ChatGPT should feel “smarter and more accurate” starting today, according to OpenAI. That’s because the company is replacing ...

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

GPT-5.5 Instant is now the default ChatGPT model. It makes fewer things up, answers more concisely, and finally remembers ...

ChatGPT should also feel “smarter and more accurate” in general, OpenAI said. In addition, responses should also feel more ...

UPDATE: Aug. 7, 2025, 3:30 p.m. EDT GPT-5 is now available to use. We've updated this story with additional information on the rollout. The newest version of ChatGPT is here, and you can try it with ...

A new version of ChatGPT has arrived that OpenAI CEO Sam Altman promises will have Ph.D-level smarts. OpenAI on Thursday announced the release of GPT‑5, which it calls its "smartest, fastest and most ...

OpenAI makes GPT‑5.5 Instant ChatGPT’s default, cutting hallucinations and boosting personalization with memory sources.

At long last, GPT-5 has arrived — and it's free to all ChatGPT users. On Thursday, OpenAI launched what it describes as its smartest and fastest model yet during a livestream event. In a press ...

OpenAI is releasing its GPT-4.1 and GPT-4.1 mini AI models in ChatGPT, the company announced in a post on X Wednesday. The GPT-4.1 models should help software engineers who are using ChatGPT to write ...

Earlier this week, OpenAI released GPT-5.3 Instant, promising to make ChatGPT less cringe and more natural when using its most popular model. Now OpenAI is back with GPT-5.4 Thinking and Pro, which is ...

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