weft · Fable 5.1 run 3

38.5Library score
Pass rate81.9%
Simplicity55.5
Problems $$13.14
Library $$16.21
The library
weft · designed by Fable 5.1 (mini-SWE)5,339 source lines
ImplementerPass rateSimplicityCostScore
DeepSeek V4.1 Flash · mini-SWE90.2%52.2$2.35
43.8
GLM 5.3 Flash · mini-SWE70.9%62.6$7.91
34.1
GPT-5.6 Luna · Codex84.6%51.7$2.89
37.7
ProblemDeepSeek V4.1 FlashGLM 5.3 FlashGPT-5.6 LunaMean
bag-rules36.426.029.830.8ninja-build30.48.530.023.0mail-addresses41.750.159.750.5property-paths68.133.244.448.6formula-ledger35.836.033.535.1record-spans83.670.755.570.0block-events45.571.147.454.7command-errors25.435.926.229.2route-tags70.929.063.654.5template-audit39.951.638.643.4grammar-inventory32.430.624.929.3grammar-trace52.10.822.925.3nesting-guard23.09.523.318.6unicode-spans27.624.727.226.5