TestExplora (White Box): leaderboard
Metric: Fail-to-pass rate (%): share of pull requests for which at least one generated test fails before the fix and passes after it; the full set of 2,389 test-generation tasks; White Box setting, where the model also sees their implementation and dependencies; single model call with DocAgent-written documentation as the oracle; mean of three runs; higher is better. Source: arxiv.org. Saturation forecast: Around 2029. 6 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | GPT-5 Mini | 7.54 | #176 |
| 2 | O4 Mini | 5.92 | #172 |
| 3 | O3 Mini | 4.19 | #266 |
| 4 | Gemini 2.5 Pro | 2.59 | #145 |
| 5 | GPT-4o | 1.79 | #333 |
| 6 | Qwen 3 Coder 30B A3B Instruct | 1.39 | #399 |
No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.
Interactive version: theaggregate.ai/benchmark?slug=testexplora-white-box · How It Works · Data refreshed daily, snapshot 2026-10-11.