The Archive

Simon Willison documents using GPT-6 Astra and ChatGPT Images 2.5 to generate Fabergé egg artwork and convert images to Blender 3D files via prompting.

OpenAI releases ChatGPT Images 2.5 with two API variants (Sunburst, Flare) offering improved multi-turn instruction-following, faster generation, and better subject preservation in reference images.

I used ChatGPT and its Sketch tool to make this AI-generated image of a cat. OpenAI announced ChatGPT Images 2.5 on Tuesday and is adding a new way to tell ChatGPT what you want it to make an image of: by drawing a doodle. With a new feature called Sketch, you can just draw something right inside ChatGPT and then tell ChatGPT how you want it to make an image based on that sketch. You can activate the Sketch feature by typing @Sketch into your chat box, and a window will pop up where you can make your drawing. I briefly tested it, and it successfully turned my bad doodle of a cat that I drew w...

OpenAI releases ChatGPT Images 2.5, an image generation feature enabling sketch-to-image and reference-guided personalization.