Grok 4.20 0309 vs Mixtral 8x7B Instruct
xAI vs Mistral AI — benchmarks, pricing, and capabilities side by side.
- •Grok 4.20 0309 has the higher intelligence index (88.5 vs 26.1)
- •Mixtral 8x7B Instruct is cheaper ($0.50 vs $2.00 per 1M input)
| Grok 4.20 0309 | Mixtral 8x7B Instruct | |
|---|---|---|
| Intelligence index | 88.5 | 26.1 |
| Developer | xAI | Mistral AI |
| Type | LLM | LLM |
| Access | — | — |
| Context window | — | — |
| Input price | $2.00 / 1M | $0.50 / 1M |
| Output price | $6.00 / 1M | $0.70 / 1M |
| Speed | 97 tok/s | — |
| Released | March 10, 2026 | December 11, 2023 |
| Parameters | — | — |
| Input modalities | — | — |
| Output modalities | — | — |
Shared benchmarks
Grok 4.20 0309
Mixtral 8x7B Instruct
GPQA Diamond
88.5
29.2
Humanity’s Last Exam
30
4.5