# Claude 3 Sonnet vs Mixtral 8x22B

> Claude 3 Sonnet is the stronger model overall, scoring 29.0 to 27.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-sonnet-vs-mixtral-8x22b
- Last updated: 2026-10-12
- Shared benchmarks: 27

## Summary

- They share 27 benchmarks with published results for both. Claude 3 Sonnet scores higher in 7 categories and Mixtral 8x22B in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where Mixtral 8x22B leads 22.9 to 10.7.
- The biggest single-benchmark swing is WeirdML: 10.2% for Claude 3 Sonnet and 3.2% for Mixtral 8x22B.
- Mixtral 8x22B has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Sonnet | Mixtral 8x22B |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 29.0 | 27.1 |
| Rank | 319 | 333 |
| Context | — | 64K |
| Input $/M | — | $2 |
| Output $/M | — | $6 |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Sonnet: 29.6 (#302)
- Mixtral 8x22B: 24.2 (#329)

| Benchmark | Claude 3 Sonnet | Mixtral 8x22B |
|---|---|---|
| WeirdML | 10.2% | 3.2% |
| BigCodeBench Instruct | 42.7% | 40.6% |
| LMArena Coding | 1223 | 1166 |
| BigCodeBench Complete | 53.8% | 50.2% |
| HumanEval+ | 64% | 72% |
| MBPP+ | 69.3% | 64.3% |

## Agentic & Tool Use

- Claude 3 Sonnet: —
- Mixtral 8x22B: 23.1 (#127)

| Benchmark | Claude 3 Sonnet | Mixtral 8x22B |
|---|---|---|
| Cybench | — | 7.5% |

## Reasoning

- Claude 3 Sonnet: 20.5 (#237)
- Mixtral 8x22B: 19.9 (#248)

| Benchmark | Claude 3 Sonnet | Mixtral 8x22B |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1150 |
| DTBench | 53.6% | 55.1% |
| Epoch Capabilities Index | 120.7 | 122.03 |
| ForecastBench | — | 56.3 |
| WinoGrande | 75.1% | — |

## Math

- Claude 3 Sonnet: 10.7 (#310)
- Mixtral 8x22B: 22.9 (#275)

| Benchmark | Claude 3 Sonnet | Mixtral 8x22B |
|---|---|---|
| LMArena Math | 1213 | 1184 |
| MATH Level 5 | 18.2% | 24.2% |
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| Omni-MATH | — | 16.3% |

## Knowledge

- Claude 3 Sonnet: 21.1 (#276)
- Mixtral 8x22B: 15.1 (#293)

| Benchmark | Claude 3 Sonnet | Mixtral 8x22B |
|---|---|---|
| GPQA Diamond | 40.6% | 34.1% |
| LMArena Expert | 1173 | 1113 |
| MMLU | 75.9% | 77.8% |
| MMLU-Pro | — | 46% |
| GPQA (HELM) | — | 33.4% |

## Multimodal

- Claude 3 Sonnet: 25.2 (#125)
- Mixtral 8x22B: —

| Benchmark | Claude 3 Sonnet | Mixtral 8x22B |
|---|---|---|
| LMArena Vision | 984 | — |

## Multilingual

- Claude 3 Sonnet: 37.8 (#234)
- Mixtral 8x22B: 32.8 (#255)

| Benchmark | Claude 3 Sonnet | Mixtral 8x22B |
|---|---|---|
| LMArena Non-English | 1205 | 1128 |
| LMArena Chinese | 1189 | 1116 |
| LMArena French | 1229 | 1166 |
| LMArena German | 1204 | 1141 |
| LMArena Japanese | 1131 | 1037 |
| LMArena Korean | 1128 | 1057 |
| LMArena Russian | 1227 | 1158 |
| LMArena Spanish | 1204 | 1151 |

## Instruction Following

- Claude 3 Sonnet: 62.8 (#235)
- Mixtral 8x22B: 57.7 (#266)

| Benchmark | Claude 3 Sonnet | Mixtral 8x22B |
|---|---|---|
| LMArena Instruction Following | 1199 | 1147 |
| IFEval | — | 72.4% |

## Long Context

- Claude 3 Sonnet: 36.7 (#228)
- Mixtral 8x22B: 34.7 (#247)

| Benchmark | Claude 3 Sonnet | Mixtral 8x22B |
|---|---|---|
| LMArena Longer Query | 1211 | 1144 |

## Writing & Preference

- Claude 3 Sonnet: 42.1 (#238)
- Mixtral 8x22B: 36.9 (#262)

| Benchmark | Claude 3 Sonnet | Mixtral 8x22B |
|---|---|---|
| LMArena Text | 1218 | 1162 |
| LMArena Creative Writing | 1186 | 1141 |
| LMArena Multi-Turn | 1227 | 1130 |
| WildBench | — | 71.1% |

## FAQ

### Is Claude 3 Sonnet better than Mixtral 8x22B?

Claude 3 Sonnet is the stronger model overall, scoring 29.0 to 27.1 on the Noometry Index.

### Is Claude 3 Sonnet or Mixtral 8x22B better for coding?

Claude 3 Sonnet scores higher on coding benchmarks: 29.6 versus 24.2 in the Noometry coding category.

### How many benchmarks do Claude 3 Sonnet and Mixtral 8x22B share?

27 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Mixtral 8x22B has 34.