Anthropic's Claude Opus 5 costs well below Fable 5 while matching or beating it across most benchmarks Anthropic's Claude Opus 5 leads the Artificial Analysis Intelligence Index with 61 points, edging out Claude Fable 5 and GPT-5.6 Sol, while costing up to half as much as Fable 5 at lower reasoning tiers. The model scores highest in analytical quality and coding, according to Artificial Analysis. Anthropic's Claude Opus 5 leads the Artificial Analysis Intelligence Index with 61 points, edging out Claude Fable 5 and GPT-5.6 Sol. The model scores highest in analytical quality and coding, and costs up to half as much as Fable 5 at lower reasoning tiers. But the race at the top remains close. The article Anthropic's Claude Opus 5 costs well below Fable 5 while matching or beating it across most benchmarks https://the-decoder.com/anthropics-claude-opus-5-costs-well-below-fable-5-while-matching-or-beating-it-across-most-benchmarks/ appeared first on The Decoder https://the-decoder.com .