# Granite 3.1 8b Instruct vs Mixtral 8x7B

> Granite 3.1 8b Instruct is the stronger model overall, scoring 31.8 to 26.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/granite-3-1-8b-instruct-vs-mixtral-8x7b
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Granite 3.1 8b Instruct scores higher in 8 categories and Mixtral 8x7B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Granite 3.1 8b Instruct leads 30.6 to 11.0.

## Snapshot

| | Granite 3.1 8b Instruct | Mixtral 8x7B |
|---|---|---|
| Provider | IBM | Mistral AI |
| Noometry Index | 31.8 | 26.8 |
| Rank | 256 | 328 |
| Context | — | 32K |
| Input $/M | — | $0.70 |
| Output $/M | — | $0.70 |
| Weights | Open | Open |

## Coding

- Granite 3.1 8b Instruct: 33.9 (#232)
- Mixtral 8x7B: 32.2 (#265)

| Benchmark | Granite 3.1 8b Instruct | Mixtral 8x7B |
|---|---|---|
| LMArena Coding | 1186 | 1127 |
| HumanEval+ | — | 39.6% |
| MBPP+ | — | 49.7% |

## Agentic & Tool Use

- Granite 3.1 8b Instruct: 23.9 (#113)
- Mixtral 8x7B: —

| Benchmark | Granite 3.1 8b Instruct | Mixtral 8x7B |
|---|---|---|
| Berkeley Function Calling Leaderboard | 27.1% | — |

## Reasoning

- Granite 3.1 8b Instruct: 21.2 (#204)
- Mixtral 8x7B: 17.4 (#283)

| Benchmark | Granite 3.1 8b Instruct | Mixtral 8x7B |
|---|---|---|
| LMArena Hard Prompts | 1146 | 1115 |
| DTBench | — | 49.6% |
| Adversarial NLI | — | 55.2% |
| Epoch Capabilities Index | — | 118.38 |
| ForecastBench | — | 56.3 |
| HellaSwag | — | 86.7% |
| PIQA | — | 83.6% |
| WinoGrande | — | 77.2% |

## Math

- Granite 3.1 8b Instruct: 30.4 (#210)
- Mixtral 8x7B: 17.2 (#284)

| Benchmark | Granite 3.1 8b Instruct | Mixtral 8x7B |
|---|---|---|
| LMArena Math | 1152 | 1147 |
| Omni-MATH | — | 10.5% |
| MATH Level 5 | — | 10% |
| GSM8K | — | 74.4% |

## Knowledge

- Granite 3.1 8b Instruct: 30.6 (#218)
- Mixtral 8x7B: 11.0 (#296)

| Benchmark | Granite 3.1 8b Instruct | Mixtral 8x7B |
|---|---|---|
| LMArena Expert | 1142 | 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% |

## Multilingual

- Granite 3.1 8b Instruct: 31.1 (#255)
- Mixtral 8x7B: 29.8 (#261)

| Benchmark | Granite 3.1 8b Instruct | Mixtral 8x7B |
|---|---|---|
| LMArena Non-English | 1099 | 1077 |
| LMArena Chinese | 1145 | 1055 |
| LMArena Russian | 1092 | 1090 |
| LMArena French | — | 1165 |
| LMArena German | — | 1114 |
| LMArena Japanese | — | 931 |
| LMArena Korean | — | 968 |
| LMArena Spanish | — | 1110 |

## Instruction Following

- Granite 3.1 8b Instruct: 58.9 (#254)
- Mixtral 8x7B: 51.2 (#292)

| Benchmark | Granite 3.1 8b Instruct | Mixtral 8x7B |
|---|---|---|
| LMArena Instruction Following | 1131 | 1110 |
| IFEval | — | 57.5% |

## Long Context

- Granite 3.1 8b Instruct: 35.2 (#236)
- Mixtral 8x7B: 33.4 (#255)

| Benchmark | Granite 3.1 8b Instruct | Mixtral 8x7B |
|---|---|---|
| LMArena Longer Query | 1162 | 1103 |

## Writing & Preference

- Granite 3.1 8b Instruct: 35.7 (#261)
- Mixtral 8x7B: 34.4 (#265)

| Benchmark | Granite 3.1 8b Instruct | Mixtral 8x7B |
|---|---|---|
| LMArena Text | 1150 | 1132 |
| LMArena Creative Writing | 1129 | 1109 |
| LMArena Multi-Turn | 1108 | 1115 |
| WildBench | — | 67.3% |

## FAQ

### Is Granite 3.1 8b Instruct better than Mixtral 8x7B?

Granite 3.1 8b Instruct is the stronger model overall, scoring 31.8 to 26.8 on the Noometry Index.

### Is Granite 3.1 8b Instruct or Mixtral 8x7B better for coding?

Granite 3.1 8b Instruct scores higher on coding benchmarks: 33.9 versus 32.2 in the Noometry coding category.

### How many benchmarks do Granite 3.1 8b Instruct and Mixtral 8x7B share?

12 benchmarks have published results for both models. Granite 3.1 8b Instruct has 13 scored results on Noometry and Mixtral 8x7B has 38.