gemini-2.5-pro vs Grok 4.5
| Google gemini-2.5-pro | xAI Grok 4.5 | |
|---|---|---|
| Vendor | xAI | |
| Context window | 1,048,576 | 500,000 |
| Max output | 65,536 | 2,000,000 |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| File input | Yes | Yes |
| Input | text, image, audio, video, file | text, image |
| Output | text | text |
| Released | 2025-03-20 | 2026-07-08 |