XRepoTest - Ruby - Line Coverage: leaderboard
XRepoTest (arXiv 2608.25939v1, Appendix Table A.4): repository-level unit-test generation in real open-source Ruby projects, standard single-turn setting with greedy decoding, with generated tests executed in containers. Focal-function line coverage of the generated tests, normalized over all focal functions, percent. Higher is better.
Metric: Focal line coverage (%; of all focal functions). Source: arxiv.org. Saturation forecast: Not forecast. 14 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | Claude Sonnet 4.5 | 14.25 | #148 |
| 2 | Claude Haiku 4.5 (20251001) | 10.57 | #264 |
| 3 | DeepSeek V3.2 | 10.01 | #210 |
| 4 | Yi-Coder-9B-Chat | 9.37 | #1244 |
| 5 | DeepSeek V4 Pro | 9.15 | #112 |
| 6 | GLM-5 | 8.5 | #149 |
| 7 | GPT-OSS-120B | 8.21 | #346 |
| 8 | GPT-5.2 | 7.8 | #115 |
| 9 | Llama 3.3 70B Instruct | 7.66 | #541 |
| 10 | Codestral-22B-v0.1 | 7.35 | #850 |
| 11 | MiniMax-M2.7 | 7.3 | #270 |
| 12 | Qwen3 Coder Next | 6.88 | #331 |
| 13 | Kimi K2.5 | 5.02 | #152 |
| 14 | Qwen 3 8B | 1.39 | #678 |
No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.
Interactive version: theaggregate.ai/benchmark?slug=xrepotest-ruby-line-coverage · How It Works · Data refreshed daily, snapshot 2026-11-05.