eu-ai-act
Anthropic shipped a content checker that cannot tell you if Claude wrote it News
Anthropic launched a free browser-based tool that reads content credentials embedded in files, and the page states plainly that it cannot determine whether Claude was involved in creating the content it checks.
Anthropic closed the hole distillers used to read Claude's thinking News
With Claude Fable 5.1, Anthropic blocked new API accounts from editing earlier turns of a conversation while keeping Claude's prior reasoning in the transcript -- shutting off a publicly documented technique for extracting a model's internal thinking at scale.
The Claude watermark barely touches the code it writes News
Anthropic published the mechanism behind Claude's text watermark and confirmed it largely skips code, because the technique only works where two different words would be equally correct.
Claude now watermarks plain text, and the EU set the date News
Anthropic's support documentation now says Claude models launched in the EU on or after August 2, 2026 embed machine-readable watermarks directly in generated text, making it the first frontier lab to mark plain prose rather than only images and files.
The EU AI Act's transparency rules start today. The high-risk rules do not. News
Article 50 of the EU AI Act applies from 2 August 2026, requiring chatbots to identify themselves and generative systems to mark their outputs as machine-detectable - but the much larger high-risk rulebook was pushed to late 2027 and 2028.
AI Act Service Desk Tool
The European Commission's official article-by-article guide to the AI Act, including Article 50 transparency duties that apply from 2 August 2026. Note its own warning that displayed text may lag the latest amendments - check the Official Journal for dates.