# Claude 3.5 Sonnet vs Mistral Medium

> Mistral Medium is the stronger model overall, scoring 36.3 to 34.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-5-sonnet-vs-mistral-medium
- Last updated: 2026-10-10
- Shared benchmarks: 26

## Summary

- They share 26 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 3 categories and Mistral Medium in 7 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where Mistral Medium leads 52.1 to 43.2.
- The biggest single-benchmark swing is MATH Level 5: 56.9% for Claude 3.5 Sonnet and 81.6% for Mistral Medium.
- Mistral Medium has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3.5 Sonnet | Mistral Medium |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 34.6 | 36.3 |
| Rank | 231 | 218 |
| Context | — | 262K |
| Input $/M | — | $1.50 |
| Output $/M | — | $7.50 |
| Weights | Proprietary | Open |

## Coding

- Claude 3.5 Sonnet: 39.0 (#165)
- Mistral Medium: 34.2 (#243)

| Benchmark | Claude 3.5 Sonnet | Mistral Medium |
|---|---|---|
| WeirdML | 40% | 43.7% |
| LMArena Coding | 1342 | 1434 |
| FrontierCode | — | 8% |
| Aider Polyglot | 51.6% | — |
| SciCode | — | 40.2% |
| GSO | 4.6% | — |
| BigCodeBench Instruct | 46.8% | — |
| LiveBench Coding | 67.1% | — |
| BigCodeBench Complete | 58.6% | — |
| CadEval | 48% | — |
| ALE-Bench | — | 763.98 |
| HumanEval+ | 81.7% | — |
| MBPP+ | 74.3% | — |

## Agentic & Tool Use

- Claude 3.5 Sonnet: 32.3 (#67)
- Mistral Medium: 28.3 (#90)

| Benchmark | Claude 3.5 Sonnet | Mistral Medium |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 37.7% |
| TheAgentCompany | 24% | — |
| Cybench | 17.5% | — |
| BALROG | 32.6% | — |
| METR Time Horizons | 45.2% | — |

## Reasoning

- Claude 3.5 Sonnet: 23.1 (#183)
- Mistral Medium: 24.0 (#167)

| Benchmark | Claude 3.5 Sonnet | Mistral Medium |
|---|---|---|
| LMArena Hard Prompts | 1305 | 1426 |
| DTBench | 67.8% | 75.5% |
| SimpleBench | 41.4% | — |
| Kagi LLM Benchmark | — | 50% |
| CritPt | — | 0% |
| EnigmaEval | 0.9% | — |
| LiveBench Reasoning | 56.7% | — |
| LiveBench Data Analysis | 55% | — |
| LMCA | — | 26.1% |
| Surface Evolver Bench | — | 26.9% |
| Epoch Capabilities Index | 133.55 | — |
| ForecastBench | 60.7 | — |
| LiveBench | 59% | — |

## Math

- Claude 3.5 Sonnet: 19.2 (#288)
- Mistral Medium: 28.1 (#245)

| Benchmark | Claude 3.5 Sonnet | Mistral Medium |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 8.5% | 32.2% |
| LMArena Math | 1307 | 1408 |
| MATH Level 5 | 56.9% | 81.6% |
| FrontierMath (Feb 2025 set) | 2.1% | 0.3% |
| ProofBench | — | 9% |
| Omni-MATH | 27.6% | — |
| LiveBench Math | 52.3% | — |
| FrontierMath Tier 4 (v1) | 0% | — |

## Knowledge

- Claude 3.5 Sonnet: 28.6 (#245)
- Mistral Medium: 25.0 (#265)

| Benchmark | Claude 3.5 Sonnet | Mistral Medium |
|---|---|---|
| GPQA Diamond | 55.3% | 59.5% |
| Humanity's Last Exam | 4.1% | 4.5% |
| LMArena Expert | 1265 | 1408 |
| MMLU-Pro | 77.7% | — |
| Confabulations | 19.9% | — |
| Vectara Hallucination Rate | — | 22.7% |
| GPQA (HELM) | 56.5% | — |
| MMLU | 87.3% | — |

## Multimodal

- Claude 3.5 Sonnet: 26.5 (#120)
- Mistral Medium: 35.3 (#88)

| Benchmark | Claude 3.5 Sonnet | Mistral Medium |
|---|---|---|
| LMArena Vision | 1125 | 1172 |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |

## Multilingual

- Claude 3.5 Sonnet: 43.2 (#185)
- Mistral Medium: 52.1 (#91)

| Benchmark | Claude 3.5 Sonnet | Mistral Medium |
|---|---|---|
| LMArena Non-English | 1283 | 1408 |
| LMArena Chinese | 1272 | 1447 |
| LMArena French | 1305 | 1459 |
| LMArena German | 1297 | 1432 |
| LMArena Japanese | 1234 | 1378 |
| LMArena Korean | 1200 | 1380 |
| LMArena Russian | 1306 | 1411 |
| LMArena Spanish | 1290 | 1433 |

## Instruction Following

- Claude 3.5 Sonnet: 68.8 (#182)
- Mistral Medium: 73.7 (#116)

| Benchmark | Claude 3.5 Sonnet | Mistral Medium |
|---|---|---|
| LMArena Instruction Following | 1297 | 1398 |
| LiveBench Instruction Following | 69.3% | — |
| IFEval | 85.5% | — |

## Long Context

- Claude 3.5 Sonnet: 39.9 (#167)
- Mistral Medium: 42.9 (#114)

| Benchmark | Claude 3.5 Sonnet | Mistral Medium |
|---|---|---|
| LMArena Longer Query | 1311 | 1406 |

## Writing & Preference

- Claude 3.5 Sonnet: 52.9 (#164)
- Mistral Medium: 60.0 (#103)

| Benchmark | Claude 3.5 Sonnet | Mistral Medium |
|---|---|---|
| LMArena Text | 1298 | 1424 |
| LMArena Creative Writing | 1292 | 1391 |
| Short-Story Creative Writing | 80.3% | 77.3% |
| LMArena Multi-Turn | 1326 | 1418 |
| EQ-Bench Creative Writing | 1451 | — |
| WildBench | 79.2% | — |
| LiveBench Language | 53.8% | — |

## FAQ

### Is Claude 3.5 Sonnet better than Mistral Medium?

Mistral Medium is the stronger model overall, scoring 36.3 to 34.6 on the Noometry Index.

### Is Claude 3.5 Sonnet or Mistral Medium better for coding?

Claude 3.5 Sonnet scores higher on coding benchmarks: 39.0 versus 34.2 in the Noometry coding category.

### How many benchmarks do Claude 3.5 Sonnet and Mistral Medium share?

26 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Mistral Medium has 36.