Deep Dive5 min read
Claude Opus 5 Delivers Near-Fable Intelligence at Half the Price
Anthropic shipped Claude Opus 5 — a model that approaches Fable 5 on coding and reasoning benchmarks while costing half as much. It sets new state-of-the-art on Frontier-Bench, triples the next-best score on ARC-AGI 3, and introduces an effort dial that lets developers trade tokens for speed.