Claude Opus 5.5

anthropic · Proprietary

#3

Overall

1508.2

Score

1500.895% confidence interval1515.5

8,300 votesPublished 2026-10-15

Across categories

• #1Creative writing1,519 · 2026-10-15
• #2Chinese1,572 · 2026-10-15
• #2Instruction following1,518 · 2026-10-15
• #3Overall1,508 · 2026-10-15
• #6Coding1,548 · 2026-10-15
• #10Multi-turn1,501 · 2026-10-15
• #14Math1,502 · 2026-10-15

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