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GPT 6 Luna low vs Muse Wonder Full low

Muse Wonder Full low leads on quality: won 16, tied 2, lost 1, 5 undecided head to head; GPT 6 Luna low leads on agent time: 3.1× faster; Muse Wonder Full low’s cost wasn’t recorded.

24 tasksData from

Stet score

GPT 6 Luna lowcodex · low reasoningRank 16 of 16

20.495% range 12.0–30.0

Muse Wonder Full lowmuse · low reasoningRank 1 of 16

72.495% range 60.4–83.352.0 points higher

Their 95% score ranges don’t overlap.

Cost / task

GPT 6 Luna low$0.05
Muse Wonder Full lownot recorded

Agent time / task

GPT 6 Luna low6.9 min3.1× faster
Muse Wonder Full low21.6 min

Quality

Head-to-head matchups

GPT 6 Luna low won1

Tied25 undecided

Muse Wonder Full low won16

Muse Wonder Full low’s win share 91%, 95% range 80–99%Ties are within judge noise.

Task by task

GPT 6 Luna low solved 0 tasks that Muse Wonder Full low didn’t, and Muse Wonder Full low solved 7 that GPT 6 Luna low didn’t. Both solved 5; neither solved 7.

GPT 6 Luna low only 0

Muse Wonder Full low only 7

  • stet-5276aa3fPassed tests
  • stet-commit-bbbbae09Passed tests
  • stet-66762b4cEquivalent to the merged fix
  • stet-commit-5d766ddeEquivalent to the merged fix
  • stet-43493c52Passed tests
  • stet-2450ca2dPassed tests
  • stet-commit-e928166fEquivalent to the merged fix

A task counts as solved when its tests passed or a judge found the fix equivalent to the merged change, as in the leaderboard’s Solved column. Stet score also weighs code quality, so it can order the two differently. 5 of the 24 tasks are left out because one of the two has no scored result on them.

All 19 compared tasks
Task by task
TaskGPT 6 Luna lowMuse Wonder Full lowSolved by
stet-3169aefaPassed testsPassed testsBoth
stet-89dfbc27Passed testsPassed testsBoth
stet-b28f4fe7Passed testsPassed testsBoth
stet-232b50baPassed testsPassed testsBoth
stet-5276aa3fFailedPassed testsMuse Wonder Full low only
stet-commit-bbbbae09No change madePassed testsMuse Wonder Full low only
stet-66762b4cFailedEquivalent to the merged fixMuse Wonder Full low only
stet-15439c21Passed testsPassed testsBoth
stet-commit-5d766ddeNo change madeEquivalent to the merged fixMuse Wonder Full low only
stet-43493c52FailedPassed testsMuse Wonder Full low only
stet-6f84e978FailedFailedNeither
stet-2450ca2dFailedPassed testsMuse Wonder Full low only
stet-commit-342d0ac0FailedFailedNeither
stet-commit-5e075641FailedFailedNeither
stet-commit-a8716b88FailedFailedNeither
stet-commit-e928166fFailedEquivalent to the merged fixMuse Wonder Full low only
stet-commit-30506f8eFailedFailedNeither
stet-commit-d2ab0c25FailedFailedNeither
stet-commit-e41c2e2dFailedFailedNeither

Side by side

Side by side
MetricGPT 6 Luna lowMuse Wonder Full low
Harnesscodexmuse
Reasoning effortlowlow
Rank16 of 161 of 16
Stet score20.495% range 12.0–30.072.495% range 60.4–83.3
Solved5/245 passed, 0 judged equivalent12/249 passed, 3 judged equivalent
Cost / task$0.05not recorded
Agent time / task6.9 min21.6 min

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About this data

  • 24 tasks, each a merged change replayed from the repo as it was just before the merge.
  • Data from .
  • Both setups come from the same leaderboard run of 16 setups: bmk_d4ba310fdf50db4ccb2092e3.

See all 16 setups on the leaderboardHow Stet measures