grok-4-1-fast-non-reasoning vs Gemini 3.1 Pro Preview Customtools
| xAI grok-4-1-fast-non-reasoning | Google Gemini 3.1 Pro Preview Customtools | |
|---|---|---|
| Vendor | xAI | |
| Context window | 2,097,152 | 1,048,576 |
| Max output | 32,768 | 65,536 |
| Reasoning | No | Yes |
| Tool calling | Yes | Yes |
| File input | Yes | Yes |
| Input | text, image | text, image, video, audio, file |
| Output | text | text |
| Released | 2025-11-19 | 2026-02-19 |