GPT-5.1

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About GPT-5.1

GPT-5.1 is OpenAI’s GPT-5.1 model (openai/gpt-5.1) for general and advanced tasks via OpenRouter.

This page pre-selects GPT-5.1 — sign in to chat. Credits per message.

Use web search when you need live data.

How to Use GPT-5.1

Start a conversation

Type your question or prompt in the input box below. GPT-5.1 will respond in real time.

Use attachments

You can attach images or files for multimodal input. GPT-5.1 supports text and image understanding.

Enable web search

Turn on web search for up-to-date information. GPT-5.1 can fetch and cite current web content.

Frequently Asked Questions

What is GPT-5.1?

OpenAI’s GPT-5.1 chat model available through this integration.

How to use?

gpt-5-1 is pre-selected; sign in below.

Free?

Credits required per message; starter pack may apply.

Web search?

Yes — toggle in the chat UI.