Vals AI Code Migration — leaderboard
Metric: Accuracy (%). Source: www.vals.ai. 30 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Fable 5 | 55.06 |
| 2 | GPT-5.6 Sol | 52.92 |
| 3 | Claude Opus 4.8 | 47.25 |
| 4 | GPT-5.5 | 45.16 |
| 5 | GPT-5.6 Luna | 44.55 |
| 6 | Claude Sonnet 5 | 44.39 |
| 7 | Claude Opus 4.7 | 43.88 |
| 8 | Claude Sonnet 4.6 | 39.89 |
| 9 | GLM-5.2 | 37.87 |
| 10 | Grok 4.5 | 36.6 |
| 11 | GPT-5.6 Terra | 36.45 |
| 12 | GPT-5.4 (2026-03-05) | 34.98 |
| 13 | Muse Spark 1.1 | 31.11 |
| 14 | Kimi K2.6 | 27.77 |
| 15 | Gemini 3.5 Flash | 26.75 |
Interactive version: theaggregate.ai/benchmark?slug=vals-ai-code-migration · How the rankings work · Data refreshed daily, snapshot 2026-07-22.