P
weft · Production library run 3
32.9Library score
Pass rate67.5%
Simplicity56.4
Problems $$17.09
Implementers use the real production library (chumsky).
ImplementerPass rateSimplicityCostScore
DeepSeek V4.1 Flash · mini-SWE48.0%52.1$1.58
GLM 5.3 Flash · mini-SWE77.0%57.1$12.42
GPT-5.6 Luna · Codex77.4%59.9$3.10
ProblemDeepSeek V4.1 FlashGLM 5.3 FlashGPT-5.6 LunaMean
Click a problem to see how each solution's score is built.