GPT-5 Codex vs Mistral Small 3.2 24B Instruct
OpenAI vs Mistral AI — benchmarks, pricing, and capabilities side by side.
- •GPT-5 Codex has the higher intelligence index (87.1 vs 56.2)
| GPT-5 Codex | Mistral Small 3.2 24B Instruct | |
|---|---|---|
| Intelligence index | 87.1 | 56.2 |
| Developer | OpenAI | Mistral AI |
| Type | Multimodal | Multimodal |
| Access | API only | Open weights |
| Context window | 400,000 tokens | — |
| Input price | $1.25 / 1M | — |
| Output price | $10.00 / 1M | — |
| Speed | 180 tok/s | — |
| Released | September 23, 2025 | June 20, 2025 |
| Parameters | — | 23600000000 |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |
Shared benchmarks
GPT-5 Codex
Mistral Small 3.2 24B Instruct
GPQA Diamond
83.7
46.1
MMLU-Pro
86.5
69.1