SWE Refactor Bench: Can Coding Agents Complete a Long-Horizon, Whole-Repository Stack Migration?

Tests whether coding agents can complete long-horizon, whole-repository stack migrations while preserving the original program's behavior.

ModelsModels with a result.1
Top resultBest result on this benchmark.—
Top-3 spreadPoints from first to third.—
YearYear of release.2026

Results

1 result
#ModelResultThe score from the source.