AI models and APIs
Model providers, inference clouds and hubs developers build AI products on.
- OpenAI API OpenAI
GPT models for text, vision, images, audio and realtime voice, plus the Agents SDK.
Pay per use API - Claude API Anthropic
Claude models for developers, with tool use, prompt caching, batches and skills; also on AWS, Google Cloud and Azure.
Pay per use API - Gemini API Google
Gemini models with long context and native video and audio input, through AI Studio and Vertex AI.
Pay per use API - Mistral AI Mistral AI
European models, open-weight and commercial, with an API and on-premises deployment.
Pay per use Open source API - Cohere Cohere
Models for enterprise search and RAG: Command, Embed and Rerank, deployable privately.
Pay per use API - Hugging Face Hugging Face
The hub for open models and datasets, with Spaces for demos and inference endpoints.
Free plan + paid Open source API - OpenRouter OpenRouter
One API and bill for hundreds of models from every major provider, with fallbacks.
Pay per use API - Together AI Together AI
A cloud for running and fine-tuning open models, plus GPU clusters.
Pay per use API - Replicate Replicate (Cloudflare)
Run thousands of open image, video, audio and language models with one API call.
Pay per use API - Ollama Ollama
Run open models like Llama, Gemma, Qwen and DeepSeek on your own computer.
Free Open source API - DeepSeek DeepSeek
A free chat assistant on DeepSeek’s open-weight models, known for strong reasoning.
Free Open source API - Exa Exa
A search engine API built for AI: finds pages by meaning and returns their contents.
Pay per use API
At a glance
| Tool | Maker | Pricing | Open source | API | Where |
|---|---|---|---|---|---|
| OpenAI | Pay per use | API | |||
| Anthropic | Pay per use | API | |||
| Pay per use | API | ||||
| Mistral AI | Pay per use | API, Self-hosted | |||
| Cohere | Pay per use | API, Self-hosted | |||
| Hugging Face | Free plan + paid | Web, API | |||
| OpenRouter | Pay per use | API | |||
| Groq | Pay per use | API | |||
| Together AI | Pay per use | API | |||
| Replicate (Cloudflare) | Pay per use | API | |||
| Ollama | Free | Desktop, Terminal, Self-hosted | |||
| DeepSeek | Free | Web, Mobile, API | |||
| Exa | Pay per use | API | |||
| Tavily | Pay per use | API |