# Claude 3 Sonnet vs Mistral Small 3.2

> Mistral Small 3.2 is the stronger model overall, scoring 31.2 to 29.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-sonnet-vs-mistral-small-3-2
- Last updated: 2026-10-10
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. Claude 3 Sonnet scores higher in 1 category and Mistral Small 3.2 in 3 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Mistral Small 3.2 leads 26.3 to 10.7.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 2.5% for Claude 3 Sonnet and 30.3% for Mistral Small 3.2.
- Mistral Small 3.2 has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Sonnet | Mistral Small 3.2 |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 29.0 | 31.2 |
| Rank | 319 | 280 |
| Context | — | 256K |
| Input $/M | — | $0.0938 |
| Output $/M | — | $0.25 |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Sonnet: 29.6 (#302)
- Mistral Small 3.2: —

| Benchmark | Claude 3 Sonnet | Mistral Small 3.2 |
|---|---|---|
| WeirdML | 10.2% | — |
| BigCodeBench Instruct | 42.7% | — |
| LMArena Coding | 1223 | — |
| BigCodeBench Complete | 53.8% | — |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |

## Reasoning

- Claude 3 Sonnet: 20.5 (#237)
- Mistral Small 3.2: 18.1 (#287)

| Benchmark | Claude 3 Sonnet | Mistral Small 3.2 |
|---|---|---|
| Epoch Capabilities Index | 120.7 | 131.74 |
| Kagi LLM Benchmark | — | 40.4% |
| Chess Puzzles | — | 1% |
| LMArena Hard Prompts | 1197 | — |
| DTBench | 53.6% | — |
| WinoGrande | 75.1% | — |

## Math

- Claude 3 Sonnet: 10.7 (#310)
- Mistral Small 3.2: 26.3 (#260)

| Benchmark | Claude 3 Sonnet | Mistral Small 3.2 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | 30.3% |
| LMArena Math | 1213 | — |
| MATH Level 5 | 18.2% | — |

## Knowledge

- Claude 3 Sonnet: 21.1 (#276)
- Mistral Small 3.2: 26.7 (#256)

| Benchmark | Claude 3 Sonnet | Mistral Small 3.2 |
|---|---|---|
| GPQA Diamond | 40.6% | 49.1% |
| LMArena Expert | 1173 | — |
| MMLU | 75.9% | — |

## Multimodal

- Claude 3 Sonnet: 25.2 (#125)
- Mistral Small 3.2: —

| Benchmark | Claude 3 Sonnet | Mistral Small 3.2 |
|---|---|---|
| LMArena Vision | 984 | — |

## Multilingual

- Claude 3 Sonnet: 37.8 (#234)
- Mistral Small 3.2: —

| Benchmark | Claude 3 Sonnet | Mistral Small 3.2 |
|---|---|---|
| LMArena Non-English | 1205 | — |
| LMArena Chinese | 1189 | — |
| LMArena French | 1229 | — |
| LMArena German | 1204 | — |
| LMArena Japanese | 1131 | — |
| LMArena Korean | 1128 | — |
| LMArena Russian | 1227 | — |
| LMArena Spanish | 1204 | — |

## Instruction Following

- Claude 3 Sonnet: 62.8 (#235)
- Mistral Small 3.2: —

| Benchmark | Claude 3 Sonnet | Mistral Small 3.2 |
|---|---|---|
| LMArena Instruction Following | 1199 | — |

## Long Context

- Claude 3 Sonnet: 36.7 (#228)
- Mistral Small 3.2: —

| Benchmark | Claude 3 Sonnet | Mistral Small 3.2 |
|---|---|---|
| LMArena Longer Query | 1211 | — |

## Writing & Preference

- Claude 3 Sonnet: 42.1 (#238)
- Mistral Small 3.2: 45.0 (#224)

| Benchmark | Claude 3 Sonnet | Mistral Small 3.2 |
|---|---|---|
| LMArena Text | 1218 | — |
| LMArena Creative Writing | 1186 | — |
| EQ-Bench Creative Writing | — | 1255 |
| LMArena Multi-Turn | 1227 | — |

## FAQ

### Is Claude 3 Sonnet better than Mistral Small 3.2?

Mistral Small 3.2 is the stronger model overall, scoring 31.2 to 29.0 on the Noometry Index.

### How many benchmarks do Claude 3 Sonnet and Mistral Small 3.2 share?

3 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Mistral Small 3.2 has 6.