Anthropic's Fable 5.1 drops prices and crushes benchmarks
Anthropic just released Claude Fable 5.1 alongside its restricted research sibling Mythos 5.1, bringing massive performance leaps in long-running coding and scientific research. Typical workloads are roughly 25% cheaper—with up to 45% savings on agentic tasks—while enterprise data retention options and overzealous safety filters both get major fixes.