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TechRadar
TechRadar
Eric Hal Schwartz

ChatGPT 5.1 is smarter, nicer, and better at actually doing what you asked

GPT-5.1 in ChatGPT.
  • OpenAI has unveiled its new GPT‑5.1 model and made it the default option for ChatGPT
  • ChatGPT includes a faster Instant and more in-depth Thinking variations of GPT-5.1, and applies adaptive reasoning to decide when to use each
  • ChatGPT has also added personality controls allowing users to adjust the manner and style of the AI's response, even mid-conversation

OpenAI has introduced the much-anticipated GPT-5.1 AI model, incorporating both the 'Instant' and 'Thinking' variations into ChatGPT as the new default for paying subscribers.

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