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Grok 4.7 high vs Muse Spark 1.3 high

Grok 4.7 high leads on quality: won 17, tied 6, lost 1 head to head; Muse Spark 1.3 high leads on cost and agent time: 57.5× cheaper and 1.4× faster.

24 tasksData from

Stet score

Grok 4.7 highcursor · high reasoningRank 6 of 16

60.795% range 50.1–70.228.8 points higher

Muse Spark 1.3 highmuse · high reasoningRank 14 of 16

31.995% range 23.5–40.6

Their 95% score ranges don’t overlap.

Cost / task

Grok 4.7 high$5.76
Muse Spark 1.3 high$0.1057.5× cheaper

Agent time / task

Grok 4.7 high18.9 min
Muse Spark 1.3 high13.2 min1.4× faster

Quality

Head-to-head matchups

Grok 4.7 high won17

Tied6

Muse Spark 1.3 high won1

Grok 4.7 high’s win share 82%, 95% range 70–92%Ties are within judge noise.

Task by task

Grok 4.7 high solved 4 tasks that Muse Spark 1.3 high didn’t, and Muse Spark 1.3 high solved 1 that Grok 4.7 high didn’t. Both solved 9; neither solved 10.

Grok 4.7 high only 4

  • stet-15439c21Passed tests
  • stet-commit-f0caded9Equivalent to the merged fix
  • stet-6f84e978Passed tests
  • stet-commit-f8ae1177Passed tests

Muse Spark 1.3 high only 1

  • stet-43493c52Passed tests

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.

All 24 compared tasks
Task by task
TaskGrok 4.7 highMuse Spark 1.3 highSolved 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 testsPassed testsBoth
stet-15439c21Passed testsFailedGrok 4.7 high only
stet-commit-5d766ddeEquivalent to the merged fixEquivalent to the merged fixBoth
stet-43493c52FailedPassed testsMuse Spark 1.3 high only
stet-commit-f0caded9Equivalent to the merged fixFailedGrok 4.7 high only
stet-6f84e978Passed testsFailedGrok 4.7 high only
stet-2450ca2dPassed testsEquivalent to the merged fixBoth
stet-commit-342d0ac0FailedFailedNeither
stet-commit-f8ae1177Passed testsFailedGrok 4.7 high only
stet-commit-60a0e6c2FailedFailedNeither
stet-commit-5e075641FailedFailedNeither
stet-commit-2826765eFailedFailedNeither
stet-commit-a8716b88FailedFailedNeither
stet-commit-e928166fFailedFailedNeither
stet-commit-30506f8eFailedFailedNeither
stet-commit-87814583FailedFailedNeither
stet-commit-d2ab0c25FailedFailedNeither
stet-commit-e41c2e2dFailedFailedNeither

Side by side

Side by side
MetricGrok 4.7 highMuse Spark 1.3 high
Harnesscursormuse
Reasoning efforthighhigh
Rank6 of 1614 of 16
Stet score60.795% range 50.1–70.231.995% range 23.5–40.6
Solved13/2411 passed, 2 judged equivalent10/248 passed, 2 judged equivalent
Cost / task$5.76$0.10
Agent time / task18.9 min13.2 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