OpenAI just made GPT-5.5 Instant more fun to talk to, and users may actually notice

OpenAI has updated GPT-5.5 Instant, making ChatGPT's default model more conversational, better at advice, and easier to talk to during everyday interactions. The Latest Tech News, Delivered to Your In ...
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OpenAI’s GPT-5.5 Instant hallucinates 52% less and pulls from your past conversations — it’s now the default for every ChatGPT user

When what OpenAI describes as hundreds of millions of people opened ChatGPT in late May 2026, something had changed under the hood. OpenAI swapped the default model from GPT-5.3 Instant to GPT-5.5 ...

OpenAI is making GPT-5.5 Instant 'more fun' to talk to

OpenAI is rolling out improvements to GPT-5.5 Instant that will make it better at handling complex questions and make it more ...