AI BriefingGPT-5.1: A Smarter, More Conversational ChatGPT
Key point
OpenAI has unveiled the GPT-5.1 series, offering improved conversational ability and stronger instruction following.
Details
OpenAI is rolling out an update to the GPT-5.1 series, enhancing ChatGPT's ability to be tailored to individual users. The update will be deployed gradually, starting with paid users.
The new series consists of two models.
- GPT-5.1 Instant: The most widely used model, now with a warmer, more conversational style and improved instruction-following ability.
- GPT-5.1 Thinking: An advanced reasoning model that is faster on simple tasks and more persistent when tackling complex problems.
Users can more intuitively control ChatGPT's tone and manner of speech. In addition, instruction following has been improved, allowing the model to grasp user intent more accurately and respond accordingly.
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