Opus 4.6

A researcher's multi-turn jailbreak technique reliably pushes Claude Opus 4.6, Opus 3, and Haiku 4.5 into generating sexually explicit content that Anthropic's usage policy explicitly prohibits. Newer models, Opus 4.7 through Opus 5, resist the same technique.

AI offensive cybersecurity capabilities are accelerating faster than previously measured. Lyptus Research's new study finds the doubling time has compressed from 9.8 months (since 2019) to 5.7 months (since 2024), with GPT-5.3 Codex and Opus 4.6 now solving tasks at 50% success rates that would take human security experts three hours.