# Mixtral 8x7B vs Olmo 7b Instruct

> Olmo 7b Instruct is the stronger model overall, scoring 30.3 to 27.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mixtral-8x7b-vs-olmo-7b-instruct
- Last updated: 2026-10-12
- Shared benchmarks: 10

## Summary

- They share 10 benchmarks with published results for both. Mixtral 8x7B scores higher in 4 categories and Olmo 7b Instruct in 2 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in math, where Olmo 7b Instruct leads 30.2 to 18.8.

## Snapshot

| | Mixtral 8x7B | Olmo 7b Instruct |
|---|---|---|
| Provider | Mistral AI | Allen Institute for AI (Ai2) |
| Noometry Index | 27.1 | 30.3 |
| Rank | 334 | 295 |
| Context | 32K | — |
| Input $/M | $0.70 | — |
| Output $/M | $0.70 | — |
| Weights | Open | Open |

## Coding

- Mixtral 8x7B: 32.8 (#269)
- Olmo 7b Instruct: 29.6 (#303)

| Benchmark | Mixtral 8x7B | Olmo 7b Instruct |
|---|---|---|
| LMArena Coding | 1126 | 1016 |
| HumanEval+ | 39.6% | — |
| MBPP+ | 49.7% | — |

## Reasoning

- Mixtral 8x7B: 18.2 (#285)
- Olmo 7b Instruct: 18.8 (#274)

| Benchmark | Mixtral 8x7B | Olmo 7b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1115 | 993 |
| DTBench | 49.6% | — |
| Adversarial NLI | 55.2% | — |
| Epoch Capabilities Index | 118.47 | — |
| ForecastBench | 56.3 | — |
| HellaSwag | 86.7% | — |
| PIQA | 83.6% | — |
| WinoGrande | 77.2% | — |

## Math

- Mixtral 8x7B: 18.8 (#289)
- Olmo 7b Instruct: 30.2 (#237)

| Benchmark | Mixtral 8x7B | Olmo 7b Instruct |
|---|---|---|
| LMArena Math | 1147 | 1018 |
| Omni-MATH | 10.5% | — |
| MATH Level 5 | 10% | — |
| GSM8K | 74.4% | — |

## Knowledge

- Mixtral 8x7B: 11.0 (#301)
- Olmo 7b Instruct: —

| Benchmark | Mixtral 8x7B | Olmo 7b Instruct |
|---|---|---|
| GPQA Diamond | 30.6% | — |
| MMLU-Pro | 33.5% | — |
| GPQA (HELM) | 29.6% | — |
| LMArena Expert | 1088 | — |
| ARC (AI2) Challenge | 87.3% | — |
| MMLU | 70.6% | — |
| OpenBookQA | 85.8% | — |
| TriviaQA | 82.2% | — |

## Multilingual

- Mixtral 8x7B: 29.6 (#266)
- Olmo 7b Instruct: 24.0 (#291)

| Benchmark | Mixtral 8x7B | Olmo 7b Instruct |
|---|---|---|
| LMArena Non-English | 1077 | 977 |
| LMArena Chinese | 1055 | 1014 |
| LMArena Russian | 1090 | 947 |
| LMArena French | 1166 | — |
| LMArena German | 1114 | — |
| LMArena Japanese | 931 | — |
| LMArena Korean | 968 | — |
| LMArena Spanish | 1111 | — |

## Instruction Following

- Mixtral 8x7B: 51.0 (#297)
- Olmo 7b Instruct: 49.0 (#301)

| Benchmark | Mixtral 8x7B | Olmo 7b Instruct |
|---|---|---|
| LMArena Instruction Following | 1109 | 978 |
| IFEval | 57.5% | — |

## Long Context

- Mixtral 8x7B: 33.4 (#260)
- Olmo 7b Instruct: —

| Benchmark | Mixtral 8x7B | Olmo 7b Instruct |
|---|---|---|
| LMArena Longer Query | 1103 | — |

## Writing & Preference

- Mixtral 8x7B: 34.2 (#270)
- Olmo 7b Instruct: 25.8 (#303)

| Benchmark | Mixtral 8x7B | Olmo 7b Instruct |
|---|---|---|
| LMArena Text | 1132 | 1032 |
| LMArena Creative Writing | 1109 | 990 |
| LMArena Multi-Turn | 1115 | 1007 |
| WildBench | 67.3% | — |

## FAQ

### Is Mixtral 8x7B better than Olmo 7b Instruct?

Olmo 7b Instruct is the stronger model overall, scoring 30.3 to 27.1 on the Noometry Index.

### Is Mixtral 8x7B or Olmo 7b Instruct better for coding?

Mixtral 8x7B scores higher on coding benchmarks: 32.8 versus 29.6 in the Noometry coding category.

### How many benchmarks do Mixtral 8x7B and Olmo 7b Instruct share?

10 benchmarks have published results for both models. Mixtral 8x7B has 38 scored results on Noometry and Olmo 7b Instruct has 10.