–

weft · No library run 2

34.6Library score
Pass rate83.5%
Simplicity47.5
Problems $$4.48

Implementers get no library and write everything from scratch.

ImplementerPass rateSimplicityCostScore
DeepSeek V4.1 Flash · mini-SWE89.0%41.4$1.30
32.7
GLM 5.3 Flash · mini-SWE75.8%51.0$1.70
32.7
GPT-5.6 Luna · Codex85.8%50.0$1.48
38.3
ProblemDeepSeek V4.1 FlashGLM 5.3 FlashGPT-5.6 LunaMean

Click a problem to see how each solution's score is built.