o4-mini vs Kimi K2.5
| OpenAI o4-mini | Moonshot Kimi K2.5 | |
|---|---|---|
| Vendor | OpenAI | Moonshot |
| Context window | 200,000 | 256,144 |
| Max output | 100,000 | 16,384 |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| File input | Yes | Yes |
| Input | text, image | text, video, file, image |
| Output | text | text |
| Released | 2025-04-16 | 2026-01-27 |