# Claude 3.5 Sonnet vs Mixtral 8x7B

> Claude 3.5 Sonnet is the stronger model overall, scoring 34.4 to 26.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-5-sonnet-vs-mixtral-8x7b
- Last updated: 2026-10-10
- Shared benchmarks: 30

## Summary

- They share 30 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 8 categories and Mixtral 8x7B in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Claude 3.5 Sonnet leads 53.0 to 34.4.
- The biggest single-benchmark swing is MATH Level 5: 56.9% for Claude 3.5 Sonnet and 10% for Mixtral 8x7B.
- Mixtral 8x7B has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3.5 Sonnet | Mixtral 8x7B |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 34.4 | 26.8 |
| Rank | 225 | 328 |
| Context | — | 32K |
| Input $/M | — | $0.70 |
| Output $/M | — | $0.70 |
| Weights | Proprietary | Open |

## Coding

- Claude 3.5 Sonnet: 39.5 (#145)
- Mixtral 8x7B: 32.2 (#265)

| Benchmark | Claude 3.5 Sonnet | Mixtral 8x7B |
|---|---|---|
| LMArena Coding | 1343 | 1127 |
| HumanEval+ | 81.7% | 39.6% |
| MBPP+ | 74.3% | 49.7% |
| Aider Polyglot | 51.6% | — |
| GSO | 4.6% | — |
| WeirdML | 40% | — |
| BigCodeBench Instruct | 46.8% | — |
| LiveBench Coding | 67.1% | — |
| BigCodeBench Complete | 58.6% | — |
| CadEval | 48% | — |

## Agentic & Tool Use

- Claude 3.5 Sonnet: 32.1 (#61)
- Mixtral 8x7B: —

| Benchmark | Claude 3.5 Sonnet | Mixtral 8x7B |
|---|---|---|
| TheAgentCompany | 24% | — |
| Cybench | 17.5% | — |
| BALROG | 32.6% | — |
| METR Time Horizons | 45.2% | — |

## Reasoning

- Claude 3.5 Sonnet: 22.5 (#176)
- Mixtral 8x7B: 17.4 (#283)

| Benchmark | Claude 3.5 Sonnet | Mixtral 8x7B |
|---|---|---|
| LMArena Hard Prompts | 1305 | 1115 |
| DTBench | 67.8% | 49.6% |
| Epoch Capabilities Index | 133.55 | 118.38 |
| ForecastBench | 60.7 | 56.3 |
| SimpleBench | 41.4% | — |
| EnigmaEval | 0.9% | — |
| LiveBench Reasoning | 56.7% | — |
| LiveBench Data Analysis | 55% | — |
| Adversarial NLI | — | 55.2% |
| HellaSwag | — | 86.7% |
| LiveBench | 59% | — |
| PIQA | — | 83.6% |
| WinoGrande | — | 77.2% |

## Math

- Claude 3.5 Sonnet: 18.0 (#282)
- Mixtral 8x7B: 17.2 (#284)

| Benchmark | Claude 3.5 Sonnet | Mixtral 8x7B |
|---|---|---|
| Omni-MATH | 27.6% | 10.5% |
| LMArena Math | 1306 | 1147 |
| MATH Level 5 | 56.9% | 10% |
| OTIS Mock AIME 2024-2025 | 8.5% | — |
| LiveBench Math | 52.3% | — |
| FrontierMath (Feb 2025 set) | 2.1% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
| GSM8K | — | 74.4% |

## Knowledge

- Claude 3.5 Sonnet: 28.5 (#236)
- Mixtral 8x7B: 11.0 (#296)

| Benchmark | Claude 3.5 Sonnet | Mixtral 8x7B |
|---|---|---|
| GPQA Diamond | 55.3% | 30.6% |
| MMLU-Pro | 77.7% | 33.5% |
| GPQA (HELM) | 56.5% | 29.6% |
| LMArena Expert | 1264 | 1088 |
| MMLU | 87.3% | 70.6% |
| Humanity's Last Exam | 4.1% | — |
| Confabulations | 19.9% | — |
| ARC (AI2) Challenge | — | 87.3% |
| OpenBookQA | — | 85.8% |
| TriviaQA | — | 82.2% |

## Multimodal

- Claude 3.5 Sonnet: 26.0 (#115)
- Mixtral 8x7B: —

| Benchmark | Claude 3.5 Sonnet | Mixtral 8x7B |
|---|---|---|
| LMArena Vision | 1125 | — |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |

## Multilingual

- Claude 3.5 Sonnet: 43.4 (#180)
- Mixtral 8x7B: 29.8 (#261)

| Benchmark | Claude 3.5 Sonnet | Mixtral 8x7B |
|---|---|---|
| LMArena Non-English | 1283 | 1077 |
| LMArena Chinese | 1271 | 1055 |
| LMArena French | 1304 | 1165 |
| LMArena German | 1297 | 1114 |
| LMArena Japanese | 1234 | 931 |
| LMArena Korean | 1200 | 968 |
| LMArena Russian | 1305 | 1090 |
| LMArena Spanish | 1289 | 1110 |

## Instruction Following

- Claude 3.5 Sonnet: 69.0 (#177)
- Mixtral 8x7B: 51.2 (#292)

| Benchmark | Claude 3.5 Sonnet | Mixtral 8x7B |
|---|---|---|
| IFEval | 85.5% | 57.5% |
| LMArena Instruction Following | 1297 | 1110 |
| LiveBench Instruction Following | 69.3% | — |

## Long Context

- Claude 3.5 Sonnet: 39.9 (#162)
- Mixtral 8x7B: 33.4 (#255)

| Benchmark | Claude 3.5 Sonnet | Mixtral 8x7B |
|---|---|---|
| LMArena Longer Query | 1311 | 1103 |

## Writing & Preference

- Claude 3.5 Sonnet: 53.0 (#159)
- Mixtral 8x7B: 34.4 (#265)

| Benchmark | Claude 3.5 Sonnet | Mixtral 8x7B |
|---|---|---|
| LMArena Text | 1298 | 1132 |
| LMArena Creative Writing | 1292 | 1109 |
| WildBench | 79.2% | 67.3% |
| LMArena Multi-Turn | 1326 | 1115 |
| Short-Story Creative Writing | 80.3% | — |
| EQ-Bench Creative Writing | 1451 | — |
| LiveBench Language | 53.8% | — |

## FAQ

### Is Claude 3.5 Sonnet better than Mixtral 8x7B?

Claude 3.5 Sonnet is the stronger model overall, scoring 34.4 to 26.8 on the Noometry Index.

### Is Claude 3.5 Sonnet or Mixtral 8x7B better for coding?

Claude 3.5 Sonnet scores higher on coding benchmarks: 39.5 versus 32.2 in the Noometry coding category.

### How many benchmarks do Claude 3.5 Sonnet and Mixtral 8x7B share?

30 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Mixtral 8x7B has 38.