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GLM 5.3 Flash high vs Grok 4.7 high

No clear quality winner: Grok 4.7 high won 16, GLM 5.3 Flash high won 3, 5 tied; GLM 5.3 Flash high leads on cost: 14.0× cheaper; Grok 4.7 high leads on agent time: 1.4× faster.

24 tasksData from

Stet score

GLM 5.3 Flash highcodex · high reasoningRank 15 of 16

29.095% range 19.9–39.3

Grok 4.7 highcursor · high reasoningRank 6 of 16

60.795% range 50.1–70.231.7 points higher

Their 95% score ranges don’t overlap.

Cost / task

GLM 5.3 Flash high$0.4114.0× cheaper
Grok 4.7 high$5.76

Agent time / task

GLM 5.3 Flash high26.7 min
Grok 4.7 high18.9 min1.4× faster

Quality

Head-to-head matchups

GLM 5.3 Flash high won3

Tied5

Grok 4.7 high won16

Grok 4.7 high’s win share 79%, 95% range 65–91%Ties are within judge noise.

Task by task

GLM 5.3 Flash high solved 0 tasks that Grok 4.7 high didn’t, and Grok 4.7 high solved 4 that GLM 5.3 Flash high didn’t. Both solved 9; neither solved 11.

GLM 5.3 Flash high only 0

Grok 4.7 high only 4

  • stet-commit-5d766ddeEquivalent to the merged fix
  • stet-6f84e978Passed tests
  • stet-2450ca2dPassed tests
  • stet-commit-f8ae1177Passed 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
TaskGLM 5.3 Flash highGrok 4.7 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 testsPassed testsBoth
stet-commit-5d766ddeFailedEquivalent to the merged fixGrok 4.7 high only
stet-43493c52FailedFailedNeither
stet-commit-f0caded9Passed testsEquivalent to the merged fixBoth
stet-6f84e978FailedPassed testsGrok 4.7 high only
stet-2450ca2dFailedPassed testsGrok 4.7 high only
stet-commit-342d0ac0FailedFailedNeither
stet-commit-f8ae1177FailedPassed testsGrok 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
MetricGLM 5.3 Flash highGrok 4.7 high
Harnesscodexcursor
Reasoning efforthighhigh
Rank15 of 166 of 16
Stet score29.095% range 19.9–39.360.795% range 50.1–70.2
Solved9/249 passed, 0 judged equivalent13/2411 passed, 2 judged equivalent
Cost / task$0.41$5.76
Agent time / task26.7 min18.9 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