GPT Image 2.5 Dev vs Kimi K2.5
| OpenAI GPT Image 2.5 Dev | Moonshot Kimi K2.5 | |
|---|---|---|
| Vendor | OpenAI | Moonshot |
| Context window | — | 256,144 |
| Max output | — | 16,384 |
| Reasoning | No | Yes |
| Tool calling | No | Yes |
| File input | Yes | Yes |
| Input | text, image | text, video, file, image |
| Output | image | text |
| Released | 2026-09-08 | 2026-01-27 |