Tag: cyber-evals

All the articles with the tag "cyber-evals".

• Opus 5 Is Allowed to Find Bugs Now. It Went From 2 Working Exploits to 99.

  25 Jul, 2026

  Anthropic shipped Claude Opus 5 yesterday at Opus 4.8 prices and unblocked source-code vulnerability discovery for every user. The system card also shows exploitation capability jumping roughly 50x over Opus 4.8, with UK AISI solving an enterprise cyber range 8 times in 10.