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GPT 6 Sol medium vs Muse Wonder Full low

No clear quality winner: Muse Wonder Full low won 11, GPT 6 Sol medium won 5, 4 tied, 4 undecided; GPT 6 Sol medium leads on agent time: 1.4× faster; Muse Wonder Full low’s cost wasn’t recorded.

24 tasksData from

Stet score

GPT 6 Sol mediumcodex · medium reasoningRank 8 of 16

57.095% range 49.2–64.7

Muse Wonder Full lowmuse · low reasoningRank 1 of 16

72.495% range 60.4–83.315.4 points higher

A directional read: their 95% score ranges overlap.

Cost / task

GPT 6 Sol medium$3.01
Muse Wonder Full lownot recorded

Agent time / task

GPT 6 Sol medium15.4 min1.4× faster
Muse Wonder Full low21.6 min

Quality

Head-to-head matchups

GPT 6 Sol medium won5

Tied44 undecided

Muse Wonder Full low won11

Muse Wonder Full low’s win share 64%, 95% range 45–81%Ties are within judge noise.

Task by task

GPT 6 Sol medium solved 2 tasks that Muse Wonder Full low didn’t, and Muse Wonder Full low solved 2 that GPT 6 Sol medium didn’t. Both solved 10; neither solved 6.

GPT 6 Sol medium only 2

  • stet-6f84e978Passed tests
  • stet-commit-342d0ac0Equivalent to the merged fix

Muse Wonder Full low only 2

  • 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. 4 of the 24 tasks are left out because one of the two has no scored result on them.

All 20 compared tasks
Task by task
TaskGPT 6 Sol mediumMuse Wonder Full lowSolved by
stet-3169aefaPassed testsPassed testsBoth
stet-89dfbc27Passed testsPassed testsBoth
stet-b28f4fe7Passed testsPassed testsBoth
stet-232b50baPassed testsPassed testsBoth
stet-5276aa3fPassed testsPassed testsBoth
stet-commit-bbbbae09Passed testsPassed testsBoth
stet-66762b4cPassed testsEquivalent to the merged fixBoth
stet-15439c21Passed testsPassed testsBoth
stet-commit-5d766ddeEquivalent to the merged fixEquivalent to the merged fixBoth
stet-43493c52Passed testsPassed testsBoth
stet-6f84e978Passed testsFailedGPT 6 Sol medium only
stet-2450ca2dFailedPassed testsMuse Wonder Full low only
stet-commit-342d0ac0Equivalent to the merged fixFailedGPT 6 Sol medium only
stet-commit-60a0e6c2FailedFailedNeither
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 Sol mediumMuse Wonder Full low
Harnesscodexmuse
Reasoning effortmediumlow
Rank8 of 161 of 16
Stet score57.095% range 49.2–64.772.495% range 60.4–83.3
Solved14/2411 passed, 3 judged equivalent12/249 passed, 3 judged equivalent
Cost / task$3.01not recorded
Agent time / task15.4 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