Google Gemini Omni vs xAI Grok 4 Fast — side-by-side specs.
Google Gemini Omni | xAI Grok 4 Fast | |
|---|---|---|
| Overview | ||
| Company | xAI | |
| Release date | May 19 2026 | Sep 2025 |
| Model type | — | — |
| Open source | No | No |
| Specifications | ||
Parameters | — | — |
Context window | — | — |
| Benchmarks | ||
| Timeline | ||
| Release gap | Grok 4 Fast shipped 260 days before Gemini Omni | |
Gemini Omni and Grok 4 Fast don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok 4 Fast shipped 260 days before Gemini Omni, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
Direct benchmark comparisons are unavailable — Gemini Omni and Grok 4 Fast don't publish scores on any of the same benchmarks.