DeepSeek DeepSeek V2.5 vs xAI Grok 4 — side-by-side specs.
DeepSeek DeepSeek V2.5 | xAI Grok 4 | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | xAI |
| Release date | Sep 2024 | Jul 9 2025 |
| Model type | — | — |
| Open source | Yes | No |
| Specifications | ||
Parameters | — | — |
Context window | — | — |
| Benchmarks | ||
| Timeline | ||
| Release gap | DeepSeek V2.5 shipped 311 days before Grok 4 | |
DeepSeek V2.5 and Grok 4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek V2.5 shipped 311 days before Grok 4, so benchmark comparisons should account for the intervening progress.
DeepSeek V2.5 is an open-source / open-weight model; Grok 4 is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek V2.5 and Grok 4 don't publish scores on any of the same benchmarks.