Tihu · Pelican Bench

Claude Sonnet 5.5

Anthropic · Model release:

AI reference score 5.84 ± 0.66 Last 4 weekly runs · 12 images MonitoringUpdated every Sunday · 2026-10-25Top tiers of one model

Latest samples

SunLatest

Claude Sonnet 5.5 · low · 2026-10-25 · #1 · 6.38Claude Sonnet 5.5 · low · 2026-10-25 · #3 · 5.54Claude Sonnet 5.5 · low · 2026-10-25 · #2 · 5.20

Score trend

low Normal

2026-10-08 · 6.552026-10-09 · 6.552026-10-10 · 6.552026-10-11 · 5.682026-10-12 · 5.682026-10-13 · 5.682026-10-14 · 5.682026-10-15 · 5.682026-10-16 · 5.682026-10-17 · 5.682026-10-18 · 5.412026-10-19 · 5.412026-10-20 · 5.412026-10-21 · 5.412026-10-23 · 5.412026-10-24 · 5.412026-10-25 · 5.702026-10-26 · 5.70

18 records in the last 30 days

2026-10-26 · Normal2026-10-25 · Normal2026-10-24 · Normal2026-10-23 · Normal2026-10-21 · Normal2026-10-20 · Normal2026-10-19 · Normal2026-10-18 · Collecting earlier results2026-10-17 · Normal2026-10-16 · Normal2026-10-15 · Normal2026-10-14 · Normal2026-10-13 · Normal2026-10-12 · Normal2026-10-11 · Collecting earlier results2026-10-10 · Normal2026-10-09 · Normal2026-10-08 · Collecting earlier results

Earlier samples

low

Sun

Claude Sonnet 5.5 · low · 2026-10-18 · #3 · 5.89Claude Sonnet 5.5 · low · 2026-10-18 · #1 · 5.26Claude Sonnet 5.5 · low · 2026-10-18 · #2 · 5.08

Sun

Claude Sonnet 5.5 · low · 2026-10-11 · #2 · 5.90Claude Sonnet 5.5 · low · 2026-10-11 · #3 · 5.84Claude Sonnet 5.5 · low · 2026-10-11 · #1 · 5.31

Versions by score

  1. Claude Sonnet 5.5
    Claude Sonnet 5.5 · low
    low 5.84Last 4 weekly runs · 12 images

Scores by criterion

Pelican likeness
7.08
Bicycle correctness
4.92
Riding pose
5.08
Composition
6.42
Obvious errors (higher is better)
4.83

Release notes

Original (Chinese)官方文档标注 Released September 28, 2026；当天在 Claude.ai、Claude API（claude-sonnet-5-5）及 AWS/Google Cloud/Microsoft Foundry 可用。

· View release source ↗