Devstral Small vs Grok 4.20 0309 v2
Mistral AI vs xAI — benchmarks, pricing, and capabilities side by side.
- •Grok 4.20 0309 v2 has the higher intelligence index (91.1 vs 45.3)
- •Devstral Small is cheaper ($0.10 vs $2.00 per 1M input)
- •Devstral Small is faster
| Devstral Small | Grok 4.20 0309 v2 | |
|---|---|---|
| Intelligence index | 45.3 | 91.1 |
| Developer | Mistral AI | xAI |
| Type | LLM | LLM |
| Access | — | — |
| Context window | — | — |
| Input price | $0.10 / 1M | $2.00 / 1M |
| Output price | $0.30 / 1M | $6.00 / 1M |
| Speed | 190 tok/s | 105 tok/s |
| Released | May 21, 2025 | April 7, 2026 |
| Parameters | — | — |
| Input modalities | — | — |
| Output modalities | — | — |
Shared benchmarks
Devstral Small
Grok 4.20 0309 v2
GPQA Diamond
43.4
91.1
Humanity’s Last Exam
4
32.2