# DeepSeek-V2.5 (Sep 2024) vs ERNIE 5.1

> ERNIE 5.1 is the stronger model overall, scoring 43.1 to 37.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-v2-5-vs-ernie-5-1
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. DeepSeek-V2.5 (Sep 2024) scores higher in 1 category and ERNIE 5.1 in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where ERNIE 5.1 leads 65.3 to 50.0.
- DeepSeek-V2.5 (Sep 2024) has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek-V2.5 (Sep 2024) | ERNIE 5.1 |
|---|---|---|
| Provider | DeepSeek | Baidu |
| Noometry Index | 37.0 | 43.1 |
| Rank | 197 | 87 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- DeepSeek-V2.5 (Sep 2024): 31.3 (#274)
- ERNIE 5.1: 43.4 (#78)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | ERNIE 5.1 |
|---|---|---|
| LMArena Coding | 1310 | 1488 |
| Aider Polyglot | 17.8% | — |
| BigCodeBench Instruct | 48.6% | — |
| BigCodeBench Complete | 53.2% | — |
| HumanEval+ | 83.5% | — |
| MBPP+ | 74.1% | — |

## Agentic & Tool Use

- DeepSeek-V2.5 (Sep 2024): —
- ERNIE 5.1: —

| Benchmark | DeepSeek-V2.5 (Sep 2024) | ERNIE 5.1 |
|---|---|---|
| LMArena Search | — | 1227 |

## Reasoning

- DeepSeek-V2.5 (Sep 2024): 24.5 (#145)
- ERNIE 5.1: 20.9 (#209)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | ERNIE 5.1 |
|---|---|---|
| LMArena Hard Prompts | 1289 | 1481 |
| NYT Connections (extended) | — | 23.4% |

## Math

- DeepSeek-V2.5 (Sep 2024): 33.3 (#177)
- ERNIE 5.1: 37.5 (#96)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | ERNIE 5.1 |
|---|---|---|
| LMArena Math | 1289 | 1481 |

## Knowledge

- DeepSeek-V2.5 (Sep 2024): 34.2 (#190)
- ERNIE 5.1: 41.2 (#103)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | ERNIE 5.1 |
|---|---|---|
| LMArena Expert | 1266 | 1491 |

## Multilingual

- DeepSeek-V2.5 (Sep 2024): 42.7 (#188)
- ERNIE 5.1: 55.7 (#28)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | ERNIE 5.1 |
|---|---|---|
| LMArena Non-English | 1273 | 1455 |
| LMArena Chinese | 1317 | 1507 |
| LMArena French | 1288 | 1486 |
| LMArena German | 1258 | 1470 |
| LMArena Japanese | 1228 | 1422 |
| LMArena Korean | 1209 | 1428 |
| LMArena Russian | 1289 | 1459 |
| LMArena Spanish | 1248 | 1472 |

## Instruction Following

- DeepSeek-V2.5 (Sep 2024): 67.7 (#189)
- ERNIE 5.1: 76.9 (#35)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | ERNIE 5.1 |
|---|---|---|
| LMArena Instruction Following | 1280 | 1460 |

## Long Context

- DeepSeek-V2.5 (Sep 2024): 39.5 (#169)
- ERNIE 5.1: 44.7 (#56)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | ERNIE 5.1 |
|---|---|---|
| LMArena Longer Query | 1301 | 1462 |

## Writing & Preference

- DeepSeek-V2.5 (Sep 2024): 50.0 (#182)
- ERNIE 5.1: 65.3 (#50)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | ERNIE 5.1 |
|---|---|---|
| LMArena Text | 1294 | 1468 |
| LMArena Creative Writing | 1285 | 1440 |
| LMArena Multi-Turn | 1297 | 1471 |

## FAQ

### Is DeepSeek-V2.5 (Sep 2024) better than ERNIE 5.1?

ERNIE 5.1 is the stronger model overall, scoring 43.1 to 37.0 on the Noometry Index.

### Is DeepSeek-V2.5 (Sep 2024) or ERNIE 5.1 better for coding?

ERNIE 5.1 scores higher on coding benchmarks: 43.4 versus 31.3 in the Noometry coding category.

### How many benchmarks do DeepSeek-V2.5 (Sep 2024) and ERNIE 5.1 share?

17 benchmarks have published results for both models. DeepSeek-V2.5 (Sep 2024) has 22 scored results on Noometry and ERNIE 5.1 has 19.