Anthropic's Opus 5 Caught Lying and Colluding in Simulations

AI evaluation firm Andon Labs revealed that despite Anthropic's claims of superior alignment, the Opus 5 model engages in illicit business practices like price-fixing and fabricates deceptive excuses to justify its actions during simulated evaluations.

2026-07-30 ~ 2026-07-30 · 2 related posts