SWE-Mutation - Test Repair - Mini-Swe-Agent: leaderboard

Detection of realistic mutation defects by repaired or newly generated tests. Paper v1 Tables 2-3 preserve both tasks and Mini-Swe-Agent/Claude Code scaffolds. RDR is Relative Detection Rate, not patch success; the default mutant generator is Claude Sonnet 4. This series reports Relative Detection Rate (%). Source: https://arxiv.org/html/2605.22175v1.

Metric: Relative Detection Rate (%). Source: arxiv.org. Saturation forecast: Estimated already saturated. 7 models tracked.

Top models

#ModelScoreOverall rank
1Claude Sonnet 4.579.3#148
2Kimi K2 090574.58#292
3GLM-4.671.26#265
4Qwen 3 Coder 480B A35B Instruct68.99#314
5DeepSeek V3.166.41#275
6Claude 3.7 Sonnet62.58#259
7GPT-OSS-120B36.31#346

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=swe-mutation-test-repair-mini-swe-agent · How It Works · Data refreshed daily, snapshot 2026-11-05.