# Fable
Claude Fable 5.1: The Scary Part Isn't the Benchmark
Anthropic shipped Claude Fable 5.1. It found a crash a team couldn't explain in five years and ran 38 hours unattended. Here's what stood out — and why the model isn't the whole story.
Anthropic shipped Claude Fable 5.1. It found a crash a team couldn't explain in five years and ran 38 hours unattended. Here's what stood out — and why the model isn't the whole story.