Aider Refactoring Benchmark — leaderboard
Aider benchmark for model performance on code refactoring tasks.
Metric: Percent completed correctly (self-reported). Source: benchmarklist.com. Status: saturation imminent. 10 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude 3.5 Sonnet | 92.1 |
| 2 | O1 Preview | 75.3 |
| 3 | Claude 3 Opus | 72.3 |
| 4 | GPT-4o | 62.9 |
| 5 | GPT-4 | 50.6 |
| 6 | Gemini 1.5 Pro | 49.4 |
| 7 | O1 Mini | 44.9 |
| 8 | GPT-4 Turbo | 34.1 |
| 9 | DeepSeek V2.5 | 31.5 |
Interactive version: theaggregate.ai/benchmark?slug=aider-refactoring-benchmark · How the rankings work · Data refreshed daily, snapshot 2026-07-22.