Haiku 5.5 low leads on quality, cost and agent time: 10.3 points higher, 1.6× cheaper and 2.7× faster.
Stet score
GLM 5.3 FlashRank 13 of 14
31.095% range 21.5–41.5
Haiku 5.5 lowRank 10 of 14
41.395% range 34.8–47.810.3 points higher
GLM 5.3 Flash solved 0 tasks that Haiku 5.5 low didn’t, and Haiku 5.5 low solved 2 that GLM 5.3 Flash didn’t. Both solved 9; neither solved 13.
stet-commit-5d766ddeEquivalent to the merged fixstet-43493c52Passed testsA 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.
| Task | GLM 5.3 Flash | Haiku 5.5 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-15439c21 | Passed tests | Equivalent to the merged fix | Both |
stet-66762b4c | Passed tests | Equivalent to the merged fix | Both |
stet-commit-f0caded9 | Passed tests | Equivalent to the merged fix | Both |
stet-commit-5d766dde | Failed | Equivalent to the merged fix | Haiku 5.5 low only |
stet-43493c52 | Failed | Passed tests | Haiku 5.5 low only |
stet-6f84e978 | Failed | Failed | Neither |
stet-commit-f8ae1177 | Failed | Failed | Neither |
stet-2450ca2d | Failed | Failed | Neither |
stet-commit-342d0ac0 | Failed | Failed | Neither |
stet-commit-60a0e6c2 | Failed | Failed | Neither |
stet-commit-5e075641 | Failed | Failed | Neither |
stet-commit-2826765e | Failed | Failed | Neither |
stet-commit-a8716b88 | Failed | Failed | Neither |
stet-commit-30506f8e | Failed | Failed | Neither |
stet-commit-87814583 | Failed | Failed | Neither |
stet-commit-d2ab0c25 | Failed | Failed | Neither |
stet-commit-e41c2e2d | Failed | Failed | Neither |
stet-commit-e928166f | Failed | Failed | Neither |
| Metric | GLM 5.3 Flash | Haiku 5.5 low |
|---|---|---|
| Rank | 13 of 14 | 10 of 14 |
| Stet score | 31.095% range 21.5–41.5 | 41.395% range 34.8–47.8 |
| Solved | 9/249 passed, 0 judged equivalent | 11/247 passed, 4 judged equivalent |
| Passed review | 6/231 not recorded | 8/24 |
| Matched merged change | 6/24 | 9/24 |
| Cost / task | $0.41 | $0.25 |
| How cost was recorded | estimated from tokens | reported by its harness |
| Agent time / task | 26.7 min | 9.9 min |
| Ran in | Daytona sandbox | Daytona sandbox |
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.
11 tasks
11 tasks whose merged change was 2–149 lines in 1–2 files. The 7 small fixes below are among them.
Haiku 5.5 low matched the merged change more often: 7 of 11 to GLM 5.3 Flash’s 6.
| GLM 5.3 Flash | Haiku 5.5 low | |
|---|---|---|
| Matched merged change | 6/11 | 7/11 |
| Passed review | 6/101 not recorded | 7/11 |
| Cost / task | $0.06 | $0.02 |
| Agent time / task | 10.2 min | 2.8 min |
7 tasks
7 tasks whose instructions start with “Fix”. Their merged changes were 4–29 lines in 1–2 files.
Both matched the merged change on 5 of 7.
| GLM 5.3 Flash | Haiku 5.5 low | |
|---|---|---|
| Matched merged change | 5/7 | 5/7 |
| Passed review | 5/7 | 5/7 |
| Cost / task | $0.05 | $0.01 |
| Agent time / task | 9.4 min | 2.7 min |
13 tasks
13 tasks whose merged change ran over 150 lines or more than 3 files: 113–1,420 lines in 2–19 files.
Haiku 5.5 low matched the merged change more often: 2 of 13 to GLM 5.3 Flash’s 0.
| GLM 5.3 Flash | Haiku 5.5 low | |
|---|---|---|
| Matched merged change | 0/13 | 2/13 |
| Passed review | 0/13 | 1/13 |
| Cost / task | $0.70 | $0.45 |
| Agent time / task | 40.7 min | 15.9 min |
Stet replays your merged PRs, scores quality above pass/fail, and delivers comparison reports through your agent.
Run it on your repocompare-n24-r3b.