# Molmo 2 8b vs Phi 3 Mini 128k Instruct

> Molmo 2 8b is the stronger model overall, scoring 38.7 to 29.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/molmo-2-8b-vs-phi-3-mini-128k-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 Mini 128k Instruct in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Molmo 2 8b leads 49.5 to 27.3.

## Snapshot

| | Molmo 2 8b | Phi 3 Mini 128k Instruct |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | Microsoft |
| Noometry Index | 38.7 | 29.1 |
| Rank | 170 | 303 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Molmo 2 8b: —
- Phi 3 Mini 128k Instruct: 28.3 (#307)

| Benchmark | Molmo 2 8b | Phi 3 Mini 128k Instruct |
|---|---|---|
| BigCodeBench Instruct | — | 29.6% |
| LMArena Coding | — | 1040 |
| BigCodeBench Complete | — | 40.6% |

## Reasoning

- Molmo 2 8b: 24.5 (#146)
- Phi 3 Mini 128k Instruct: 18.7 (#254)

| Benchmark | Molmo 2 8b | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1288 | 1028 |

## Math

- Molmo 2 8b: —
- Phi 3 Mini 128k Instruct: 29.2 (#220)

| Benchmark | Molmo 2 8b | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Math | — | 1089 |

## Knowledge

- Molmo 2 8b: —
- Phi 3 Mini 128k Instruct: 26.3 (#251)

| Benchmark | Molmo 2 8b | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Expert | — | 984 |

## Multimodal

- Molmo 2 8b: 29.5 (#106)
- Phi 3 Mini 128k Instruct: —

| Benchmark | Molmo 2 8b | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Vision | 1081 | — |

## Multilingual

- Molmo 2 8b: 42.8 (#186)
- Phi 3 Mini 128k Instruct: 25.4 (#280)

| Benchmark | Molmo 2 8b | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Non-English | 1275 | 1000 |
| LMArena Chinese | — | 1016 |
| LMArena French | — | 1038 |
| LMArena German | — | 1006 |
| LMArena Japanese | — | 899 |
| LMArena Korean | — | 856 |
| LMArena Russian | — | 1004 |
| LMArena Spanish | — | 1058 |

## Instruction Following

- Molmo 2 8b: 67.2 (#196)
- Phi 3 Mini 128k Instruct: 52.1 (#289)

| Benchmark | Molmo 2 8b | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Instruction Following | 1270 | 1023 |

## Long Context

- Molmo 2 8b: —
- Phi 3 Mini 128k Instruct: 30.3 (#284)

| Benchmark | Molmo 2 8b | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Longer Query | — | 996 |

## Writing & Preference

- Molmo 2 8b: 49.5 (#187)
- Phi 3 Mini 128k Instruct: 27.3 (#296)

| Benchmark | Molmo 2 8b | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Text | 1288 | 1050 |
| LMArena Creative Writing | — | 1024 |
| LMArena Multi-Turn | — | 989 |

## FAQ

### Is Molmo 2 8b better than Phi 3 Mini 128k Instruct?

Molmo 2 8b is the stronger model overall, scoring 38.7 to 29.1 on the Noometry Index.

### How many benchmarks do Molmo 2 8b and Phi 3 Mini 128k Instruct share?

4 benchmarks have published results for both models. Molmo 2 8b has 5 scored results on Noometry and Phi 3 Mini 128k Instruct has 19.