GPT-5 vs MiniMax H3
| OpenAI GPT-5 | MiniMax MiniMax H3 | |
|---|---|---|
| Vendor | OpenAI | MiniMax |
| Context window | 400,000 | — |
| Max output | 128,000 | — |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| File input | Yes | Yes |
| Input | text, image | text, image |
| Output | text | video |
| Released | 2025-08-07 | 2026-07-30 |