grok-3 vs Grok 4.20 (Non-Reasoning)
| xAI grok-3 | xAI Grok 4.20 (Non-Reasoning) | |
|---|---|---|
| Vendor | xAI | xAI |
| Context window | 131,072 | 2,000,000 |
| Max output | 8,192 | 2,000,000 |
| Reasoning | No | No |
| Tool calling | Yes | Yes |
| File input | Yes | Yes |
| Input | text | text, image |
| Output | text | text |
| Released | 2025-02-17 | 2026-03-08 |