Aktualności28 września 2026 Claude Opus 5.5 Matches Fable 5.1 at 40% Lower Cost
Anthropic shipped Claude Opus 5.5 — 66.4% on Terminal-Bench 4.0 against 55.8% for Fable 5.1, at 40% below Opus 5 pricing. Landing the same day as OpenAI’s models, it moved the contest onto price.
