Best Artificial Intelligence (AI) APIs for LLM Gateway

Find and compare the best Artificial Intelligence (AI) APIs for LLM Gateway in 2025

Use the comparison tool below to compare the top Artificial Intelligence (AI) APIs for LLM Gateway on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    Vertex AI Reviews

    Vertex AI

    Google

    Free ($300 in free credits)
    713 Ratings
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    Vertex AI offers a powerful suite of AI APIs that empower developers to seamlessly incorporate sophisticated machine learning and artificial intelligence features into their applications. These APIs provide straightforward access to pre-trained models, enabling organizations to enhance their systems with functionalities like natural language processing, image recognition, and predictive analytics. Designed with user-friendliness and versatility in mind, Vertex AI’s APIs support a wide range of programming languages and platforms. New users are welcomed with $300 in complimentary credits, giving them the opportunity to explore the available APIs and integrate AI features into their offerings. By leveraging these APIs, businesses can significantly boost their applications with state-of-the-art AI technology without the need to create models from the ground up.
  • 2
    Google AI Studio Reviews
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    Google AI Studio presents an extensive range of AI APIs designed to help companies seamlessly embed AI functionalities into their current applications. These APIs grant users access to robust AI services, including natural language processing, image recognition, and speech recognition, simplifying the process of integrating sophisticated AI features without requiring extensive technical knowledge. Developers can swiftly enhance their applications with AI-driven capabilities, improving user interaction and opening up new possibilities. Additionally, the platform prioritizes scalability and dependability, making it an ideal choice for businesses across various sectors and sizes.
  • 3
    ChatGPT Reviews
    ChatGPT by OpenAI is a versatile AI conversational platform that provides assistance in writing, learning, brainstorming, code generation, and problem-solving across a wide range of topics. Available for free with optional Plus and Pro subscription plans, it supports real-time text and voice interactions on web browsers and mobile apps. Users can leverage ChatGPT to create content, summarize meetings, debug code, analyze data, and even generate images using integrated tools like DALL·E 3. The platform is accessible via desktop and mobile devices and offers personalized workflows through custom GPTs and projects. Advanced plans unlock deeper research capabilities, extended limits, and access to cutting-edge AI models like GPT-4o and OpenAI o1 pro mode. ChatGPT integrates search capabilities for real-time information and enables collaboration through features like Canvas for project editing. It caters to students, professionals, hobbyists, and developers seeking efficient, AI-driven support. OpenAI continually updates ChatGPT with new tools and enhanced usability.
  • 4
    OpenAI Reviews
    OpenAI aims to guarantee that artificial general intelligence (AGI)—defined as highly autonomous systems excelling beyond human capabilities in most economically significant tasks—serves the interests of all humanity. While we intend to develop safe and advantageous AGI directly, we consider our mission successful if our efforts support others in achieving this goal. You can utilize our API for a variety of language-related tasks, including semantic search, summarization, sentiment analysis, content creation, translation, and beyond, all with just a few examples or by clearly stating your task in English. A straightforward integration provides you with access to our continuously advancing AI technology, allowing you to explore the API’s capabilities through these illustrative completions and discover numerous potential applications.
  • 5
    Mistral AI Reviews
    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.
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