Model comparison
ERNIE 5.1 vs Nova 2.0 Pro Preview
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 33.4 on the Noometry Index.
Last verified . 0 shared benchmarks.
BaiduSummary
- The widest gap is in coding, where ERNIE 5.1 leads 44.0 to 40.8.
Side by side
| ERNIE 5.1 | Nova 2.0 Pro Preview | |
|---|---|---|
| Provider | Baidu | Amazon |
| Noometry Index | 43.8 | 33.4 |
| Released | — | 2025-12-02 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 19 | 3 |
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Category by category
Coding ERNIE 5.1 leads
ERNIE 5.1: 44.0 (#76), Nova 2.0 Pro Preview: 40.8 (#133)
| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| SciCode | — | 42.7% |
| LMArena Coding | 1488 | — |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, Nova 2.0 Pro Preview: 21.9 (#136)
| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| GDP.pdf | — | 2% |
| LMArena Search | 1227 | — |
Reasoning Too close to call
ERNIE 5.1: 21.9 (#211), Nova 2.0 Pro Preview: 22.4 (#194)
| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| NYT Connections (extended) | 23.4% | — |
| CritPt | — | 0% |
| LMArena Hard Prompts | 1481 | — |
Math Not comparable
ERNIE 5.1: 40.3 (#92), Nova 2.0 Pro Preview: —
| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Math | 1481 | — |
Knowledge Not comparable
ERNIE 5.1: 41.9 (#102), Nova 2.0 Pro Preview: —
| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Expert | 1492 | — |
Multilingual Not comparable
ERNIE 5.1: 55.5 (#29), Nova 2.0 Pro Preview: —
| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Non-English | 1454 | — |
| LMArena Chinese | 1508 | — |
| LMArena French | 1488 | — |
| LMArena German | 1470 | — |
| LMArena Japanese | 1422 | — |
| LMArena Korean | 1427 | — |
| LMArena Russian | 1459 | — |
| LMArena Spanish | 1473 | — |
Instruction Following Not comparable
ERNIE 5.1: 76.7 (#37), Nova 2.0 Pro Preview: —
| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Instruction Following | 1460 | — |
Long Context Not comparable
ERNIE 5.1: 44.7 (#59), Nova 2.0 Pro Preview: —
| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Longer Query | 1462 | — |
Writing & Preference Not comparable
ERNIE 5.1: 65.1 (#52), Nova 2.0 Pro Preview: —
| Benchmark | ERNIE 5.1 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Text | 1468 | — |
| LMArena Creative Writing | 1441 | — |
| LMArena Multi-Turn | 1471 | — |
Frequently asked questions
Is ERNIE 5.1 better than Nova 2.0 Pro Preview?
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 33.4 on the Noometry Index.
Is ERNIE 5.1 or Nova 2.0 Pro Preview better for coding?
ERNIE 5.1 scores higher on coding benchmarks: 44.0 versus 40.8 in the Noometry coding category.
How many benchmarks do ERNIE 5.1 and Nova 2.0 Pro Preview share?
0 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Nova 2.0 Pro Preview has 3.