[AINews] Claude Opus 5: Fable-level performance at Opus price (half Fable) ain't nobody beats Anthropic at distilling Fable! In a rare Friday release, Opus 5 took the headlines today. Athrough most of its official benchmarks have it technically beating Fable, the official messaging still says it “comes close”. This mostly reflects the difficulty of Evals - today’s AIE track drop - not reflecting “big model smell” that Anthropic obviously knows Fable retains but can’t measure. Fortunately, independent evaluations of Opus confirm the outperformance: And the improved efficiency story, beyond just