C2pa

Summary: ChatGPT Images 2.5 in 30 Seconds OpenAI announced ChatGPT Images 2.5 on 8 September 2026. Sharper detail, more precise editing, faster generation. Generation latency is down by up to 50% compared with Images 2.0. Sketch is new: draw inside ChatGPT and use the drawing as the reference for the final image. Type @Sketch to open it. Also new: templates for popular formats, comments placed on the image itself for focused edits, and the option to share the prompt alongside the image. Rolling out to all ChatGPT, ChatGPT Work and Codex users, on every plan, across desktop, mobile and web. Two new API models: GPT-Image-2.5 Flare (the fast default) and GPT-Image-2.5 Sunburst (slower, more precise). OpenAI says more than 3 billion images a week are already created across ChatGPT Images and the GPT-Image models in the API. Whatever else Images 2.5 is, it is an update to one of the most heavily used products the company ships. ...

Summary: Claude's Watermark in 30 Seconds Claude models released on or after August 2, 2026 embed an imperceptible mark in the text they generate. Older models are being retrofitted. The mark lives in the text itself. It survives copy and paste, and can survive light editing. Files get a separate mechanism: .svg, .png and .jpg outputs carry signed provenance metadata following the C2PA standard. Coverage is broad: the API, Claude apps, Claude Code, Cowork, Claude Tag, plus access through AWS, Google Cloud and Microsoft Foundry, worldwide. A detected mark means the content may have been processed by Claude. The absence of a mark proves nothing about whether text was AI-generated. Detection tooling and technical documentation are not published yet. Today, no third party can actually verify a mark. Watermarking an image is easy. You nudge millions of pixel values by amounts no eye can catch, and you are done. Watermarking text is a different problem entirely. There are no pixels, only words, and you cannot change a word “slightly”. It is either that word or a different one. ...