# Claude 3 Sonnet vs ERNIE 5.1

> ERNIE 5.1 is the stronger model overall, scoring 43.1 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-sonnet-vs-ernie-5-1
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Claude 3 Sonnet scores higher in 0 categories and ERNIE 5.1 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where ERNIE 5.1 leads 37.5 to 10.0.

## Snapshot

| | Claude 3 Sonnet | ERNIE 5.1 |
|---|---|---|
| Provider | Anthropic | Baidu |
| Noometry Index | 28.8 | 43.1 |
| Rank | 311 | 87 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3 Sonnet: 29.2 (#296)
- ERNIE 5.1: 43.4 (#78)

| Benchmark | Claude 3 Sonnet | ERNIE 5.1 |
|---|---|---|
| LMArena Coding | 1223 | 1488 |
| WeirdML | 10.2% | — |
| BigCodeBench Instruct | 42.7% | — |
| BigCodeBench Complete | 53.8% | — |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |

## Agentic & Tool Use

- Claude 3 Sonnet: —
- ERNIE 5.1: —

| Benchmark | Claude 3 Sonnet | ERNIE 5.1 |
|---|---|---|
| LMArena Search | — | 1227 |

## Reasoning

- Claude 3 Sonnet: 19.7 (#232)
- ERNIE 5.1: 20.9 (#209)

| Benchmark | Claude 3 Sonnet | ERNIE 5.1 |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1481 |
| NYT Connections (extended) | — | 23.4% |
| DTBench | 53.6% | — |
| Epoch Capabilities Index | 120.69 | — |
| WinoGrande | 75.1% | — |

## Math

- Claude 3 Sonnet: 10.0 (#305)
- ERNIE 5.1: 37.5 (#96)

| Benchmark | Claude 3 Sonnet | ERNIE 5.1 |
|---|---|---|
| LMArena Math | 1213 | 1481 |
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| MATH Level 5 | 18.2% | — |

## Knowledge

- Claude 3 Sonnet: 21.1 (#271)
- ERNIE 5.1: 41.2 (#103)

| Benchmark | Claude 3 Sonnet | ERNIE 5.1 |
|---|---|---|
| LMArena Expert | 1173 | 1491 |
| GPQA Diamond | 40.6% | — |
| MMLU | 75.9% | — |

## Multimodal

- Claude 3 Sonnet: 24.7 (#120)
- ERNIE 5.1: —

| Benchmark | Claude 3 Sonnet | ERNIE 5.1 |
|---|---|---|
| LMArena Vision | 984 | — |

## Multilingual

- Claude 3 Sonnet: 38.0 (#229)
- ERNIE 5.1: 55.7 (#28)

| Benchmark | Claude 3 Sonnet | ERNIE 5.1 |
|---|---|---|
| LMArena Non-English | 1205 | 1455 |
| LMArena Chinese | 1188 | 1507 |
| LMArena French | 1228 | 1486 |
| LMArena German | 1204 | 1470 |
| LMArena Japanese | 1131 | 1422 |
| LMArena Korean | 1128 | 1428 |
| LMArena Russian | 1227 | 1459 |
| LMArena Spanish | 1204 | 1472 |

## Instruction Following

- Claude 3 Sonnet: 63.1 (#230)
- ERNIE 5.1: 76.9 (#35)

| Benchmark | Claude 3 Sonnet | ERNIE 5.1 |
|---|---|---|
| LMArena Instruction Following | 1200 | 1460 |

## Long Context

- Claude 3 Sonnet: 36.7 (#223)
- ERNIE 5.1: 44.7 (#56)

| Benchmark | Claude 3 Sonnet | ERNIE 5.1 |
|---|---|---|
| LMArena Longer Query | 1211 | 1462 |

## Writing & Preference

- Claude 3 Sonnet: 42.3 (#233)
- ERNIE 5.1: 65.3 (#50)

| Benchmark | Claude 3 Sonnet | ERNIE 5.1 |
|---|---|---|
| LMArena Text | 1218 | 1468 |
| LMArena Creative Writing | 1186 | 1440 |
| LMArena Multi-Turn | 1227 | 1471 |

## FAQ

### Is Claude 3 Sonnet better than ERNIE 5.1?

ERNIE 5.1 is the stronger model overall, scoring 43.1 to 28.8 on the Noometry Index.

### Is Claude 3 Sonnet or ERNIE 5.1 better for coding?

ERNIE 5.1 scores higher on coding benchmarks: 43.4 versus 29.2 in the Noometry coding category.

### How many benchmarks do Claude 3 Sonnet and ERNIE 5.1 share?

17 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and ERNIE 5.1 has 19.