Code Migration (Vals Index v2 subset)
Code · 2026-08-13
Vals Index v2's Code Migration score uses a fixed subset of 50 of the standalone board's 120 CLI tasks plus all 10 COBOL tasks, weighted 75% CLI and 25% COBOL. The subset was selected to approximate full-board rankings; its score is not relabeled as the full evaluation.
Top models (higher is better)
| Model | Score |
|---|---|
| Gemini 4 Argon | 69.5 |
| GPT-6 Astra | 68.5 |
| GPT-6.1 Sol | 63.3 |
| Muse Wonder | 62.0 |
| Muse Wonder Full | 60.3 |
| GPT-6 Sol | 56.9 |
| Claude Opus 5 | 56.7 |
| GPT-5.6 Sol | 52.4 |
| DeepSeek V4.1 Flash 1017 | 52.2 |
| Muse Spark 1.3 | 48.3 |
| GPT-5.6 Terra | 48.2 |
| Opus 4.8 | 46.9 |
| DeepSeek V4.1 Flash | 46.9 |
| Hy4 Preview | 46.8 |
| Claude Haiku 5.5 | 45.9 |
| GPT-5.6 Luna | 44.8 |
| Grok 4.6 | 44.6 |
| GPT-6 Luna | 44.4 |
| Sonnet 5 | 44.1 |
| GLM-5.3 | 43.2 |
| Grok 4.7 | 43.2 |
| DeepSeek-V4-Flash-0731 | 42.3 |
| MiMo-V2.6-Pro | 42.3 |
| DeepSeek V4 Pro 0813 | 41.5 |
| MiMo-V2.6-Flash | 40.4 |
| Step 5 Preview | 39.5 |
| Grok 4.5 | 38.4 |
| Gemini 3.8 Flash | 31.6 |
| Ember-1 | 30.5 |
| Muse Spark 1.2 | 29.4 |
| Gemini 3.7 Flash | 29.0 |
| Gemini 3.5 Flash | 27.1 |
| DeepSeek-V4-Pro | 26.2 |
| Qwen3.8-Max | 23.2 |
| Mistral Large 4 Preview | 22.8 |
| Muse Spark Open | 21.2 |
| MiniMax M3 | 20.9 |
| MiMo-V2.5-Pro | 20.4 |
| GLM-5.3 Flash | 20.2 |
| Gemini 3.1 Pro Preview | 17.9 |