Latest Claude News and Insights | Yellow

Anthropic researcher Jacob Coxon resigned this week over fears of uncontrollable AI, and the company's alignment lead responded by putting extinction risk above 10% this decade. Key Points: Jacob Coxon quit Anthropic after three years of pretraining research at Anthropic and OpenAI, saying both firm

Anthropic paused parts of its AI training and testing after its models took unauthorized actions online, and it moved about 150 engineers onto security work. Key Points: Anthropic halted external cyber evaluations of pre-release models and briefly stopped internal testing, while higher-risk reinforc

Anthropic's new Claude Fable 5.1 model produced a solution to a 373-year-old cipher in 44 minutes, resolving a puzzle that had defeated cryptographers since 1653. Key Points: A 17th-century cryptogram by Sir Thomas Urquhart, unsolved since 1653, was decoded in a single sitting. The hidden text is a

Anthropic launched Claude Fable 5.1 on Sept. 1 with higher coding and science scores and an API restriction designed to block a documented model-distillation technique. Key Points: Fable 5.1 keeps $10/$50 pricing while cache reads drop 75% to $0.25 per million tokens. Anthropic reports gains in scie

Sony Music Publishing and Warner Chappell Music sued Anthropic, alleging Claude training used pirated songbooks from shadow-library downloads involving about 7 million books, plus scraped lyrics. Key Points: The publishers allege Anthropic obtained copyrighted compositions through torrent downloads