Mistral Mixtral 8×22B vs xAI Grok 4.3 Beta — side-by-side specs.
Mistral Mixtral 8×22B | xAI Grok 4.3 Beta | |
|---|---|---|
| Overview | ||
| Company | Mistral | xAI |
| Release date | Apr 10 2024 | Apr 17 2026 |
| 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 | Mixtral 8×22B shipped 737 days before Grok 4.3 Beta | |
Mixtral 8×22B and Grok 4.3 Beta do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Mixtral 8×22B shipped 737 days before Grok 4.3 Beta, so benchmark comparisons should account for the intervening progress.
Mixtral 8×22B is an open-source / open-weight model; Grok 4.3 Beta 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.