# ERNIE 5.1 vs Muse Spark

> Muse Spark is the stronger model overall, scoring 50.6 to 43.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/ernie-5-1-vs-muse-spark
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. ERNIE 5.1 scores higher in 2 categories and Muse Spark in 6 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Muse Spark leads 65.7 to 41.9.

## Snapshot

| | ERNIE 5.1 | Muse Spark |
|---|---|---|
| Provider | Baidu | Meta |
| Noometry Index | 43.8 | 50.6 |
| Rank | 83 | 46 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- ERNIE 5.1: 44.0 (#76)
- Muse Spark: 46.2 (#69)

| Benchmark | ERNIE 5.1 | Muse Spark |
|---|---|---|
| LMArena Coding | 1488 | 1481 |
| SciCode | — | 51.5% |

## Agentic & Tool Use

- ERNIE 5.1: —
- Muse Spark: —

| Benchmark | ERNIE 5.1 | Muse Spark |
|---|---|---|
| LMArena Search | 1227 | — |

## Reasoning

- ERNIE 5.1: 21.9 (#211)
- Muse Spark: 35.9 (#67)

| Benchmark | ERNIE 5.1 | Muse Spark |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1474 |
| NYT Connections (extended) | 23.4% | — |
| CritPt | — | 11.3% |
| Epoch Capabilities Index | — | 152.04 |

## Math

- ERNIE 5.1: 40.3 (#92)
- Muse Spark: 47.8 (#66)

| Benchmark | ERNIE 5.1 | Muse Spark |
|---|---|---|
| LMArena Math | 1481 | 1455 |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | — | 17% |
| FrontierMath (Feb 2025 set) | — | 39% |
| FrontierMath Tier 4 (v1) | — | 14.6% |

## Knowledge

- ERNIE 5.1: 41.9 (#102)
- Muse Spark: 65.7 (#13)

| Benchmark | ERNIE 5.1 | Muse Spark |
|---|---|---|
| LMArena Expert | 1492 | 1457 |
| GPQA Diamond | — | 89.8% |
| Humanity's Last Exam | — | 40.6% |

## Multimodal

- ERNIE 5.1: —
- Muse Spark: 43.4 (#24)

| Benchmark | ERNIE 5.1 | Muse Spark |
|---|---|---|
| LMArena Vision | — | 1306 |
| LMArena Document | — | 1444 |

## Multilingual

- ERNIE 5.1: 55.5 (#29)
- Muse Spark: 56.1 (#24)

| Benchmark | ERNIE 5.1 | Muse Spark |
|---|---|---|
| LMArena Non-English | 1454 | 1464 |
| LMArena Chinese | 1508 | 1509 |
| LMArena French | 1488 | 1497 |
| LMArena German | 1470 | 1497 |
| LMArena Korean | 1427 | 1459 |
| LMArena Russian | 1459 | 1466 |
| LMArena Spanish | 1473 | 1472 |
| LMArena Japanese | 1422 | — |

## Instruction Following

- ERNIE 5.1: 76.7 (#37)
- Muse Spark: 75.9 (#51)

| Benchmark | ERNIE 5.1 | Muse Spark |
|---|---|---|
| LMArena Instruction Following | 1460 | 1442 |

## Long Context

- ERNIE 5.1: 44.7 (#59)
- Muse Spark: 44.4 (#69)

| Benchmark | ERNIE 5.1 | Muse Spark |
|---|---|---|
| LMArena Longer Query | 1462 | 1451 |

## Writing & Preference

- ERNIE 5.1: 65.1 (#52)
- Muse Spark: 66.0 (#39)

| Benchmark | ERNIE 5.1 | Muse Spark |
|---|---|---|
| LMArena Text | 1468 | 1474 |
| LMArena Creative Writing | 1441 | 1459 |
| LMArena Multi-Turn | 1471 | 1477 |

## FAQ

### Is ERNIE 5.1 better than Muse Spark?

Muse Spark is the stronger model overall, scoring 50.6 to 43.8 on the Noometry Index.

### Is ERNIE 5.1 or Muse Spark better for coding?

Muse Spark scores higher on coding benchmarks: 46.2 versus 44.0 in the Noometry coding category.

### How many benchmarks do ERNIE 5.1 and Muse Spark share?

16 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Muse Spark has 27.