manual intervention. Users can leverage prebuilt Google agents or create custom agents using a no-code interface, making AI accessible to both technical and non-technical teams. Gemini Enterprise app also offers centralized control over data access, permissions, and workflows, ensuring secure and compliant operations. It is suitable for various departments, including marketing, sales, engineering, HR, and finance. By grounding AI outputs in enterprise data, it delivers more accurate and relevant results. Overall, it helps organizations operate more efficiently and make data-driven decisions.

The Databricks Data Intelligence Platform empowers every member of your organization to leverage data and artificial intelligence effectively. Constructed on a lakehouse architecture, it establishes a cohesive and transparent foundation for all aspects of data management and governance, enhanced by a Data Intelligence Engine that recognizes the distinct characteristics of your data. Companies that excel across various sectors will be those that harness the power of data and AI. Covering everything from ETL processes to data warehousing and generative AI, Databricks facilitates the streamlining and acceleration of your data and AI objectives. By merging generative AI with the integrative advantages of a lakehouse, Databricks fuels a Data Intelligence Engine that comprehends the specific semantics of your data. This functionality enables the platform to optimize performance automatically and manage infrastructure in a manner tailored to your organization's needs. Additionally, the Data Intelligence Engine is designed to grasp the unique language of your enterprise, making the search and exploration of new data as straightforward as posing a question to a colleague, thus fostering collaboration and efficiency. Ultimately, this innovative approach transforms the way organizations interact with their data, driving better decision-making and insights.

SambaNova is the leading purpose-built AI system for generative and agentic AI implementations, from chips to models, that gives enterprises full control over their model and private data. We take the best models, optimize them for fast tokens and higher batch sizes, the largest inputs and enable customizations to deliver value with simplicity. The full suite includes the SambaNova DataScale system, the SambaStudio software, and the innovative SambaNova Composition of Experts (CoE) model architecture. These components combine into a powerful platform that delivers unparalleled performance, ease of use, accuracy, data privacy, and the ability to power every use case across the world's largest organizations. At the heart of SambaNova innovation is the fourth generation SN40L Reconfigurable Dataflow Unit (RDU). Purpose built for AI workloads, the SN40L RDU takes advantage of a dataflow architecture and a three-tiered memory design. The dataflow architecture eliminates the challenges that GPUs have with high performance inference. The three tiers of memory enable the platform to run hundreds of models on a single node and to switch between them in microseconds. We give our customers the optionality to experience through the cloud or on-premise.

Amazon Bedrock is a comprehensive service that streamlines the development and expansion of generative AI applications by offering access to a diverse range of high-performance foundation models (FMs) from top AI organizations, including AI21 Labs, Anthropic, Cohere, Meta, Mistral AI, Stability AI, and Amazon. Utilizing a unified API, developers have the opportunity to explore these models, personalize them through methods such as fine-tuning and Retrieval Augmented Generation (RAG), and build agents that can engage with various enterprise systems and data sources. As a serverless solution, Amazon Bedrock removes the complexities associated with infrastructure management, enabling the effortless incorporation of generative AI functionalities into applications while prioritizing security, privacy, and ethical AI practices. This service empowers developers to innovate rapidly, ultimately enhancing the capabilities of their applications and fostering a more dynamic tech ecosystem.

Together AI offers a cloud platform purpose-built for developers creating AI-native applications, providing optimized GPU infrastructure for training, fine-tuning, and inference at unprecedented scale. Its environment is engineered to remain stable even as customers push workloads to trillions of tokens, ensuring seamless reliability in production. By continuously improving inference runtime performance and GPU utilization, Together AI delivers a cost-effective foundation for companies building frontier-level AI systems. The platform features a rich model library including open-source, specialized, and multimodal models for chat, image generation, video creation, and coding tasks. Developers can replace closed APIs effortlessly through OpenAI-compatible endpoints. Innovations such as ATLAS, FlashAttention, Flash Decoding, and Mixture of Agents highlight Together AI’s strong research contributions. Instant GPU clusters allow teams to scale from prototypes to distributed workloads in minutes. AI-native companies rely on Together AI to break performance barriers and accelerate time to market.

GroqCloud is an AI inference platform engineered to deliver exceptional speed and efficiency for modern AI applications. It enables developers to run high-demand models with low latency and predictable performance at scale. Unlike traditional GPU-based platforms, GroqCloud is powered by a custom-built LPU designed exclusively for inference workloads. The platform supports a wide range of generative AI use cases, including large language models, speech processing, and vision-based inference. Developers can prototype quickly using the free tier and move into production with flexible, pay-per-token pricing. GroqCloud integrates easily with standard frameworks and tools, reducing setup time. Its global deployment footprint ensures minimal latency through regional availability zones. Enterprise-grade security features include SOC 2, GDPR, and HIPAA compliance. Optional private tenancy supports sensitive and regulated workloads. GroqCloud makes high-speed AI inference accessible without unpredictable infrastructure costs.

Our team has developed the quickest AI accelerator, utilizing the most extensive processor available in the market, and have ensured its user-friendliness. With Cerebras, you can experience rapid training speeds, extremely low latency for inference, and an unprecedented time-to-solution that empowers you to reach your most daring AI objectives. Just how bold can these objectives be? We not only make it feasible but also convenient to train language models with billions or even trillions of parameters continuously, achieving nearly flawless scaling from a single CS-2 system to expansive Cerebras Wafer-Scale Clusters like Andromeda, which stands as one of the largest AI supercomputers ever constructed. This capability allows researchers and developers to push the boundaries of AI innovation like never before.