# ERNIE 5.1 vs Nova 2 Lite

> ERNIE 5.1 is the stronger model overall, scoring 43.1 to 39.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/ernie-5-1-vs-nova-2-lite
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. ERNIE 5.1 scores higher in 6 categories and Nova 2 Lite in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where ERNIE 5.1 leads 65.3 to 54.1.

## Snapshot

| | ERNIE 5.1 | Nova 2 Lite |
|---|---|---|
| Provider | Baidu | Amazon |
| Noometry Index | 43.1 | 39.0 |
| Rank | 87 | 161 |
| Context | — | 1M |
| Input $/M | — | $0.30 |
| Output $/M | — | $2.50 |
| Weights | Proprietary | Proprietary |

## Coding

- ERNIE 5.1: 43.4 (#78)
- Nova 2 Lite: 40.1 (#131)

| Benchmark | ERNIE 5.1 | Nova 2 Lite |
|---|---|---|
| LMArena Coding | 1488 | 1386 |

## Agentic & Tool Use

- ERNIE 5.1: —
- Nova 2 Lite: 23.9 (#114)

| Benchmark | ERNIE 5.1 | Nova 2 Lite |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 27.1% |
| LMArena Search | 1227 | — |

## Reasoning

- ERNIE 5.1: 20.9 (#209)
- Nova 2 Lite: 26.4 (#120)

| Benchmark | ERNIE 5.1 | Nova 2 Lite |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1364 |
| NYT Connections (extended) | 23.4% | — |

## Math

- ERNIE 5.1: 37.5 (#96)
- Nova 2 Lite: 34.8 (#154)

| Benchmark | ERNIE 5.1 | Nova 2 Lite |
|---|---|---|
| LMArena Math | 1481 | 1359 |

## Knowledge

- ERNIE 5.1: 41.2 (#103)
- Nova 2 Lite: 42.5 (#88)

| Benchmark | ERNIE 5.1 | Nova 2 Lite |
|---|---|---|
| LMArena Expert | 1491 | 1360 |
| Vectara Hallucination Rate | — | 5.1% |

## Multilingual

- ERNIE 5.1: 55.7 (#28)
- Nova 2 Lite: 47.3 (#148)

| Benchmark | ERNIE 5.1 | Nova 2 Lite |
|---|---|---|
| LMArena Non-English | 1455 | 1337 |
| LMArena Chinese | 1507 | 1364 |
| LMArena French | 1486 | 1381 |
| LMArena German | 1470 | 1343 |
| LMArena Japanese | 1422 | 1273 |
| LMArena Korean | 1428 | 1284 |
| LMArena Russian | 1459 | 1343 |
| LMArena Spanish | 1472 | 1372 |

## Instruction Following

- ERNIE 5.1: 76.9 (#35)
- Nova 2 Lite: 70.7 (#156)

| Benchmark | ERNIE 5.1 | Nova 2 Lite |
|---|---|---|
| LMArena Instruction Following | 1460 | 1335 |

## Long Context

- ERNIE 5.1: 44.7 (#56)
- Nova 2 Lite: 40.6 (#145)

| Benchmark | ERNIE 5.1 | Nova 2 Lite |
|---|---|---|
| LMArena Longer Query | 1462 | 1335 |

## Writing & Preference

- ERNIE 5.1: 65.3 (#50)
- Nova 2 Lite: 54.1 (#150)

| Benchmark | ERNIE 5.1 | Nova 2 Lite |
|---|---|---|
| LMArena Text | 1468 | 1362 |
| LMArena Creative Writing | 1440 | 1291 |
| LMArena Multi-Turn | 1471 | 1338 |

## FAQ

### Is ERNIE 5.1 better than Nova 2 Lite?

ERNIE 5.1 is the stronger model overall, scoring 43.1 to 39.0 on the Noometry Index.

### Is ERNIE 5.1 or Nova 2 Lite better for coding?

ERNIE 5.1 scores higher on coding benchmarks: 43.4 versus 40.1 in the Noometry coding category.

### How many benchmarks do ERNIE 5.1 and Nova 2 Lite share?

17 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Nova 2 Lite has 19.