GPT 6 Luna max vs Muse Wonder Full low
No clear quality winner: Muse Wonder Full low won 14, GPT 6 Luna max won 4, 2 tied, 4 undecided; Muse Wonder Full low leads on agent time: 2.8× faster; Muse Wonder Full low’s cost wasn’t recorded.
Stet score
GPT 6 Luna maxcodex · max reasoningRank 9 of 16
49.295% range 39.6–58.4
Muse Wonder Full lowmuse · low reasoningRank 1 of 16
72.495% range 60.4–83.323.2 points higher
Quality
Head-to-head matchups
GPT 6 Luna max won4
Tied24 undecided
Muse Wonder Full low won14
Task by task
GPT 6 Luna max solved 1 task that Muse Wonder Full low didn’t, and Muse Wonder Full low solved 3 that GPT 6 Luna max didn’t. Both solved 9; neither solved 7.
GPT 6 Luna max only 1
stet-commit-342d0ac0Equivalent to the merged fix
Muse Wonder Full low only 3
stet-15439c21Passed testsstet-2450ca2dPassed testsstet-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 | GPT 6 Luna max | Muse Wonder Full low | Solved by |
|---|---|---|---|
stet-3169aefa | Passed tests | Passed tests | Both |
stet-89dfbc27 | Passed tests | Passed tests | Both |
stet-b28f4fe7 | Passed tests | Passed tests | Both |
stet-232b50ba | Passed tests | Passed tests | Both |
stet-5276aa3f | Passed tests | Passed tests | Both |
stet-commit-bbbbae09 | Passed tests | Passed tests | Both |
stet-66762b4c | Equivalent to the merged fix | Equivalent to the merged fix | Both |
stet-15439c21 | Failed | Passed tests | Muse Wonder Full low only |
stet-commit-5d766dde | Equivalent to the merged fix | Equivalent to the merged fix | Both |
stet-43493c52 | Passed tests | Passed tests | Both |
stet-6f84e978 | Failed | Failed | Neither |
stet-2450ca2d | Failed | Passed tests | Muse Wonder Full low only |
stet-commit-342d0ac0 | Equivalent to the merged fix | Failed | GPT 6 Luna max only |
stet-commit-60a0e6c2 | Failed | Failed | Neither |
stet-commit-5e075641 | Failed | Failed | Neither |
stet-commit-a8716b88 | Failed | Failed | Neither |
stet-commit-e928166f | Failed | Equivalent to the merged fix | Muse Wonder Full low only |
stet-commit-30506f8e | Failed | Failed | Neither |
stet-commit-d2ab0c25 | Failed | Failed | Neither |
stet-commit-e41c2e2d | Failed | Failed | Neither |
Side by side
| Metric | GPT 6 Luna max | Muse Wonder Full low |
|---|---|---|
| Harness | codex | muse |
| Reasoning effort | max | low |
| Rank | 9 of 16 | 1 of 16 |
| Stet score | 49.295% range 39.6–58.4 | 72.495% range 60.4–83.3 |
| Solved | 12/248 passed, 4 judged equivalent | 12/249 passed, 3 judged equivalent |
| Cost / task | $0.37 | not recorded |
| Agent time / task | 59.7 min | 21.6 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 repoAbout 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.