Tihu · Pelican Bench

Claude Sonnet 5.5

Anthropic · Model release:

AI reference score 5.79 ± 0.77 Last 4 weekly runs · 12 images MonitoringUpdated every Sunday · 2026-10-25Top tiers of one model

Latest samples

SunLatest

Claude Sonnet 5.5 · medium · 2026-10-25 · #2 · 6.46Claude Sonnet 5.5 · medium · 2026-10-25 · #3 · 5.50Claude Sonnet 5.5 · medium · 2026-10-25 · #1 · 4.85

Score trend

medium Normal

2026-10-08 · 6.302026-10-09 · 6.302026-10-10 · 6.302026-10-11 · 5.892026-10-12 · 5.892026-10-13 · 5.892026-10-14 · 5.892026-10-15 · 5.892026-10-16 · 5.892026-10-17 · 5.892026-10-18 · 5.362026-10-19 · 5.362026-10-20 · 5.362026-10-21 · 5.362026-10-23 · 5.362026-10-24 · 5.362026-10-25 · 5.602026-10-26 · 5.60

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

medium

Sun

Claude Sonnet 5.5 · medium · 2026-10-18 · #2 · 6.40Claude Sonnet 5.5 · medium · 2026-10-18 · #3 · 4.91Claude Sonnet 5.5 · medium · 2026-10-18 · #1 · 4.76

Sun

Claude Sonnet 5.5 · medium · 2026-10-11 · #2 · 6.70Claude Sonnet 5.5 · medium · 2026-10-11 · #1 · 5.70Claude Sonnet 5.5 · medium · 2026-10-11 · #3 · 5.28

Versions by score

  1. Claude Sonnet 5.5
    Claude Sonnet 5.5 · medium
    medium 5.79Last 4 weekly runs · 12 images

Scores by criterion

Pelican likeness
7.58
Bicycle correctness
4.92
Riding pose
3.83
Composition
6.75
Obvious errors (higher is better)
4.67

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 ↗