Grok 4.3 vs Mixtral 8x22B Instruct
xAI vs Mistral AI — benchmarks, pricing, and capabilities side by side.
- •Grok 4.3 has the higher intelligence index (90.1 vs 39.1)
- •Grok 4.3 is cheaper ($1.25 vs $2.00 per 1M input)
- •Grok 4.3 has a larger context window (1M)
| Grok 4.3 | Mixtral 8x22B Instruct | |
|---|---|---|
| Intelligence index | 90.1 | 39.1 |
| Developer | xAI | Mistral AI |
| Type | LLM | LLM |
| Access | API only | Open weights |
| Context window | 1,000,000 tokens | 65,536 tokens |
| Input price | $1.25 / 1M | $2.00 / 1M |
| Output price | $2.50 / 1M | $6.00 / 1M |
| Speed | 88 tok/s | — |
| Released | May 6, 2026 | April 17, 2024 |
| Parameters | — | — |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
Shared benchmarks
Grok 4.3
Mixtral 8x22B Instruct
GPQA Diamond
90.1
33.2
Humanity’s Last Exam
35
4.1