这是 Simon Willison 在 2026 年 9 月 8 日发布的帖子链接:/2026/Sep/8/。
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Introducing ChatGPT Images 2.5:https://openai.com/index/introducing-chatgpt-images-2-5/ . OpenAI's image generation models are apparently used "more than 3 billion images across ChatGPT Images and the GPT‑Image models in the API". This latest release improves their instruction-following ability across multiple turns, responds faster, and "is better at preserving the subjects in your reference photos".
There are two new model IDs in the API: gpt-image-2.5-sunburst and gpt-image-2.5-flare . Based on this:https://developers.openai.com/api/docs/guides/image-generation#overview I think Sunburst is the stronger option:
Choose Sunburst for workflows where editing precision matters most, and Flare for fast, high-quality everyday image generation.
I upgraded:https://github.com/simonw/tools/pull/333 my openai_image.py:https://tools.simonwillison.net/python/#openai_imagepy CLI tool to support passing in one or more reference images, so now this works:
This is the original image:https://static.simonwillison.net/static/2026/openai-agent-usage.webp, and here's what I got back from that prompt to "add a raccoon scientist studying the chart thoughtfully":
This is a link post by Simon Willison, posted on 8th September 2026:/2026/Sep/8/.
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