# Mike Krieger turns Anthropic's Fable 5 launch into a product test

> Source: <https://runtimewire.com/article/mike-krieger-anthropic-fable-5-safety-fallbacks>
> Published: 2026-06-10 12:14:59+00:00

Mike Krieger (@mikeyk), Anthropic's chief product officer and the co founder of Instagram, used a thread on X to put a product test on Anthropic's June 9 Claude Fable 5 launch: the model can take longer delegated work, while Anthropic says its safety fallback triggers in less than 5% of sessions. Mike Krieger on X That is the point Anthropic needs to prove. Benchmark leadership gets attention. A model that product teams, developers and enterprises can hand real projects to without constantly ...