It's been framed as part of a broader model lineup refresh timed with “the previously announced retirement” of GPT-5 (Instant and Thinking) within ChatGPT.

OpenAI has brought GPT-4o back to ChatGPT after users complained about the large language model’s removal. OpenAI Chief Executive Officer Sam Altman announced the move in a Tuesday post on X. He also ...

OpenAI has sent out emails notifying API customers that its chatgpt-4o-latest model will be retired from the developer platform in mid-February 2026,. Access to the model is scheduled to end on ...

OpenAI has released an update for ChatGPT's GPT-5.2 Instant model that improves response style and tone, delivering clearer answers with key information up front.