Model

claude-sonnet-5.5

1 entry · 28 September 2026

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  • Benchmarks & progress 1

  1. Anthropic releases Claude Sonnet 5.5

    Priced the same as Sonnet 5, at $2 and $10 per million input and output tokens, but scoring 70.6% on Terminal-Bench 4.0 against Sonnet 5's 10.3%.

    AnthropicModels & capabilities · Benchmarks & progress