SWE-Bench ProMax - Java (Mini-SWE-Agent): leaderboard

The 26 Java instances of SWE-Bench ProMax (2026), expert-curated refactoring tasks from real commits that are resolved when the patch passes every test of the reviewed suite. Resolve rate in percent with the mini-swe-agent scaffold; higher is better.

Metric: Resolve rate (%, Pass@1 on the 26 Java instances; 170 repository-level refactoring instances from real commits (average 11.4 modified files), resolved when the patch passes every test of the manually reviewed suite; mini-swe-agent scaffold, step limit 300, cost limit 10 US dollars per instance). Source: arxiv.org. Saturation forecast: Around April 2028. 6 models tracked.

Top models

#ModelScoreOverall rank
1Kimi K2.523.1#256
2Claude Sonnet 4.619.2#161
3GPT-5.215.4#176
4Gemini 3 Pro15.4#137
5GLM-57.7#260

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=swe-bench-promax-java-mini-swe-agent · How It Works · Data refreshed daily, snapshot 2026-11-13.