Simon Willison·· 3 d ago
Claude Sonnet 5.5
Claude Sonnet 5.5
AI summary
Anthropic released Claude Sonnet 5.5, officially claiming over 30% faster operation and up to 30% lower cost for most work. Pricing matches Sonnet 5, but it outperforms Sonnet 5 on every benchmark.
Selection record
Threshold 76Media and individualsFirst 84Second 78
AdmittedSum of both 162 ≥ twice the threshold 152
- Source tier
- Media and individuals; this tier's threshold is 76
- Pre-filter
- passed：介绍Anthropic新模型性能与定价
- Why it was chosen
- The author tests Sonnet 5.5 against Opus 5.5 for coding and notes that it is now the claude.ai free-tier model.
- Same event
A model scores each item twice, independently, against one written standard, out of 100. An item is admitted only when the two scores add up to twice the threshold. The threshold is set per source tier.
Source: Simon Willison · simonwillison.net