OpenAI: GPT-5.1
OpenAI: GPT-5.1 is a text model from Openai, with a 400K-token context window, priced at $1.25 in · $10.00 out / 1M. On Fully Informed you can add OpenAI: GPT-5.1 to a multi-model panel, where it answers independently, debates the other models and gets cross-checked for blind spots.
Vendor OpenaiType Text400K contextPrice $1.25 in · $10.00 out / 1M
Put OpenAI: GPT-5.1 on the panel →
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...
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- What is OpenAI: GPT-5.1?
- GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...
- What is the context window of OpenAI: GPT-5.1?
- OpenAI: GPT-5.1 supports a 400K-token context window.
- How much does OpenAI: GPT-5.1 cost?
- OpenAI: GPT-5.1 is priced at $1.25 in · $10.00 out / 1M via OpenRouter.
- What are alternatives to OpenAI: GPT-5.1?
- Comparable text models include OpenAI: GPT-3.5 Turbo, OpenAI: GPT-3.5 Turbo (older v0613), Anthropic: Claude Fable Latest, Anthropic Claude Haiku Latest.
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