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DeepSeek V4.1 Flash max vs Grok 4.7 high

No clear quality winner: Grok 4.7 high won 14, DeepSeek V4.1 Flash max won 6, 4 tied; DeepSeek V4.1 Flash max leads on cost: 11.7× cheaper; Grok 4.7 high leads on agent time: 2.6× faster.

24 tasksData from

Stet score

DeepSeek V4.1 Flash maxdeepseek-harness · max reasoningRank 11 of 16

45.995% range 35.5–56.1

Grok 4.7 highcursor · high reasoningRank 6 of 16

60.795% range 50.1–70.214.8 points higher

A directional read: their 95% score ranges overlap.

Cost / task

DeepSeek V4.1 Flash max$0.4911.7× cheaperfrom 23/24 tasks
Grok 4.7 high$5.76

Agent time / task

DeepSeek V4.1 Flash max49.3 min
Grok 4.7 high18.9 min2.6× faster

Quality

Head-to-head matchups

DeepSeek V4.1 Flash max won6

Tied4

Grok 4.7 high won14

Grok 4.7 high’s win share 68%, 95% range 51–84%Ties are within judge noise.

Task by task

DeepSeek V4.1 Flash max solved 2 tasks that Grok 4.7 high didn’t, and Grok 4.7 high solved 3 that DeepSeek V4.1 Flash max didn’t. Both solved 10; neither solved 9.

DeepSeek V4.1 Flash max only 2

  • stet-43493c52Passed tests
  • stet-commit-342d0ac0Equivalent to the merged fix

Grok 4.7 high only 3

  • 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
TaskDeepSeek V4.1 Flash maxGrok 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-5d766ddePassed testsEquivalent to the merged fixBoth
stet-43493c52Passed testsFailedDeepSeek V4.1 Flash max only
stet-commit-f0caded9Passed testsEquivalent to the merged fixBoth
stet-6f84e978FailedPassed testsGrok 4.7 high only
stet-2450ca2dFailedPassed testsGrok 4.7 high only
stet-commit-342d0ac0Equivalent to the merged fixFailedDeepSeek V4.1 Flash max only
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
MetricDeepSeek V4.1 Flash maxGrok 4.7 high
Harnessdeepseek-harnesscursor
Reasoning effortmaxhigh
Rank11 of 166 of 16
Stet score45.995% range 35.5–56.160.795% range 50.1–70.2
Solved12/2411 passed, 1 judged equivalent13/2411 passed, 2 judged equivalent
Cost / task$0.49from 23/24 tasks$5.76
Agent time / task49.3 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