OpenRouter: OpenAI: GPT-5.1 Chat

⚠ This model is no longer free. See free alternatives.
openrouter/openai-gpt-5.1-chat
Released Nov 13, 2025 · 400K context ·
chat
Chat Compare

Playground

Test OpenAI: GPT-5.1 Chat directly in your browser. Enter your API key to start chatting.

Model: OpenAI: GPT-5.1 Chat
Get Key

🔒 Your key is sent directly to OpenRouter.

Ready to chat with OpenAI: GPT-5.1 Chat.