"OpenAI updated ChatGPT with its highly-anticipated GPT-5 model over the summer, which was supposed to streamline the user experience by making the chatbot automatically pick the right model based on the input query. However, people immediately missed the ability to personalize the experience to their needs -- and this GPT 5.1 release promises to bring that choice back. On Wednesday, OpenAI upgraded its GPT-5 series of models in ChatGPT to include two brand-new models: GPT-5 Instant and GPT-5.1 Thinking."
"On Wednesday, OpenAI upgraded its GPT-5 series of models in ChatGPT to include two brand-new models: GPT-5 Instant and GPT-5.1 Thinking. These models aim to make using ChatGPT a more seamless experience, featuring what OpenAI said are "smarter" and "warmer" conversations. This release was also accompanied by new customization tools and additional personalities for the chatbot. For the full roundup of new features, keep reading below."
OpenAI updated the GPT-5 series by introducing GPT-5 Instant and GPT-5.1 Thinking to improve conversational quality and personalization. The new models aim to deliver smarter, warmer interactions while restoring user choice over model selection after automatic routing. GPT-5.1 Instant is optimized for common daily prompts with improved instruction-following and a more conversational, playful tone. The update includes additional customization tools and personalities to let users tailor ChatGPT behavior. The changes prioritize balancing responsiveness, conversational warmth, and better understanding of user requests across a wider set of everyday tasks.
Read at ZDNET
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