Model comparison
ERNIE 5.1 vs Muse Spark
Muse Spark is the stronger model overall, scoring 50.6 to 43.8 on the Noometry Index.
Last verified . 16 shared benchmarks.
Baidu
MetaSummary
- 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.
Side by side
| ERNIE 5.1 | Muse Spark | |
|---|---|---|
| Provider | Baidu | Meta |
| Noometry Index | 43.8 | 50.6 |
| Released | — | 2026-04-08 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 19 | 27 |
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Category by category
Coding Muse Spark leads
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 Not comparable
ERNIE 5.1: —, Muse Spark: —
| Benchmark | ERNIE 5.1 | Muse Spark |
|---|---|---|
| LMArena Search | 1227 | — |
Reasoning Muse Spark leads
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 Muse Spark leads
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 Muse Spark leads
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 Not comparable
ERNIE 5.1: —, Muse Spark: 43.4 (#24)
| Benchmark | ERNIE 5.1 | Muse Spark |
|---|---|---|
| LMArena Vision | — | 1306 |
| LMArena Document | — | 1444 |
Multilingual Too close to call
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 Too close to call
ERNIE 5.1: 76.7 (#37), Muse Spark: 75.9 (#51)
| Benchmark | ERNIE 5.1 | Muse Spark |
|---|---|---|
| LMArena Instruction Following | 1460 | 1442 |
Long Context Too close to call
ERNIE 5.1: 44.7 (#59), Muse Spark: 44.4 (#69)
| Benchmark | ERNIE 5.1 | Muse Spark |
|---|---|---|
| LMArena Longer Query | 1462 | 1451 |
Writing & Preference Too close to call
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 |
Frequently asked questions
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.