"We're changing Fable 5's safeguards for frontier LLM development to make them visible," an Anthropic spokesperson said.

Fable 5 is a nerfed version of Anthropic's Mythos model. Turns out it was actually too nerfed, and the company is sorry.

As AI becomes the public face of business, organizations must validate performance, security, and cost efficiency at scale.

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Birgitta Böckeler, Distinguished Engineer at ...