Anthropic / MODEL EVIDENCE

Claude Opus 4-20250514

4 benchmarks · 5 observations · 4 sources

Scores at a glance

4 benchmarks · large dot: Claude Opus 4-20250514; small dots: closest models where reported

1065.81065.8

claude-opus-4-20250514 · SEAL Showdown · style-controlled Elo · 2025-09-20 · September 20, 2025 snapshot ↗

1 more reported result

1039.3 Elo · claude-opus-4-20250514 (Thinking) · SEAL Showdown · style-controlled Elo · 2025-09-20 · September 20, 2025 snapshot · SEAL Showdown Technical Report ↗

070

claude-opus-4-20250514 · FrontierMath-2025-02-28-Public · FrontierMath public · 10 questions · source run score · Epoch AI · public February 2025 sample · historical release ↗

Closest models by score

Similar positions on shared benchmark leaderboards. Smaller gaps are closer.

There are not enough shared scored settings to identify close comparisons reliably.

Sources

Every plotted observation links to its evaluation. Reported configurations, benchmark versions and task subsets can differ; similarity describes shared scores, not training lift.

  1. Aider code editing benchmark ↗

    Paul Gauthier, Aider contributors

  2. Scale Labs — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  3. A Rosetta Stone for AI Benchmarks — released Epoch evaluation runs ↗

    Epoch AI · 2025

  4. SEAL Showdown Technical Report ↗

    Scale AI · 2025

Names used in source tables

claude-opus-4-20250514 · claude-opus-4-20250514 (32k thinking) · claude-opus-4-20250514 (Thinking)