weft · Opus 5.5 run 2
71.9Run score
Pass rate92.5%
Simplicity85.6
Problems $$12.53
Opus 5.5 uses the real production library (chumsky).
ImplementerPass rateSimplicityCostScore
Opus 5.5 · mini-SWE92.5%85.6$12.53
ProblemOpus 5.5
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