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Claude Opus 4.6 (Harness: Claude Code): benchmark results

Provider: Anthropic. Access: API.

Unified ELO 1863 ± 31, rank #91 of 2928 rated models, from 10 benchmark results.

Interactive version: theaggregate.ai/model?slug=claude-opus-4-6-harness-claude-code · How It Works · Data refreshed daily, snapshot 2026-09-23.

Built by Mikhail Doroshenko — AI researcher, co-author of Humanity’s Last Exam. Independent project; no affiliation with any AI lab.
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