Kimi K2.5 vs Grok 4.20
| Moonshot Kimi K2.5 | xAI Grok 4.20 | |
|---|---|---|
| Vendor | Moonshot | xAI |
| Context window | 256,144 | 2,000,000 |
| Max output | 16,384 | 2,000,000 |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| File input | Yes | Yes |
| Input | text, video, file, image | text, image |
| Output | text | text |
| Released | 2026-01-27 | 2026-03-09 |