# Granite 3.1 8b Instruct vs Mistral Medium 3.5

> Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 32.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/granite-3-1-8b-instruct-vs-mistral-medium-3-5
- Last updated: 2026-10-12
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Granite 3.1 8b Instruct scores higher in 1 category and Mistral Medium 3.5 in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mistral Medium 3.5 leads 58.5 to 35.5.

## Snapshot

| | Granite 3.1 8b Instruct | Mistral Medium 3.5 |
|---|---|---|
| Provider | IBM | Mistral AI |
| Noometry Index | 32.4 | 40.2 |
| Rank | 258 | 152 |
| Context | — | 262K |
| Input $/M | — | $1.50 |
| Output $/M | — | $7.50 |
| Weights | Open | Open |

## Coding

- Granite 3.1 8b Instruct: 34.5 (#233)
- Mistral Medium 3.5: 36.0 (#213)

| Benchmark | Granite 3.1 8b Instruct | Mistral Medium 3.5 |
|---|---|---|
| LMArena Coding | 1186 | 1461 |
| LMArena WebDev | — | 1264 |

## Agentic & Tool Use

- Granite 3.1 8b Instruct: 24.1 (#120)
- Mistral Medium 3.5: —

| Benchmark | Granite 3.1 8b Instruct | Mistral Medium 3.5 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 27.1% | — |

## Reasoning

- Granite 3.1 8b Instruct: 22.1 (#207)
- Mistral Medium 3.5: 17.3 (#295)

| Benchmark | Granite 3.1 8b Instruct | Mistral Medium 3.5 |
|---|---|---|
| LMArena Hard Prompts | 1145 | 1436 |
| Kagi LLM Benchmark | — | 41.4% |
| NYT Connections (extended) | — | 12.9% |
| Epoch Capabilities Index | — | 141.35 |

## Math

- Granite 3.1 8b Instruct: 33.0 (#209)
- Mistral Medium 3.5: 39.1 (#113)

| Benchmark | Granite 3.1 8b Instruct | Mistral Medium 3.5 |
|---|---|---|
| LMArena Math | 1152 | 1431 |

## Knowledge

- Granite 3.1 8b Instruct: 31.1 (#220)
- Mistral Medium 3.5: 40.0 (#126)

| Benchmark | Granite 3.1 8b Instruct | Mistral Medium 3.5 |
|---|---|---|
| LMArena Expert | 1142 | 1432 |

## Multimodal

- Granite 3.1 8b Instruct: —
- Mistral Medium 3.5: 38.3 (#65)

| Benchmark | Granite 3.1 8b Instruct | Mistral Medium 3.5 |
|---|---|---|
| LMArena Vision | — | 1223 |

## Multilingual

- Granite 3.1 8b Instruct: 30.9 (#260)
- Mistral Medium 3.5: 51.9 (#100)

| Benchmark | Granite 3.1 8b Instruct | Mistral Medium 3.5 |
|---|---|---|
| LMArena Non-English | 1099 | 1404 |
| LMArena Chinese | 1145 | 1442 |
| LMArena Russian | 1092 | 1395 |
| LMArena French | — | 1448 |
| LMArena German | — | 1451 |
| LMArena Korean | — | 1385 |
| LMArena Spanish | — | 1409 |

## Instruction Following

- Granite 3.1 8b Instruct: 58.6 (#259)
- Mistral Medium 3.5: 74.6 (#90)

| Benchmark | Granite 3.1 8b Instruct | Mistral Medium 3.5 |
|---|---|---|
| LMArena Instruction Following | 1131 | 1415 |

## Long Context

- Granite 3.1 8b Instruct: 35.2 (#241)
- Mistral Medium 3.5: 43.2 (#103)

| Benchmark | Granite 3.1 8b Instruct | Mistral Medium 3.5 |
|---|---|---|
| LMArena Longer Query | 1162 | 1415 |

## Writing & Preference

- Granite 3.1 8b Instruct: 35.5 (#266)
- Mistral Medium 3.5: 58.5 (#117)

| Benchmark | Granite 3.1 8b Instruct | Mistral Medium 3.5 |
|---|---|---|
| LMArena Text | 1150 | 1421 |
| LMArena Creative Writing | 1129 | 1374 |
| LMArena Multi-Turn | 1108 | 1423 |
| EQ-Bench 4 | — | 993 |

## FAQ

### Is Granite 3.1 8b Instruct better than Mistral Medium 3.5?

Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 32.4 on the Noometry Index.

### Is Granite 3.1 8b Instruct or Mistral Medium 3.5 better for coding?

Mistral Medium 3.5 scores higher on coding benchmarks: 36.0 versus 34.5 in the Noometry coding category.

### How many benchmarks do Granite 3.1 8b Instruct and Mistral Medium 3.5 share?

12 benchmarks have published results for both models. Granite 3.1 8b Instruct has 13 scored results on Noometry and Mistral Medium 3.5 has 22.