OpenAI rolls out ChatGPT update with GPT 5.1 models – what’s new for the users

OpenAI on Thursday, 13 November, rolled out its new GPT 5.1 models for ChatGPT, introducing two upgraded versions for users: GPT-5.1 Instant and GPT-5.1 Thinking. In its blog post, the Sam Altman-led company said these versions are “not only smarter …