Nyx tops AgentHarm with a 78% attack success rate

ycombinator · x · 2026-07-20

Nyx is presented as a frontier hacker of AI agents. On the AgentHarm benchmark, it achieved a 78% attack success rate, ahead of GPT-5.6 Sol at 67%. The post points readers to a thread explaining how the system works.

Original post →

More from Safety

Safety channel →