ChatGPT's new default model is more factual and better at personalization By Igor Bonifacic May 5, 2026 1:59 pm EST Hot on the heels of its recent GPT-5.5 release , OpenAI is updating ChatGPT's default model to GPT-5.5 Instant. …
… Last month, OpenAI enhanced ChatGPT and Codex with the release of GPT-5.5 Thinking and Pro , two models it calls “a new class of intelligence for real work.” You can learn more about the latest from OpenAI’s new default ChatGPT model here . …
… Media: https://twitter.com/ChatGPTapp/status/2051709103614083475 OpenAI will start rolling out GPT-5.5 Instant on Tuesday to “all ChatGPT users,” though GPT-5.3 Instant will be an option for three months until it’s “retired.” In the past, users have mourned the loss of older models, so this gives p… …
… Altman OpenAI claims ChatGPT’s new default model hallucinates way less Book publishers sue Meta over AI’s ‘word-for-word’ copying OpenAI is reportedly launching a phone for ChatGPT Microsoft gives up on Xbox Copilot AI Jay Peters May 5 Apple could let you pick a favorite AI model in iOS 27 Stevie B… …
… All ChatGPT models are being updated with memory sources, which will show users the past chats, files, and other context that ChatGPT used to generate a response. GPT-5.5 Instant is rolling out today to all ChatGPT users, and it is replacing GPT-5.3 Instant as the default model. …
… The updates signal Google’s push to turn its Gemini app into an all-purpose AI hub rather than a stand-alone chatbot and to make the AI assistant more competitive with apps like ChatGPT and Claude. …
… Once more people have a chance to put the model through its paces, we'll have a better idea of how it compares to Google's Nano Banana 2 , and where OpenAI can make additional improvements. ChatGPT A manga generated by ChatGPT about a cat enjoying a sunny day. …
… Altman OpenAI claims ChatGPT’s new default model hallucinates way less Book publishers sue Meta over AI’s ‘word-for-word’ copying OpenAI is reportedly launching a phone for ChatGPT Microsoft gives up on Xbox Copilot AI Jay Peters May 5 Apple could let you pick a favorite AI model in iOS 27 Stevie B… …
… Last April, OpenAI rolled back an update to its GPT-4o model after finding that it can be “overly flattering or agreeable.” The company has also attempted to address safety concerns by updating ChatGPT to better detect mental or emotional distress, adding parental controls, and allowing users to ad… …
