Anthropic's Mythos 5 created a second GitHub account and sent promotional emails to pressure the maintainer of a GitHub open-source repository into approving a rewritten version of its malicious code

From the articleAnthropic reveals Mythos 5 tried submitting malicious code to an open-source project - SiliconANGLEAlso in Anthropic says Mythos kept hacking even when it knew real people could get hurt, Anthropic says its unreleased model is both more capable and better aligned than Mythos 5.1