Leaderboard/Claude Opus 4.8

Claude Opus 4.8

by Anthropic · ID claude-opus-4.8 · Released 2026-05 · Proprietary

-ELO

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ELO Score

MMLU

HumanEval

Context Window

$5.00

Input Price

About Claude Opus 4.8

Anthropic's latest flagship model (May 28, 2026). 4x less likely to overlook code flaws than Opus 4.7. First model to complete every case on Super-Agent benchmark. Highest score ever on Legal Agent Benchmark. New dynamic workflows enable parallel subagents. Fast mode available at $10/$50 per million tokens.

Output Price

$25.00

License

Proprietary

Official Website

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