Gemini 2.5 Pro vs Grok 4
Direct spec comparison of Gemini 2.5 Pro (from Google) and Grok 4 (from xAI). Want a 3- or 4-way comparison? Open the multi-model tool →
 Gemini 2.5 Pro |  Grok 4xAI | |
|---|---|---|
| Vendor | xAI | |
| Family | Gemini | Grok |
| Release date | 2025-03-25 | 2025-07-09 |
| Context window | 2,000,000 tokens | 256,000 tokens |
| Parameters | — | — |
| Modality | text, vision, audio, video | text |
| License | proprietary | proprietary |
| Source | proprietary | proprietary |
| Description | Predecessor to Gemini 3 Pro. | — |
| Links |
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