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weft · No library run 1

34.3Library score
Pass rate82.2%
Simplicity49.0
Problems $$4.05

Implementers get no library and write everything from scratch.

ImplementerPass rateSimplicityCostScore
DeepSeek V4.1 Flash · mini-SWE91.9%45.7$1.07
38.9
GLM 5.3 Flash · mini-SWE68.7%54.3$1.40
28.2
GPT-5.6 Luna · Codex86.2%47.1$1.58
35.8
ProblemDeepSeek V4.1 FlashGLM 5.3 FlashGPT-5.6 LunaMean

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