Grok 4.20 Multi-Agent vs Gemini 4 Hydrogen
| xAI Grok 4.20 Multi-Agent | Google Gemini 4 Hydrogen | |
|---|---|---|
| Vendor | xAI | |
| Context window | 1,000,000 | 1,048,576 |
| Max output | — | 65,536 |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| File input | Yes | Yes |
| Input | text, image | text, image, video, audio, file |
| Output | text | text |
| Released | 2026-03-09 | 2026-11-12 |