Pyyan / Compare / Grok 4.5 vs Gemini 3.1 Pro
Language Models · verified 13 Aug 2026
| Specification | Grok 4.5 | Gemini 3.1 Pro |
|---|---|---|
| Summary | Opus-class performance at lower cost. | Best for very large multimodal context. |
| Context | 500K | 1M |
| Input ($/Mtok) | $2 | — |
| Output ($/Mtok) | $6 | — |
| Licence | Proprietary | Proprietary |
| Model ID | grok-4.5 | — |
| Category | Language Models | Language Models |
| Official | xAI ↗ | Google ↗ |
Highlighted rows are where these differ.
Best for long documents.