CL4SE - Patch Correctness Assessment: leaderboard

Metric: Accuracy (%) of classifying 2,274 plausible Defects4J patches (1,105 correct, 1,169 overfitting) as correct or overfitting; zero-shot; temperature 0; CL4SE (context learning for software engineering); higher is better. Source: arxiv.org. Saturation forecast: Around January 2027. 5 models tracked.

Top models

#ModelScoreOverall rank
1Qwen 3 Max76.72#201
2GPT-OSS-120B68.85#330
3Claude 3.5 Haiku (20241022)64.51#574

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=cl4se-patch-correctness-assessment · How It Works · Data refreshed daily, snapshot 2026-10-11.