# ERNIE 5.1 vs Molmo 2 8b

> ERNIE 5.1 is the stronger model overall, scoring 43.1 to 38.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/ernie-5-1-vs-molmo-2-8b
- Last updated: 2026-10-10
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. ERNIE 5.1 scores higher in 3 categories and Molmo 2 8b in 1 category; 4 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where ERNIE 5.1 leads 65.3 to 49.5.
- Molmo 2 8b has downloadable open weights; the other is API-only.

## Snapshot

| | ERNIE 5.1 | Molmo 2 8b |
|---|---|---|
| Provider | Baidu | Allen Institute for AI (Ai2) |
| Noometry Index | 43.1 | 38.7 |
| Rank | 87 | 170 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- ERNIE 5.1: 43.4 (#78)
- Molmo 2 8b: —

| Benchmark | ERNIE 5.1 | Molmo 2 8b |
|---|---|---|
| LMArena Coding | 1488 | — |

## Agentic & Tool Use

- ERNIE 5.1: —
- Molmo 2 8b: —

| Benchmark | ERNIE 5.1 | Molmo 2 8b |
|---|---|---|
| LMArena Search | 1227 | — |

## Reasoning

- ERNIE 5.1: 20.9 (#209)
- Molmo 2 8b: 24.5 (#146)

| Benchmark | ERNIE 5.1 | Molmo 2 8b |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1288 |
| NYT Connections (extended) | 23.4% | — |

## Math

- ERNIE 5.1: 37.5 (#96)
- Molmo 2 8b: —

| Benchmark | ERNIE 5.1 | Molmo 2 8b |
|---|---|---|
| LMArena Math | 1481 | — |

## Knowledge

- ERNIE 5.1: 41.2 (#103)
- Molmo 2 8b: —

| Benchmark | ERNIE 5.1 | Molmo 2 8b |
|---|---|---|
| LMArena Expert | 1491 | — |

## Multimodal

- ERNIE 5.1: —
- Molmo 2 8b: 29.5 (#106)

| Benchmark | ERNIE 5.1 | Molmo 2 8b |
|---|---|---|
| LMArena Vision | — | 1081 |

## Multilingual

- ERNIE 5.1: 55.7 (#28)
- Molmo 2 8b: 42.8 (#186)

| Benchmark | ERNIE 5.1 | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | 1455 | 1275 |
| LMArena Chinese | 1507 | — |
| LMArena French | 1486 | — |
| LMArena German | 1470 | — |
| LMArena Japanese | 1422 | — |
| LMArena Korean | 1428 | — |
| LMArena Russian | 1459 | — |
| LMArena Spanish | 1472 | — |

## Instruction Following

- ERNIE 5.1: 76.9 (#35)
- Molmo 2 8b: 67.2 (#196)

| Benchmark | ERNIE 5.1 | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | 1460 | 1270 |

## Long Context

- ERNIE 5.1: 44.7 (#56)
- Molmo 2 8b: —

| Benchmark | ERNIE 5.1 | Molmo 2 8b |
|---|---|---|
| LMArena Longer Query | 1462 | — |

## Writing & Preference

- ERNIE 5.1: 65.3 (#50)
- Molmo 2 8b: 49.5 (#187)

| Benchmark | ERNIE 5.1 | Molmo 2 8b |
|---|---|---|
| LMArena Text | 1468 | 1288 |
| LMArena Creative Writing | 1440 | — |
| LMArena Multi-Turn | 1471 | — |

## FAQ

### Is ERNIE 5.1 better than Molmo 2 8b?

ERNIE 5.1 is the stronger model overall, scoring 43.1 to 38.7 on the Noometry Index.

### How many benchmarks do ERNIE 5.1 and Molmo 2 8b share?

4 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Molmo 2 8b has 5.