Vals AI Code Migration: leaderboard

Metric: Accuracy (%). Source: www.vals.ai. 56 models tracked.

Top models

#ModelScore
1GPT-6 (Max)67.74
2Claude Opus 5 (Max)57.47
3Claude Fable 5 (Max)55.06
4Claude Fable 5.1 (Max)54.61
5GPT-5.6 Sol (Max)52.92
6GPT-5.6 Terra (Max)47.8
7Claude Opus 4.8 (Max)47.25
8GPT-5.5 (xHigh)45.16
9Grok 4.6 (High)44.57
10GPT-5.6 Luna (Max)44.55
11Claude Sonnet 5 (Max)44.39
12GLM-5.3 (Max)44.22
13Claude Opus 4.7 (Max)43.88
14DeepSeek V4 Pro (0813) (Max)41.54
15Claude Sonnet 4.6 (Max)39.89

Interactive version: theaggregate.ai/benchmark?slug=vals-ai-code-migration · How It Works · Data refreshed daily, snapshot 2026-09-05.