OpenAI API

Alternatives to OpenAI API

Ranked by category and the features they share with OpenAI API.

1. 
   Gemini API Google

   Gemini models with long context and native video and audio input, through AI Studio and Vertex AI.

   Pay per use API

   reasoningembeddingsvoicellm api OpenAI API vs Gemini API
2. 
   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

   reasoningagentsllm api OpenAI API vs Claude API
3. 
   Cohere Cohere

   Models for enterprise search and RAG: Command, Embed and Rerank, deployable privately.

   Pay per use API

   embeddingsllm api OpenAI API vs Cohere
4. 
   Mistral AI Mistral AI

   European models, open-weight and commercial, with an API and on-premises deployment.

   Pay per use Open source API

   embeddingsllm api OpenAI API vs Mistral AI
5. 
   OpenRouter OpenRouter

   One API and bill for hundreds of models from every major provider, with fallbacks.

   Pay per use API

   llm api OpenAI API vs OpenRouter
6. 
   Groq Groq

   Very fast inference for open models on Groq’s own LPU chips.

   Pay per use API

   llm api OpenAI API vs Groq
7. 
   Together AI Together AI

   A cloud for running and fine-tuning open models, plus GPU clusters.

   Pay per use API

   llm api OpenAI API vs Together AI
8. 
   Replicate Replicate (Cloudflare)

   Run thousands of open image, video, audio and language models with one API call.

   Pay per use API

   image generation OpenAI API vs Replicate
9. 
   Hugging Face Hugging Face

   The hub for open models and datasets, with Spaces for demos and inference endpoints.

   Free plan + paid Open source API

   OpenAI API vs Hugging Face
10. 
    Ollama Ollama

    Run open models like Llama, Gemma, Qwen and DeepSeek on your own computer.

    Free Open source API

    OpenAI API vs Ollama