Model comparison
ERNIE 5.1 vs Mercury
ERNIE 5.1 is the stronger model overall, scoring 43.1 to 37.3 on the Noometry Index.
Last verified . 8 shared benchmarks.
BaiduSummary
- They share 8 benchmarks with published results for both. ERNIE 5.1 scores higher in 6 categories and Mercury in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where ERNIE 5.1 leads 65.3 to 46.2.
Side by side
| ERNIE 5.1 | Mercury | |
|---|---|---|
| Provider | Baidu | Inception |
| Noometry Index | 43.1 | 37.3 |
| Released | — | — |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 19 | 9 |
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Category by category
Coding ERNIE 5.1 leads
ERNIE 5.1: 43.4 (#78), Mercury: 38.1 (#164)
| Benchmark | ERNIE 5.1 | Mercury |
|---|---|---|
| LMArena Coding | 1488 | 1323 |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, Mercury: —
| Benchmark | ERNIE 5.1 | Mercury |
|---|---|---|
| LMArena Search | 1227 | — |
Reasoning ERNIE 5.1 leads
ERNIE 5.1: 20.9 (#209), Mercury: 16.8 (#288)
| Benchmark | ERNIE 5.1 | Mercury |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1284 |
| Kagi LLM Benchmark | — | 21.6% |
| NYT Connections (extended) | 23.4% | — |
Math Not comparable
ERNIE 5.1: 37.5 (#96), Mercury: —
| Benchmark | ERNIE 5.1 | Mercury |
|---|---|---|
| LMArena Math | 1481 | — |
Knowledge Not comparable
ERNIE 5.1: 41.2 (#103), Mercury: —
| Benchmark | ERNIE 5.1 | Mercury |
|---|---|---|
| LMArena Expert | 1491 | — |
Multilingual ERNIE 5.1 leads
ERNIE 5.1: 55.7 (#28), Mercury: 41.7 (#201)
| Benchmark | ERNIE 5.1 | Mercury |
|---|---|---|
| LMArena Non-English | 1455 | 1259 |
| LMArena Chinese | 1507 | — |
| LMArena French | 1486 | — |
| LMArena German | 1470 | — |
| LMArena Japanese | 1422 | — |
| LMArena Korean | 1428 | — |
| LMArena Russian | 1459 | — |
| LMArena Spanish | 1472 | — |
Instruction Following ERNIE 5.1 leads
ERNIE 5.1: 76.9 (#35), Mercury: 65.3 (#220)
| Benchmark | ERNIE 5.1 | Mercury |
|---|---|---|
| LMArena Instruction Following | 1460 | 1238 |
Long Context ERNIE 5.1 leads
ERNIE 5.1: 44.7 (#56), Mercury: 38.3 (#193)
| Benchmark | ERNIE 5.1 | Mercury |
|---|---|---|
| LMArena Longer Query | 1462 | 1264 |
Writing & Preference ERNIE 5.1 leads
ERNIE 5.1: 65.3 (#50), Mercury: 46.2 (#216)
| Benchmark | ERNIE 5.1 | Mercury |
|---|---|---|
| LMArena Text | 1468 | 1282 |
| LMArena Creative Writing | 1440 | 1186 |
| LMArena Multi-Turn | 1471 | 1283 |
Frequently asked questions
Is ERNIE 5.1 better than Mercury?
ERNIE 5.1 is the stronger model overall, scoring 43.1 to 37.3 on the Noometry Index.
Is ERNIE 5.1 or Mercury better for coding?
ERNIE 5.1 scores higher on coding benchmarks: 43.4 versus 38.1 in the Noometry coding category.
How many benchmarks do ERNIE 5.1 and Mercury share?
8 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Mercury has 9.