As of May 5, 2026, GPT-5.5 Instant is now the default model for all logged-in ChatGPT users worldwide, replacing GPT-5.3 Instant. The change is rolling out across web, mobile, and the API, meaning ...

On Thursday, OpenAI announced the launch of GPT-4o mini, a new, smaller version of its latest GPT-4o AI language model that will replace GPT-3.5 Turbo in ChatGPT, reports CNBC and Bloomberg. It will ...

The three are GPT-Realtime-2, a successor to the company’s existing realtime voice model with what OpenAI describes as GPT-5-class reasoning; GPT-Realtime-Translate, a live translation model with more ...

While ChatGPT has existed in various forms for some time, its true mainstream success began with the release of GPT-3 in 2020. Since then, ChatGPT has evolved significantly, both for better and worse.

ChatGPT's Latest Model Will Supposedly Give Less Annoying Answers ...

OpenAI has rolled out GPT‑5.5 Instant as ChatGPT’s default model, replacing GPT‑5.3 Instant for all users. Internal tests show it produces 52.5% fewer hallucinated claims in high‑stakes fields like ...

OnenAI rolls out GPT 5.5 Instant on Tuesday as a default for Plus and Pro users on the web. The company said the new model will have fewer hallucinated claims and will now show where its responses are ...

The new GPT-5.5 Instant model will replace GPT-3.5 Instant as the default model for ChatGPT ...

OpenAI’s GPT-5.5 Instant is now ChatGPT’s default model, promising fewer hallucinations, shorter answers, better memory controls, and clearer chats.