Claude Opus 5 (High) — benchmark results

Provider: Anthropic. Released 2026-07-24. Access: API.

Unified ELO 2466 ± 83, rank #2 of 1841 rated models, from 9 benchmark results.

Strongest benchmark results

BenchmarkScoreMetricPercentile
ARC-AGI-330.16Accuracy (%)100
Chatbot Arena (Document)1520Elo100
Multi-turn Debate (Lechmazur)1763.4Bradley-Terry Rating100
Chatbot Arena (Code)1673Elo99
Chatbot Arena (Text)1495Elo98.9
ARC-AGI-197.5Accuracy (%)98.8
ARC-AGI-288.33Accuracy (%)98.2
Chatbot Arena (Vision)1299Arena Score97.1
AutomationBench23Pass Rate (%)66.7

Interactive version: theaggregate.ai/model?slug=claude-opus-5-high · How It Works · Data refreshed daily, snapshot 2026-07-27.