Grok 4.20 0309 vs Mistral Small 3.1
xAI vs Mistral AI — benchmarks, pricing, and capabilities side by side.
- •Grok 4.20 0309 has the higher intelligence index (88.5 vs 42.4)
- •Mistral Small 3.1 is cheaper ($0.10 vs $2.00 per 1M input)
- •Mistral Small 3.1 is faster
| Grok 4.20 0309 | Mistral Small 3.1 | |
|---|---|---|
| Intelligence index | 88.5 | 42.4 |
| Developer | xAI | Mistral AI |
| Type | LLM | LLM |
| Access | — | — |
| Context window | — | — |
| Input price | $2.00 / 1M | $0.10 / 1M |
| Output price | $6.00 / 1M | $0.20 / 1M |
| Speed | 97 tok/s | 134 tok/s |
| Released | March 10, 2026 | March 17, 2025 |
| Parameters | — | — |
| Input modalities | — | — |
| Output modalities | — | — |
Shared benchmarks
Grok 4.20 0309
Mistral Small 3.1
GPQA Diamond
88.5
45.4
Humanity’s Last Exam
30
4.8