CWE-bench v2

Defensive vulnerability patching on 250 audit-and-patch tasks spanning 185 weakness types, 100 public and 150 held out.

ModelsModels with a result.11
Top resultBest result on this benchmark.67.1%Claude Opus 5.5
Top-3 spreadPoints from first to third.2.1 pts
YearYear of release.2026

Result and price

10 of 11 results

Results

11 results
#ModelResultThe score from the source.
06Grok 4.754.7%
11GLM-5.342.0%