# GPT-5.2 Pro vs Mistral Small 3.2

> GPT-5.2 Pro is the stronger model overall, scoring 52.2 to 30.8 on the Noometry Index. Mistral Small 3.2 costs 435× less per token, which makes it the better buy when GPT-5.2 Pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-5-2-pro-vs-mistral-small-3-2
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. GPT-5.2 Pro scores higher in 2 categories and Mistral Small 3.2 in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5.2 Pro leads 64.8 to 24.9.
- Mistral Small 3.2 is cheaper at $0.0938 / $0.25 per million input/output tokens, against $21 / $168 for GPT-5.2 Pro.
- GPT-5.2 Pro accepts more context: 400K tokens versus 256K.
- Mistral Small 3.2 has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.2 Pro | Mistral Small 3.2 |
|---|---|---|
| Provider | OpenAI | Mistral AI |
| Noometry Index | 52.2 | 30.8 |
| Rank | 34 | 271 |
| Context | 400K | 256K |
| Input $/M | $21 | $0.0938 |
| Output $/M | $168 | $0.25 |
| Weights | Proprietary | Open |

## Reasoning

- GPT-5.2 Pro: 51.8 (#31)
- Mistral Small 3.2: 17.5 (#282)

| Benchmark | GPT-5.2 Pro | Mistral Small 3.2 |
|---|---|---|
| Epoch Capabilities Index | 155.41 | 131.73 |
| ARC-AGI-2 | 54.2% | — |
| SimpleBench | 57.4% | — |
| Kagi LLM Benchmark | — | 40.4% |
| NYT Connections (extended) | 79.3% | — |
| ARC-AGI-1 | 90.5% | — |
| Chess Puzzles | — | 1% |

## Math

- GPT-5.2 Pro: 64.8 (#23)
- Mistral Small 3.2: 24.9 (#251)

| Benchmark | GPT-5.2 Pro | Mistral Small 3.2 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 74% | — |
| FrontierMath Tier 4 | 46% | — |
| OTIS Mock AIME 2024-2025 | — | 30.3% |
| FrontierMath Tier 4 (v1) | 31.3% | — |

## Knowledge

- GPT-5.2 Pro: —
- Mistral Small 3.2: 26.8 (#249)

| Benchmark | GPT-5.2 Pro | Mistral Small 3.2 |
|---|---|---|
| GPQA Diamond | — | 49.1% |

## Writing & Preference

- GPT-5.2 Pro: —
- Mistral Small 3.2: 45.1 (#219)

| Benchmark | GPT-5.2 Pro | Mistral Small 3.2 |
|---|---|---|
| EQ-Bench Creative Writing | — | 1255 |

## FAQ

### Is GPT-5.2 Pro better than Mistral Small 3.2?

GPT-5.2 Pro is the stronger model overall, scoring 52.2 to 30.8 on the Noometry Index. Mistral Small 3.2 costs 435× less per token, which makes it the better buy when GPT-5.2 Pro's lead doesn't matter for your workload.

### Which is cheaper, GPT-5.2 Pro or Mistral Small 3.2?

Mistral Small 3.2 is cheaper. It lists at $0.0938 per million input tokens and $0.25 per million output tokens; GPT-5.2 Pro lists at $21 and $168.

### Which has the bigger context window?

GPT-5.2 Pro does, with 400K tokens against 256K.

### How many benchmarks do GPT-5.2 Pro and Mistral Small 3.2 share?

1 benchmark has published results for both models. GPT-5.2 Pro has 8 scored results on Noometry and Mistral Small 3.2 has 6.