# Mistral Medium 3.5 vs Mixtral 8x7B

> Mistral Medium 3.5 is the stronger model overall, scoring 39.6 to 26.8 on the Noometry Index. Mixtral 8x7B costs 4.3× less per token, which makes it the better buy when Mistral Medium 3.5's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/mistral-medium-3-5-vs-mixtral-8x7b
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Mistral Medium 3.5 scores higher in 7 categories and Mixtral 8x7B in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Mistral Medium 3.5 leads 39.3 to 11.0.
- Mixtral 8x7B is cheaper at $0.70 / $0.70 per million input/output tokens, against $1.50 / $7.50 for Mistral Medium 3.5.
- Mistral Medium 3.5 accepts more context: 262K tokens versus 32K.

## Snapshot

| | Mistral Medium 3.5 | Mixtral 8x7B |
|---|---|---|
| Provider | Mistral AI | Mistral AI |
| Noometry Index | 39.6 | 26.8 |
| Rank | 151 | 328 |
| Context | 262K | 32K |
| Input $/M | $1.50 | $0.70 |
| Output $/M | $7.50 | $0.70 |
| Weights | Open | Open |

## Coding

- Mistral Medium 3.5: 35.7 (#208)
- Mixtral 8x7B: 32.2 (#265)

| Benchmark | Mistral Medium 3.5 | Mixtral 8x7B |
|---|---|---|
| LMArena Coding | 1461 | 1127 |
| LMArena WebDev | 1263 | — |
| HumanEval+ | — | 39.6% |
| MBPP+ | — | 49.7% |

## Reasoning

- Mistral Medium 3.5: 16.6 (#290)
- Mixtral 8x7B: 17.4 (#283)

| Benchmark | Mistral Medium 3.5 | Mixtral 8x7B |
|---|---|---|
| LMArena Hard Prompts | 1436 | 1115 |
| Epoch Capabilities Index | 141.42 | 118.38 |
| Kagi LLM Benchmark | 41.4% | — |
| NYT Connections (extended) | 12.9% | — |
| DTBench | — | 49.6% |
| Adversarial NLI | — | 55.2% |
| ForecastBench | — | 56.3 |
| HellaSwag | — | 86.7% |
| PIQA | — | 83.6% |
| WinoGrande | — | 77.2% |

## Math

- Mistral Medium 3.5: 36.4 (#113)
- Mixtral 8x7B: 17.2 (#284)

| Benchmark | Mistral Medium 3.5 | Mixtral 8x7B |
|---|---|---|
| LMArena Math | 1432 | 1147 |
| Omni-MATH | — | 10.5% |
| MATH Level 5 | — | 10% |
| GSM8K | — | 74.4% |

## Knowledge

- Mistral Medium 3.5: 39.3 (#123)
- Mixtral 8x7B: 11.0 (#296)

| Benchmark | Mistral Medium 3.5 | Mixtral 8x7B |
|---|---|---|
| LMArena Expert | 1431 | 1088 |
| GPQA Diamond | — | 30.6% |
| MMLU-Pro | — | 33.5% |
| GPQA (HELM) | — | 29.6% |
| ARC (AI2) Challenge | — | 87.3% |
| MMLU | — | 70.6% |
| OpenBookQA | — | 85.8% |
| TriviaQA | — | 82.2% |

## Multimodal

- Mistral Medium 3.5: 37.6 (#64)
- Mixtral 8x7B: —

| Benchmark | Mistral Medium 3.5 | Mixtral 8x7B |
|---|---|---|
| LMArena Vision | 1222 | — |

## Multilingual

- Mistral Medium 3.5: 52.1 (#93)
- Mixtral 8x7B: 29.8 (#261)

| Benchmark | Mistral Medium 3.5 | Mixtral 8x7B |
|---|---|---|
| LMArena Non-English | 1405 | 1077 |
| LMArena Chinese | 1443 | 1055 |
| LMArena French | 1448 | 1165 |
| LMArena German | 1453 | 1114 |
| LMArena Korean | 1387 | 968 |
| LMArena Russian | 1396 | 1090 |
| LMArena Spanish | 1406 | 1110 |
| LMArena Japanese | — | 931 |

## Instruction Following

- Mistral Medium 3.5: 74.7 (#87)
- Mixtral 8x7B: 51.2 (#292)

| Benchmark | Mistral Medium 3.5 | Mixtral 8x7B |
|---|---|---|
| LMArena Instruction Following | 1414 | 1110 |
| IFEval | — | 57.5% |

## Long Context

- Mistral Medium 3.5: 43.2 (#101)
- Mixtral 8x7B: 33.4 (#255)

| Benchmark | Mistral Medium 3.5 | Mixtral 8x7B |
|---|---|---|
| LMArena Longer Query | 1414 | 1103 |

## Writing & Preference

- Mistral Medium 3.5: 58.6 (#113)
- Mixtral 8x7B: 34.4 (#265)

| Benchmark | Mistral Medium 3.5 | Mixtral 8x7B |
|---|---|---|
| LMArena Text | 1421 | 1132 |
| LMArena Creative Writing | 1372 | 1109 |
| LMArena Multi-Turn | 1423 | 1115 |
| WildBench | — | 67.3% |
| EQ-Bench 4 | 993 | — |

## FAQ

### Is Mistral Medium 3.5 better than Mixtral 8x7B?

Mistral Medium 3.5 is the stronger model overall, scoring 39.6 to 26.8 on the Noometry Index. Mixtral 8x7B costs 4.3× less per token, which makes it the better buy when Mistral Medium 3.5's lead doesn't matter for your workload.

### Which is cheaper, Mistral Medium 3.5 or Mixtral 8x7B?

Mixtral 8x7B is cheaper. It lists at $0.70 per million input tokens and $0.70 per million output tokens; Mistral Medium 3.5 lists at $1.50 and $7.50.

### Is Mistral Medium 3.5 or Mixtral 8x7B better for coding?

Mistral Medium 3.5 scores higher on coding benchmarks: 35.7 versus 32.2 in the Noometry coding category.

### Which has the bigger context window?

Mistral Medium 3.5 does, with 262K tokens against 32K.

### How many benchmarks do Mistral Medium 3.5 and Mixtral 8x7B share?

17 benchmarks have published results for both models. Mistral Medium 3.5 has 22 scored results on Noometry and Mixtral 8x7B has 38.