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OpenAI has launched GPT-5.1, an replace to its GPT-5 mannequin, aiming to ship sooner responses, improved reasoning, and extra versatile conversational controls as the corporate works to refine its ChatGPT expertise for each shopper and enterprise customers.
The discharge consists of new Instantaneous and Considering variants designed to supply extra adaptive reasoning and a broader vary of personalization choices, the corporate stated in a weblog submit.
GPT-5.1 is out there throughout ChatGPT’s free and paid tiers, with enterprise and schooling clients receiving a quick early-access interval earlier than it turns into the default mannequin. OpenAI stated the fashions are additionally accessible by the API.
In a separate Substack post, OpenAI CEO for Purposes, Fidji Simo, stated these chat fashions are “skilled utilizing the identical stack as our reasoning fashions,” including that they “rating larger on factuality and sophisticated problem-solving than GPT-5, whereas additionally introducing a extra pure, conversational tone.”
