# ERNIE 5.1 vs Nova 2.0 Pro Preview

> ERNIE 5.1 is the stronger model overall, scoring 43.1 to 32.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/ernie-5-1-vs-nova-2-0-pro-preview
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where ERNIE 5.1 leads 43.4 to 40.2.

## Snapshot

| | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| Provider | Baidu | Amazon |
| Noometry Index | 43.1 | 32.8 |
| Rank | 87 | 241 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- ERNIE 5.1: 43.4 (#78)
- Nova 2.0 Pro Preview: 40.2 (#130)

| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| SciCode | — | 42.7% |
| LMArena Coding | 1488 | — |

## Agentic & Tool Use

- ERNIE 5.1: —
- Nova 2.0 Pro Preview: 21.9 (#127)

| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| GDP.pdf | — | 2% |
| LMArena Search | 1227 | — |

## Reasoning

- ERNIE 5.1: 20.9 (#209)
- Nova 2.0 Pro Preview: 21.7 (#189)

| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| NYT Connections (extended) | 23.4% | — |
| CritPt | — | 0% |
| LMArena Hard Prompts | 1481 | — |

## Math

- ERNIE 5.1: 37.5 (#96)
- Nova 2.0 Pro Preview: —

| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Math | 1481 | — |

## Knowledge

- ERNIE 5.1: 41.2 (#103)
- Nova 2.0 Pro Preview: —

| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Expert | 1491 | — |

## Multilingual

- ERNIE 5.1: 55.7 (#28)
- Nova 2.0 Pro Preview: —

| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Non-English | 1455 | — |
| 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)
- Nova 2.0 Pro Preview: —

| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Instruction Following | 1460 | — |

## Long Context

- ERNIE 5.1: 44.7 (#56)
- Nova 2.0 Pro Preview: —

| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Longer Query | 1462 | — |

## Writing & Preference

- ERNIE 5.1: 65.3 (#50)
- Nova 2.0 Pro Preview: —

| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Text | 1468 | — |
| LMArena Creative Writing | 1440 | — |
| LMArena Multi-Turn | 1471 | — |

## FAQ

### Is ERNIE 5.1 better than Nova 2.0 Pro Preview?

ERNIE 5.1 is the stronger model overall, scoring 43.1 to 32.8 on the Noometry Index.

### Is ERNIE 5.1 or Nova 2.0 Pro Preview better for coding?

ERNIE 5.1 scores higher on coding benchmarks: 43.4 versus 40.2 in the Noometry coding category.

### How many benchmarks do ERNIE 5.1 and Nova 2.0 Pro Preview share?

0 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Nova 2.0 Pro Preview has 3.