weft · Opus 5.5 run 2
34.0Library score
Pass rate78.7%
Simplicity52.1
Problems $$10.42
Library $$12.16
The library
weft · designed by Opus 5.5 (mini-SWE)6,976 source lines
ImplementerPass rateSimplicityCostScore
DeepSeek V4.1 Flash · mini-SWE86.2%46.8$2.03
GLM 5.3 Flash · mini-SWE74.4%58.8$5.55
GPT-5.6 Luna · Codex75.4%50.9$2.85
ProblemDeepSeek V4.1 FlashGLM 5.3 FlashGPT-5.6 LunaMean
Click a problem to see how each solution's score is built.