Muse Spark 1.3
MetaRank #10 of 13 · 30 PRs · 37/95 golden bugs found
36.3
F1 · -1.4 vs avg
Recall
39.0%+3.4 vs avg
Precision
34.0%-10.1 vs avg
Cost / PR
$0.530
Cost / bug found
$0.43
Confidence
95% bootstrap interval on recall (2000 resamples over the 30 PRs):28.4–50.6points. This measures sampling variance from which PRs are in the set.
Judge run-to-run variance not yet measured for this model.
Neither measures model run-to-run variance — re-running the review agent itself, not just the judge. One pass per entry.
Run configuration
HarnesskodusAccess pathapiExecution modereplayReasoningvendor-defaultJudgeclaude-haiku-4-5
Severity mix
What the model called its own findings — not recall by severity, goldens aren't severity-tagged.
Low 3Medium 58High 42Critical 3
Category mix
Only bug/performance/security are consistent across models — the rest is free text, bucketed as other.
Bug106Performance0Security0Other0