![OpenRouter Chat Completions [OpenAI Compatible] sample output](https://v3b.fal.media/files/b/kangaroo/tll4XzKQE4bopYdZOX1q2_c3e4d28642484971932f8dbe3523af5a.jpg)
OpenRouter Chat Completions [OpenAI Compatible]
openrouter/router/openai/v1/chat/completions
commercial
Overview
OpenAI-compatible chat completions API. Drop-in replacement for the OpenAI API — use any OpenAI SDK or client to access Claude, Gemini, Grok, DeepSeek, Llama, Qwen, Mistral, and all OpenAI models (GPT-5, GPT-4o, o3) through fal. Powered by OpenRouter.
Frequently asked
What is OpenRouter Chat Completions [OpenAI Compatible]?
OpenAI-compatible chat completions API. Drop-in replacement for the OpenAI API — use any OpenAI SDK or client to access Claude, Gemini, Grok, DeepSeek, Llama, Qwen, Mistral, and all OpenAI models (GPT-5, GPT-4o, o3) through fal. Powered by OpenRouter.
How can I use OpenRouter Chat Completions [OpenAI Compatible]?
OpenRouter Chat Completions [OpenAI Compatible] runs as a hosted API endpoint on fal.ai (openrouter/router/openai/v1/chat/completions), offered under a commercial license. No infrastructure needed — call it per generation.