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