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Hbench

humaneval-plus@1.0 (unreviewed) on GPT-6 Luna

164 tasks, 1 attempt, open network. Updated 24 Oct 2026.

164 tasks from humaneval-plus@1.0 on ghcr.io. Nobody has reviewed this dataset, so a score here says nothing about the benchmark it's named after.

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Ranking

Pass rate by harness, higher is better

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Δ vs Claude Code, pts
Claude Code2.1.30992.7%95% interval 88.4–96.3Claude Code 2.1.309 is the reference.
Codex0.164.088.4%95% interval 83.5–93.3Codex 0.164.0 minus Claude Code 2.1.309: −4.3 points, 95% interval −9.1 to 0.0, over 164 tasks both ran; too close to call.

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Every harness on this board, in its order
HarnessRankLast published
Claude Code2.1.3091–224 Oct 2026run #29
Codex0.164.01–224 Oct 2026run #32