GPT-5.4 Mini vs Grok 4.7
| OpenAI GPT-5.4 Mini | xAI Grok 4.7 | |
|---|---|---|
| Vendor | OpenAI | xAI |
| Context window | 400,000 | 500,000 |
| Max output | 128,000 | — |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| File input | Yes | Yes |
| Input | text, image | text, image |
| Output | text | text |
| Released | 2026-03-17 | 2026-09-21 |