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Muse control vs SWE-2 Max

SWE-2 Max leads on quality: 33.2 points higher; Muse control leads on agent time: 5.2× faster; SWE-2 Max’s cost wasn’t recorded.

24 tasksData from

Stet score

Muse controlRank 12 of 14

33.295% range 24.3–42.4

SWE-2 MaxRank 1 of 14

66.495% range 56.8–75.433.2 points higher

Their 95% score ranges don’t overlap.

Cost / task

Muse control$0.10
SWE-2 Maxnot recorded

Agent time / task

Muse control13.2 min5.2× faster
SWE-2 Max68.3 min

Task by task

Muse control solved 1 task that SWE-2 Max didn’t, and SWE-2 Max solved 7 that Muse control didn’t. Both solved 9; neither solved 7.

Muse control only 1

  • stet-43493c52Passed tests

SWE-2 Max only 7

  • stet-15439c21Equivalent to the merged fix
  • stet-commit-f0caded9Passed tests
  • stet-6f84e978Passed tests
  • stet-commit-342d0ac0Equivalent to the merged fix
  • stet-commit-60a0e6c2Passed tests
  • stet-commit-5e075641Passed tests
  • stet-commit-a8716b88Equivalent 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.

All 24 compared tasks
Task by task
TaskMuse controlSWE-2 MaxSolved 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-15439c21FailedEquivalent to the merged fixSWE-2 Max only
stet-66762b4cPassed testsPassed testsBoth
stet-commit-f0caded9FailedPassed testsSWE-2 Max only
stet-commit-5d766ddeEquivalent to the merged fixPassed testsBoth
stet-43493c52Passed testsFailedMuse control only
stet-6f84e978FailedPassed testsSWE-2 Max only
stet-commit-f8ae1177FailedFailedNeither
stet-2450ca2dEquivalent to the merged fixPassed testsBoth
stet-commit-342d0ac0FailedEquivalent to the merged fixSWE-2 Max only
stet-commit-60a0e6c2FailedPassed testsSWE-2 Max only
stet-commit-5e075641FailedPassed testsSWE-2 Max only
stet-commit-2826765eFailedFailedNeither
stet-commit-a8716b88FailedEquivalent to the merged fixSWE-2 Max only
stet-commit-30506f8eFailedFailedNeither
stet-commit-87814583FailedFailedNeither
stet-commit-d2ab0c25FailedFailedNeither
stet-commit-e41c2e2dFailedFailedNeither
stet-commit-e928166fFailedFailedNeither

Side by side

Side by side
MetricMuse controlSWE-2 Max
Rank12 of 141 of 14
Stet score33.295% range 24.3–42.466.495% range 56.8–75.4
Solved10/248 passed, 2 judged equivalent16/2413 passed, 3 judged equivalent
Passed review5/248/24
Matched merged change8/2413/24
Cost / task$0.10not recorded
How cost was recordedestimated from tokensnot recorded
Agent time / task13.2 min68.3 min
Ran inlocal DockerDaytona sandbox

Where each setup is the better choice

The leaderboard’s readings on groups of tasks. Each group holds fewer tasks than the overall standings, so treat these as leads to test on your repo.

Changes up to 150 lines

11 tasks

11 tasks whose merged change was 2–149 lines in 1–2 files. The 7 small fixes below are among them.

SWE-2 Max matched the merged change more often: 8 of 11 to Muse control’s 7.

Changes up to 150 lines
Muse controlSWE-2 Max
Matched merged change7/118/11
Passed review5/117/11
Cost / task$0.03not recorded
Agent time / task4.3 min22.1 min

Small fixes

7 tasks

7 tasks whose instructions start with “Fix”. Their merged changes were 4–29 lines in 1–2 files.

SWE-2 Max matched the merged change more often: 5 of 7 to Muse control’s 4.

Small fixes
Muse controlSWE-2 Max
Matched merged change4/75/7
Passed review4/75/7
Cost / task$0.03not recorded
Agent time / task4.3 min21.5 min

Larger changes

13 tasks

13 tasks whose merged change ran over 150 lines or more than 3 files: 113–1,420 lines in 2–19 files.

SWE-2 Max matched the merged change more often: 5 of 13 to Muse control’s 1.

Larger changes
Muse controlSWE-2 Max
Matched merged change1/135/13
Passed review0/131/13
Cost / task$0.16not recorded
Agent time / task20.8 min107.3 min

See which setup wins on your repo

Stet replays your merged PRs, scores quality above pass/fail, and delivers comparison reports through your agent.

Run it on your repo