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 Prompt and Pondering variants designed to supply extra adaptive reasoning and a broader vary of personalization choices, the corporate mentioned in a weblog publish.
GPT-5.1 is on the market throughout ChatGPT’s free and paid tiers, with enterprise and training clients receiving a short early-access interval earlier than it turns into the default mannequin. OpenAI mentioned the fashions are additionally accessible by the API.
In a separate Substack publish, OpenAI CEO for Purposes, Fidji Simo, mentioned these chat fashions are “skilled utilizing the identical stack as our reasoning fashions,” including that they “rating increased on factuality and complicated problem-solving than GPT-5, whereas additionally introducing a extra pure, conversational tone.”
