MiniMax H3 vs GPT-5.2
| MiniMax MiniMax H3 | OpenAI GPT-5.2 | |
|---|---|---|
| Vendor | MiniMax | OpenAI |
| Context window | — | 400,000 |
| Max output | — | 128,000 |
| Reasoning | No | Yes |
| Tool calling | No | Yes |
| File input | Yes | Yes |
| Input | text, image | text, image |
| Output | video | text |
| Released | 2026-07-30 | 2025-12-11 |