Model comparison
ERNIE 5.1 vs Grok 4.1
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 41.5 on the Noometry Index.
Last verified . 17 shared benchmarks.
BaiduSummary
- They share 17 benchmarks with published results for both. ERNIE 5.1 scores higher in 7 categories and Grok 4.1 in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where ERNIE 5.1 leads 44.0 to 33.7.
Side by side
| ERNIE 5.1 | Grok 4.1 | |
|---|---|---|
| Provider | Baidu | xAI |
| Noometry Index | 43.8 | 41.5 |
| Released | — | 2025-11-17 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 19 | 19 |
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Category by category
Coding ERNIE 5.1 leads
ERNIE 5.1: 44.0 (#76), Grok 4.1: 33.7 (#253)
| Benchmark | ERNIE 5.1 | Grok 4.1 |
|---|---|---|
| LMArena Coding | 1488 | 1445 |
| LMArena WebDev | — | 1214 |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, Grok 4.1: 34.1 (#49)
| Benchmark | ERNIE 5.1 | Grok 4.1 |
|---|---|---|
| Cybench | — | 39% |
| LMArena Search | 1227 | — |
Reasoning Grok 4.1 leads
ERNIE 5.1: 21.9 (#211), Grok 4.1: 29.5 (#91)
| Benchmark | ERNIE 5.1 | Grok 4.1 |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1435 |
| NYT Connections (extended) | 23.4% | — |
Math ERNIE 5.1 leads
ERNIE 5.1: 40.3 (#92), Grok 4.1: 38.9 (#120)
| Benchmark | ERNIE 5.1 | Grok 4.1 |
|---|---|---|
| LMArena Math | 1481 | 1422 |
Knowledge ERNIE 5.1 leads
ERNIE 5.1: 41.9 (#102), Grok 4.1: 39.5 (#133)
| Benchmark | ERNIE 5.1 | Grok 4.1 |
|---|---|---|
| LMArena Expert | 1492 | 1417 |
Multilingual ERNIE 5.1 leads
ERNIE 5.1: 55.5 (#29), Grok 4.1: 53.4 (#68)
| Benchmark | ERNIE 5.1 | Grok 4.1 |
|---|---|---|
| LMArena Non-English | 1454 | 1425 |
| LMArena Chinese | 1508 | 1465 |
| LMArena French | 1488 | 1448 |
| LMArena German | 1470 | 1446 |
| LMArena Japanese | 1422 | 1397 |
| LMArena Korean | 1427 | 1407 |
| LMArena Russian | 1459 | 1434 |
| LMArena Spanish | 1473 | 1438 |
Instruction Following ERNIE 5.1 leads
ERNIE 5.1: 76.7 (#37), Grok 4.1: 73.8 (#111)
| Benchmark | ERNIE 5.1 | Grok 4.1 |
|---|---|---|
| LMArena Instruction Following | 1460 | 1400 |
Long Context ERNIE 5.1 leads
ERNIE 5.1: 44.7 (#59), Grok 4.1: 43.2 (#100)
| Benchmark | ERNIE 5.1 | Grok 4.1 |
|---|---|---|
| LMArena Longer Query | 1462 | 1416 |
Writing & Preference ERNIE 5.1 leads
ERNIE 5.1: 65.1 (#52), Grok 4.1: 62.4 (#75)
| Benchmark | ERNIE 5.1 | Grok 4.1 |
|---|---|---|
| LMArena Text | 1468 | 1437 |
| LMArena Creative Writing | 1441 | 1411 |
| LMArena Multi-Turn | 1471 | 1437 |
Frequently asked questions
Is ERNIE 5.1 better than Grok 4.1?
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 41.5 on the Noometry Index.
Is ERNIE 5.1 or Grok 4.1 better for coding?
ERNIE 5.1 scores higher on coding benchmarks: 44.0 versus 33.7 in the Noometry coding category.
How many benchmarks do ERNIE 5.1 and Grok 4.1 share?
17 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Grok 4.1 has 19.