# Granite 3.1 2b Instruct vs Molmo 2 8b

> Molmo 2 8b is the stronger model overall, scoring 39.1 to 33.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/granite-3-1-2b-instruct-vs-molmo-2-8b
- Last updated: 2026-10-10
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. Granite 3.1 2b Instruct scores higher in 0 categories and Molmo 2 8b in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Molmo 2 8b leads 49.4 to 34.1.

## Snapshot

| | Granite 3.1 2b Instruct | Molmo 2 8b |
|---|---|---|
| Provider | IBM | Allen Institute for AI (Ai2) |
| Noometry Index | 33.2 | 39.1 |
| Rank | 247 | 174 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Granite 3.1 2b Instruct: 33.4 (#257)
- Molmo 2 8b: —

| Benchmark | Granite 3.1 2b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Coding | 1149 | — |

## Reasoning

- Granite 3.1 2b Instruct: 22.0 (#209)
- Molmo 2 8b: 25.6 (#146)

| Benchmark | Granite 3.1 2b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Hard Prompts | 1138 | 1287 |

## Math

- Granite 3.1 2b Instruct: 33.1 (#206)
- Molmo 2 8b: —

| Benchmark | Granite 3.1 2b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Math | 1159 | — |

## Knowledge

- Granite 3.1 2b Instruct: 30.8 (#224)
- Molmo 2 8b: —

| Benchmark | Granite 3.1 2b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Expert | 1131 | — |

## Multimodal

- Granite 3.1 2b Instruct: —
- Molmo 2 8b: 30.2 (#112)

| Benchmark | Granite 3.1 2b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Vision | — | 1081 |

## Multilingual

- Granite 3.1 2b Instruct: 29.1 (#269)
- Molmo 2 8b: 42.7 (#190)

| Benchmark | Granite 3.1 2b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | 1068 | 1276 |
| LMArena Chinese | 1139 | — |
| LMArena Russian | 1063 | — |

## Instruction Following

- Granite 3.1 2b Instruct: 57.7 (#264)
- Molmo 2 8b: 67.0 (#201)

| Benchmark | Granite 3.1 2b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | 1116 | 1270 |

## Long Context

- Granite 3.1 2b Instruct: 35.0 (#244)
- Molmo 2 8b: —

| Benchmark | Granite 3.1 2b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Longer Query | 1155 | — |

## Writing & Preference

- Granite 3.1 2b Instruct: 34.1 (#274)
- Molmo 2 8b: 49.4 (#191)

| Benchmark | Granite 3.1 2b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Text | 1127 | 1288 |
| LMArena Creative Writing | 1116 | — |
| LMArena Multi-Turn | 1099 | — |

## FAQ

### Is Granite 3.1 2b Instruct better than Molmo 2 8b?

Molmo 2 8b is the stronger model overall, scoring 39.1 to 33.2 on the Noometry Index.

### How many benchmarks do Granite 3.1 2b Instruct and Molmo 2 8b share?

4 benchmarks have published results for both models. Granite 3.1 2b Instruct has 12 scored results on Noometry and Molmo 2 8b has 5.