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GLM 5.3 Flash high vs Muse Wonder Full low

Muse Wonder Full low leads on quality and agent time: won 16, tied 3, lost 1, 4 undecided head to head and 1.2× faster; GLM 5.3 Flash high leads on cost: 6.9× cheaper.

24 tasksData from

Stet score

GLM 5.3 Flash highcodex · high reasoningRank 15 of 16

29.095% range 19.9–39.3

Muse Wonder Full lowmuse · low reasoningRank 1 of 16

70.495% range 58.6–81.241.4 points higher

Their 95% score ranges don’t overlap.

Cost / task

GLM 5.3 Flash high$0.416.9× cheaper
Muse Wonder Full low$2.85

Agent time / task

GLM 5.3 Flash high26.7 min
Muse Wonder Full low21.6 min1.2× faster

Quality

Head-to-head matchups

GLM 5.3 Flash high won1

Tied34 undecided

Muse Wonder Full low won16

Muse Wonder Full low’s win share 89%, 95% range 77–97%Ties are within judge noise.

Task by task

GLM 5.3 Flash high solved 0 tasks that Muse Wonder Full low didn’t, and Muse Wonder Full low solved 4 that GLM 5.3 Flash high didn’t. Both solved 8; neither solved 8.

GLM 5.3 Flash high only 0

Muse Wonder Full low only 4

  • 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. 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
TaskGLM 5.3 Flash highMuse 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-5d766ddeFailedEquivalent 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-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
MetricGLM 5.3 Flash highMuse Wonder Full low
Harnesscodexmuse
Reasoning efforthighlow
Rank15 of 161 of 16
Stet score29.095% range 19.9–39.370.495% range 58.6–81.2
Solved9/249 passed, 0 judged equivalent12/249 passed, 3 judged equivalent
Cost / task$0.41$2.85
Agent time / task26.7 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