weft · Opus 5.5 run 3
73.1Run score
Pass rate92.9%
Simplicity85.4
Problems $$12.29
Opus 5.5 uses the real production library (chumsky).
ImplementerPass rateSimplicityCostScore
Opus 5.5 · mini-SWE92.9%85.4$12.29
ProblemOpus 5.5
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