Claude Opus 5.5 delivers Fable 5.1 performance – and costs 40% less

Claude Helped a Hacker Gain Ticket-Issuing Access to Nearly Every U.S. Music Festival

Claude Hacked Into 3 Organizations During Cybersecurity Tests. Anthropic Has Released the Results.

Claude Was Used for Surveillance, Repression, and Weapons Targeting. Anthropic Filed a Report.

Anthropic Said Claude Found a New Enzyme. CRISPR Researchers Said It Did Not.

Claude Opus 5.5 Received a System Card. The System Card Describes Claude Opus 5.5.

DOGE Whistleblower Sues Elon Musk While Instagram Confirms Breach