Multi-SWE-bench Java (MagentLess): leaderboard

The Java split of Multi-SWE-bench (ByteDance Seed, 2025): 128 human-verified issues from real Java repositories, which the agent resolves by editing the repository; a fix counts only when the project's tests pass. Scored as the percentage of issues resolved under MagentLess, the benchmark team's multilingual port of Agentless; higher is better.

Metric: Resolved rate (%). Source: multi-swe-bench.github.io. Saturation forecast: Estimated already saturated. 12 models tracked.

Top models

#ModelScoreOverall rank
1DeepSeek R122.66#467
2Gemini 2.5 Pro (Preview 03-25)21.88#234
3O1 (2024-12-17)21.09#310
4Claude 3.5 Sonnet (20241022)14.84#635
5Llama 4 Maverick14.84#1105
6Claude 3.7 Sonnet (20250219)14.06#399
7GPT-4o (2024-11-20)11.72#864
8Qwen 2.5 72B Instruct10.94#1093
9DeepSeek V37.03#705
10Doubao-1.5-Pro5.47#585
11O3 Mini (2025-01-31) (High)5.47#486 (O3 Mini (2025-01-31))

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

Interactive version: theaggregate.ai/benchmark?slug=multi-swe-bench-java-magentless · How It Works · Data refreshed daily, snapshot 2026-11-12.