# Molmo 2 8b vs Phi 3 Medium 4k Instruct

> Molmo 2 8b is the stronger model overall, scoring 39.1 to 33.0 on the Noometry Index.

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

## Summary

- They share 4 benchmarks with published results for both. Molmo 2 8b scores higher in 4 categories and Phi 3 Medium 4k Instruct in 0 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

| | Molmo 2 8b | Phi 3 Medium 4k Instruct |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | Microsoft |
| Noometry Index | 39.1 | 33.0 |
| Rank | 174 | 250 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Molmo 2 8b: —
- Phi 3 Medium 4k Instruct: 32.9 (#268)

| Benchmark | Molmo 2 8b | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Coding | — | 1130 |

## Reasoning

- Molmo 2 8b: 25.6 (#146)
- Phi 3 Medium 4k Instruct: 21.7 (#214)

| Benchmark | Molmo 2 8b | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1287 | 1127 |

## Math

- Molmo 2 8b: —
- Phi 3 Medium 4k Instruct: 33.4 (#202)

| Benchmark | Molmo 2 8b | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Math | — | 1173 |

## Knowledge

- Molmo 2 8b: —
- Phi 3 Medium 4k Instruct: 30.2 (#229)

| Benchmark | Molmo 2 8b | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Expert | — | 1108 |

## Multimodal

- Molmo 2 8b: 30.2 (#112)
- Phi 3 Medium 4k Instruct: —

| Benchmark | Molmo 2 8b | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Vision | 1081 | — |

## Multilingual

- Molmo 2 8b: 42.7 (#190)
- Phi 3 Medium 4k Instruct: 30.6 (#263)

| Benchmark | Molmo 2 8b | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Non-English | 1276 | 1094 |
| LMArena Chinese | — | 1108 |
| LMArena French | — | 1110 |
| LMArena German | — | 1101 |
| LMArena Japanese | — | 1042 |
| LMArena Korean | — | 954 |
| LMArena Russian | — | 1145 |
| LMArena Spanish | — | 1095 |

## Instruction Following

- Molmo 2 8b: 67.0 (#201)
- Phi 3 Medium 4k Instruct: 57.6 (#268)

| Benchmark | Molmo 2 8b | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Instruction Following | 1270 | 1113 |

## Long Context

- Molmo 2 8b: —
- Phi 3 Medium 4k Instruct: 34.0 (#255)

| Benchmark | Molmo 2 8b | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Longer Query | — | 1120 |

## Writing & Preference

- Molmo 2 8b: 49.4 (#191)
- Phi 3 Medium 4k Instruct: 34.1 (#272)

| Benchmark | Molmo 2 8b | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Text | 1288 | 1138 |
| LMArena Creative Writing | — | 1107 |
| LMArena Multi-Turn | — | 1088 |

## FAQ

### Is Molmo 2 8b better than Phi 3 Medium 4k Instruct?

Molmo 2 8b is the stronger model overall, scoring 39.1 to 33.0 on the Noometry Index.

### How many benchmarks do Molmo 2 8b and Phi 3 Medium 4k Instruct share?

4 benchmarks have published results for both models. Molmo 2 8b has 5 scored results on Noometry and Phi 3 Medium 4k Instruct has 17.