Claude Opus 5.5 vs Sonnet 5.5: Twice the Price, but How Big Is the Gap?
Claude Opus 5.5 costs twice as much as Sonnet 5.5, but the benchmark gap is small. Sonnet wins on speed and cost; Opus pulls ahead on hard reasoning and system design.
Claude Opus 5.5 costs twice as much as Sonnet 5.5, but the benchmark gap is small. Sonnet wins on speed and cost; Opus pulls ahead on hard reasoning and system design.