kimi-k2-turbo-preview vs gpt-4.1
| Moonshot kimi-k2-turbo-preview | OpenAI gpt-4.1 | |
|---|---|---|
| Vendor | Moonshot | OpenAI |
| Context window | 262,144 | 1,047,576 |
| Max output | 262,144 | 32,768 |
| Reasoning | Yes | No |
| Tool calling | Yes | Yes |
| File input | Yes | Yes |
| Input | text, image, file | text, image |
| Output | text | text |
| Released | 2025-09-05 | 2025-04-14 |