Grok-4 Heavy vs Mistral Small 3.1 24B Base
xAI vs Mistral AI — benchmarks, pricing, and capabilities side by side.
- •Grok-4 Heavy has the higher intelligence index (89.3 vs 50.9)
| Grok-4 Heavy | Mistral Small 3.1 24B Base | |
|---|---|---|
| Intelligence index | 89.3 | 50.9 |
| Developer | xAI | Mistral AI |
| Type | Multimodal | Multimodal |
| Access | API only | Open weights |
| Context window | — | 128,000 tokens |
| Input price | — | $0.10 / 1M |
| Output price | — | $0.30 / 1M |
| Speed | — | 137 tok/s |
| Released | July 9, 2025 | March 17, 2025 |
| Parameters | — | 24000000000 |
| Input modalities | — | — |
| Output modalities | — | — |
Shared benchmarks
Grok-4 Heavy
Mistral Small 3.1 24B Base
GPQA Diamond
88.4
37.5