kimi-k2-0905-preview vs GPT Image 2.5 Dev
| Moonshot kimi-k2-0905-preview | OpenAI GPT Image 2.5 Dev | |
|---|---|---|
| Vendor | Moonshot | OpenAI |
| Context window | 262,144 | — |
| Max output | 262,144 | — |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| File input | Yes | Yes |
| Input | text | text, image |
| Output | text | image |
| Released | 2025-09-05 | 2026-09-08 |