Will's Blog: OpenAI rolls out GPT-5.1 Instant, "warmer" and "more conversational", and GPT-5.1 Thinking, "easier to understand and faster", starting with paid ChatGPT users (OpenAI)

12 November 2025

OpenAI rolls out GPT-5.1 Instant, "warmer" and "more conversational", and GPT-5.1 Thinking, "easier to understand and faster", starting with paid ChatGPT users (OpenAI)

OpenAI:
OpenAI rolls out GPT-5.1 Instant, “warmer” and “more conversational”, and GPT-5.1 Thinking, “easier to understand and faster”, starting with paid ChatGPT users — We're upgrading GPT‑5 while making it easier to customize ChatGPT.

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