Grok 4.7 vs gpt-5-nano
| xAI Grok 4.7 | OpenAI gpt-5-nano | |
|---|---|---|
| Vendor | xAI | OpenAI |
| Context window | 500,000 | 400,000 |
| Max output | — | 128,000 |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| File input | Yes | Yes |
| Input | text, image | text, image |
| Output | text | text |
| Released | 2026-09-21 | 2025-08-07 |