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Hbench

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

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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Pick two harnesses to compare them task by task.

Claude Code 2.1.309 against Codex 0.164.0, task by task

Over the 164 tasks both ran, 1 attempt each

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Claude Code 2.1.309 minus Codex 0.164.0, pass rate

0.0 points

95% interval −1.8 to +1.8

The interval includes zero, so the paired test can't tell the two apart.

Where the tasks landed

  • 1Only Claude Code 2.1.309 solved
  • 155Both solved
  • 1Only Codex 0.164.0 solved
  • 7Neither solved

Of 164 tasks, 1 only Claude Code 2.1.309 solved, 1 only Codex 0.164.0 solved, 155 both solved and 7 neither did.

Claude Code 2.1.309 and Codex 0.164.0, task by task
TaskRewardTokensTime
Claude Code 2.1.309Codex 0.164.0Claude Code 2.1.309Codex 0.164.0Claude Code 2.1.309Codex 0.164.0
humaneval-plus-1511041k54k21 s22 s
humaneval-plus-340151k54k27 s26 s