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 ...

Here’s what OpenAI has to say about GPT-5: Today we’re introducing GPT‑5⁠, OpenAI’s smartest, fastest, most useful model yet, and a major step towards placing intelligence at the center of every ...

GPT-5.5 lands seven weeks after the release of GPT-5.4, which arrived on March 5. OpenAI says the newest model “understands what you’re trying to do faster” and that it can “carry more of the work ...

On Thursday, OpenAI announced GPT-5 and three variants—GPT-5 Pro, GPT-5 mini, and GPT-5 nano—what the company calls its “best AI system yet,” with availability for some of the models across all ...