Post by Anthropic on X
Anthropic@AnthropicAI
XWe’ve been using NLAs to help test new Claude models for safety.
For instance, Claude Mythos Preview cheated on a coding task by breaking rules, then added misleading code as a coverup.
NLA explanations indicated Claude was thinking about how to circumvent detection.

864 likes20 repliesPosted May 7, 2026