Grok 4.20 0309 vs Mixtral 8x22B Instruct
xAI vs Mistral AI — benchmarks, pricing, and capabilities side by side.
- •Grok 4.20 0309 has the higher intelligence index (88.5 vs 39.1)
| Grok 4.20 0309 | Mixtral 8x22B Instruct | |
|---|---|---|
| Intelligence index | 88.5 | 39.1 |
| Developer | xAI | Mistral AI |
| Type | LLM | LLM |
| Access | — | Open weights |
| Context window | — | 65,536 tokens |
| Input price | $2.00 / 1M | $2.00 / 1M |
| Output price | $6.00 / 1M | $6.00 / 1M |
| Speed | 97 tok/s | — |
| Released | March 10, 2026 | April 17, 2024 |
| Parameters | — | — |
| Input modalities | — | Text |
| Output modalities | — | Text |
Shared benchmarks
Grok 4.20 0309
Mixtral 8x22B Instruct
GPQA Diamond
88.5
33.2
Humanity’s Last Exam
30
4.1