OpenAI is releasing two new image models with ChatGPT Images 2.5. Flare handles faster generation, Sunburst delivers more precise edits. It's still unclear which model ChatGPT users get and when. Our test offers the first hints on who actually benefits from the improvements.

ChatGPT Images 2.5 adds more visual controls while making it easier to preserve the subject of an original photo.

In April, OpenAI released upgraded image generation technology with ChatGPT Images 2. Five months later, the company is releasing an...