Claude Opus 4.5 vs grok-3-mini
| Anthropic Claude Claude Opus 4.5 | xAI grok-3-mini | |
|---|---|---|
| Vendor | Anthropic Claude | xAI |
| Context window | 200,000 | 131,072 |
| Max output | 64,000 | 8,192 |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| File input | Yes | No |
| Input | text, image, file | text |
| Output | text | text |
| Released | 2025-11-24 | 2025-02-17 |