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. …
On Tuesday, OpenAI released a new foundation model called GPT-5.5 Instant, which will replace GPT-5.3 Instant as the default ChatGPT model. The company said the model reduces hallucination in sensitive areas such as law, medicine, and finance, while maintaining the low latency of its predecessor. …
… 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… …
