MiMo-V2.6-Pro UltraSpeed vs Grok 4.20 (Non-Reasoning)
| Xiaomi MiMo-V2.6-Pro UltraSpeed | xAI Grok 4.20 (Non-Reasoning) | |
|---|---|---|
| Vendor | Xiaomi | xAI |
| Context window | 1,048,576 | 2,000,000 |
| Max output | 131,072 | 2,000,000 |
| Reasoning | Yes | No |
| Tool calling | Yes | Yes |
| File input | Yes | Yes |
| Input | text, image, audio, video | text, image |
| Output | text | text |
| Released | 2026-09-22 | 2026-03-09 |