DeepSeek DeepSeek Coder vs xAI Grok 4 Fast — side-by-side specs.
DeepSeek DeepSeek Coder | xAI Grok 4 Fast | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | xAI |
| Release date | Nov 2 2023 | Sep 2025 |
| Model type | — | — |
| Open source | Yes | No |
| Specifications | ||
Parameters | — | — |
Context window | — | — |
| Benchmarks | ||
Science reasoning GPQA Diamond | — | — |
Software engineering SWE-Bench Verified | — | — |
Multimodal understanding MMMU | — | — |
| Timeline | ||
| Release gap | DeepSeek Coder shipped 669 days before Grok 4 Fast | |
DeepSeek Coder and Grok 4 Fast do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. DeepSeek Coder shipped 669 days before Grok 4 Fast, so benchmark comparisons should account for the intervening progress.
DeepSeek Coder is an open-source / open-weight model; Grok 4 Fast is proprietary.
Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.