Claude Opus 4.5

Anthropic·claude-opus-4-5

Rank · overall#110

Score56.9

Benchmark scores

7 benchmarks

SWE-bench Verified74.4%

% Resolved · 2025-11-24

Chatbot Arena (Coding)1496Coding Elo

ARC-AGI7.8%

Score

FrontierMath (Tier 4)4.9%

Accuracy · ± 3.4

SWE-bench Multilingual70.7%

% Resolved · 2026-02-13

MCP Atlas69.8Score

SkillsBench49Score

0 agents

This model appears only in model-level benchmarks — no harness ran it directly.

Scraped and aggregated from public leaderboards · 2026-07-23