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Guide · generated from live data

AI APIs

We track 19 products in this group. By our measured-attention ranking the most visible are Hugging Face Hub, OpenRouter, Mistral La Plateforme; 4 list a free tier. This is a popularity ordering, not a quality verdict - see methodology.
  1. 1
    Hugging Face HubHugging FaceOpen source

    The largest hub for open models, datasets and Spaces, plus Transformers.

    Popularity #2Trend 7d -38%From $9/mo Verified <24h★ 167KML platforms & hubs · Inference & hosting
  2. 2
    OpenRouterOpenRouter

    Unified API and marketplace that routes requests across hundreds of models and providers.

    Popularity #15Trend 7d +4%From — Inference & hosting · Model APIs
  3. 3
    Mistral La PlateformeMistral AI

    Mistral AI's API for its open and commercial models.

    Popularity #16Trend 7d -3%From Free Not verifiedModel APIs
  4. 4
    vLLMvLLM projectOpen source

    High-throughput, memory-efficient inference and serving engine for LLMs.

    Popularity #23Trend 7d +12%From — ★ 93KInference & hosting
  5. 5
    xAI APIxAI

    Developer API for Grok models.

    Popularity #24Trend 7d +17%From — Not verifiedModel APIs
  6. 6
    llama.cppggml.aiOpen source

    LLM inference in C/C++ with GGUF quantisation.

    Popularity #25Trend 7d +3%From — ★ 130KLocal LLM runtimes · Inference & hosting
  7. 7
    Cohere PlatformCohere

    Enterprise models for generation, embeddings and reranking, deployable privately.

    Popularity #28Trend 7d +6%From Free Not verifiedModel APIs · Orchestration & RAG
  8. 8
    OpenAI APIOpenAI

    OpenAI's developer platform: Responses API, Realtime, image, audio and embeddings.

    Popularity #30Trend 7d +12%From — Not verified★ 32KModel APIs
  9. 9
    Google Cloud TPUGoogle

    Google's Tensor Processing Units available on Google Cloud.

    Popularity #31Trend 7d +21%From — AI chips & accelerators · Inference & hosting
  10. 10
    GroqCloudGroq

    Low-latency inference on Groq LPUs.

    Popularity #32Trend 7d +12%From — Inference & hosting
  11. 11
    Cerebras InferenceCerebras

    High-throughput inference on Cerebras wafer-scale systems.

    Popularity #37Trend 7d -49%From — Inference & hosting
  12. 12
    Claude Developer PlatformAnthropic

    Anthropic's API for Claude models with tool use, prompt caching, batch and agent tooling.

    Popularity #39Trend 7d +19%From — Not verified★ 3.9KModel APIs
  13. 13
    Gemini API & AI StudioGoogle

    Google's developer API for Gemini, Imagen and Veo, with a free tier in AI Studio.

    Popularity #43Trend 7d +10%From Free Not verified★ 4.0KModel APIs
  14. 14
    GLMZ.ai (Zhipu AI)Open source

    Z.ai's open-weight GLM model family and API.

    Popularity #74Trend 7d -51%From — Open-weight models · Model APIs
  15. 15
    Amazon BedrockAmazon

    AWS's managed service for foundation models from multiple providers, plus agents and guardrails.

    Popularity #76Trend 7d +6%From — Model APIs · Inference & hosting
  16. 16
    Together AITogether AI

    Cloud for open-model inference, fine-tuning and GPU clusters.

    Popularity #84Trend 7d +6%From — Inference & hosting · ML platforms & hubs
  17. 17
    Fireworks AIFireworks AI

    Fast inference and fine-tuning platform for open models.

    Popularity #86Trend 7d +14%From — Inference & hosting
  18. 18
    Azure AI FoundryMicrosoft

    Microsoft's platform for building with OpenAI and other models on Azure.

    Popularity #117Trend 7d —From — Model APIs · Inference & hosting
  19. 19
    Vertex AIGoogle

    Google Cloud's ML and generative AI platform.

    Popularity #169Trend 7d —From — Model APIs · Inference & hosting · ML platforms & hubs