# Molmo 2 8b vs Yi-34B

> Molmo 2 8b is the stronger model overall, scoring 39.1 to 27.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/molmo-2-8b-vs-yi-34b
- Last updated: 2026-10-12
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. Molmo 2 8b scores higher in 4 categories and Yi-34B 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 | Yi-34B |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | 01.AI |
| Noometry Index | 39.1 | 27.8 |
| Rank | 174 | 329 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Molmo 2 8b: —
- Yi-34B: 32.3 (#274)

| Benchmark | Molmo 2 8b | Yi-34B |
|---|---|---|
| LMArena Coding | — | 1112 |

## Reasoning

- Molmo 2 8b: 25.6 (#146)
- Yi-34B: 21.2 (#226)

| Benchmark | Molmo 2 8b | Yi-34B |
|---|---|---|
| LMArena Hard Prompts | 1287 | 1104 |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | — | 117.39 |

## Math

- Molmo 2 8b: —
- Yi-34B: 21.6 (#282)

| Benchmark | Molmo 2 8b | Yi-34B |
|---|---|---|
| LMArena Math | — | 1114 |
| MATH Level 5 | — | 5.1% |
| GSM8K | — | 76% |

## Knowledge

- Molmo 2 8b: —
- Yi-34B: 7.5 (#309)

| Benchmark | Molmo 2 8b | Yi-34B |
|---|---|---|
| GPQA Diamond | — | 14.7% |
| LMArena Expert | — | 1061 |
| MMLU | — | 76.3% |

## Multimodal

- Molmo 2 8b: 30.2 (#112)
- Yi-34B: —

| Benchmark | Molmo 2 8b | Yi-34B |
|---|---|---|
| LMArena Vision | 1081 | — |

## Multilingual

- Molmo 2 8b: 42.7 (#190)
- Yi-34B: 29.7 (#264)

| Benchmark | Molmo 2 8b | Yi-34B |
|---|---|---|
| LMArena Non-English | 1276 | 1079 |
| LMArena Chinese | — | 1176 |
| LMArena French | — | 1081 |
| LMArena German | — | 1042 |
| LMArena Japanese | — | 993 |
| LMArena Korean | — | 959 |
| LMArena Russian | — | 1050 |
| LMArena Spanish | — | 1070 |

## Instruction Following

- Molmo 2 8b: 67.0 (#201)
- Yi-34B: 56.2 (#274)

| Benchmark | Molmo 2 8b | Yi-34B |
|---|---|---|
| LMArena Instruction Following | 1270 | 1091 |

## Long Context

- Molmo 2 8b: —
- Yi-34B: 33.2 (#264)

| Benchmark | Molmo 2 8b | Yi-34B |
|---|---|---|
| LMArena Longer Query | — | 1094 |

## Writing & Preference

- Molmo 2 8b: 49.4 (#191)
- Yi-34B: 34.1 (#273)

| Benchmark | Molmo 2 8b | Yi-34B |
|---|---|---|
| LMArena Text | 1288 | 1129 |
| LMArena Creative Writing | — | 1108 |
| LMArena Multi-Turn | — | 1113 |

## FAQ

### Is Molmo 2 8b better than Yi-34B?

Molmo 2 8b is the stronger model overall, scoring 39.1 to 27.8 on the Noometry Index.

### How many benchmarks do Molmo 2 8b and Yi-34B share?

4 benchmarks have published results for both models. Molmo 2 8b has 5 scored results on Noometry and Yi-34B has 23.