Model comparison
ERNIE 5.1 vs Grok-2 (Dec 2024)
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 33.7 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 8 categories and Grok-2 (Dec 2024) in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where ERNIE 5.1 leads 40.3 to 20.8.
Side by side
| ERNIE 5.1 | Grok-2 (Dec 2024) | |
|---|---|---|
| Provider | Baidu | xAI |
| Noometry Index | 43.8 | 33.7 |
| Released | — | 2024-08-13 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 19 | 34 |
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Category by category
Coding ERNIE 5.1 leads
ERNIE 5.1: 44.0 (#76), Grok-2 (Dec 2024): 33.3 (#258)
| Benchmark | ERNIE 5.1 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Coding | 1488 | 1287 |
| WeirdML | — | 22.2% |
| LiveBench Coding | — | 46.4% |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, Grok-2 (Dec 2024): —
| Benchmark | ERNIE 5.1 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Search | 1227 | — |
Reasoning ERNIE 5.1 leads
ERNIE 5.1: 21.9 (#211), Grok-2 (Dec 2024): 16.9 (#299)
| Benchmark | ERNIE 5.1 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1272 |
| SimpleBench | — | 22.7% |
| NYT Connections (extended) | 23.4% | — |
| LiveBench Reasoning | — | 54.8% |
| DTBench | — | 65.2% |
| LiveBench Data Analysis | — | 54.5% |
| Epoch Capabilities Index | — | 130.48 |
| LiveBench | — | 54.3% |
Math ERNIE 5.1 leads
ERNIE 5.1: 40.3 (#92), Grok-2 (Dec 2024): 20.8 (#284)
| Benchmark | ERNIE 5.1 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Math | 1481 | 1283 |
| OTIS Mock AIME 2024-2025 | — | 11.5% |
| LiveBench Math | — | 54.9% |
| MATH Level 5 | — | 63.5% |
| FrontierMath (Feb 2025 set) | — | 0.7% |
Knowledge ERNIE 5.1 leads
ERNIE 5.1: 41.9 (#102), Grok-2 (Dec 2024): 29.8 (#233)
| Benchmark | ERNIE 5.1 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Expert | 1492 | 1254 |
| GPQA Diamond | — | 53.8% |
| Confabulations | — | 20.1% |
Multilingual ERNIE 5.1 leads
ERNIE 5.1: 55.5 (#29), Grok-2 (Dec 2024): 43.1 (#188)
| Benchmark | ERNIE 5.1 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Non-English | 1454 | 1282 |
| LMArena Chinese | 1508 | 1289 |
| LMArena French | 1488 | 1318 |
| LMArena German | 1470 | 1287 |
| LMArena Japanese | 1422 | 1244 |
| LMArena Korean | 1427 | 1237 |
| LMArena Russian | 1459 | 1286 |
| LMArena Spanish | 1473 | 1281 |
Instruction Following ERNIE 5.1 leads
ERNIE 5.1: 76.7 (#37), Grok-2 (Dec 2024): 66.9 (#202)
| Benchmark | ERNIE 5.1 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Instruction Following | 1460 | 1270 |
| LiveBench Instruction Following | — | 69.6% |
Long Context ERNIE 5.1 leads
ERNIE 5.1: 44.7 (#59), Grok-2 (Dec 2024): 38.8 (#190)
| Benchmark | ERNIE 5.1 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Longer Query | 1462 | 1276 |
Writing & Preference ERNIE 5.1 leads
ERNIE 5.1: 65.1 (#52), Grok-2 (Dec 2024): 48.6 (#198)
| Benchmark | ERNIE 5.1 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Text | 1468 | 1305 |
| LMArena Creative Writing | 1441 | 1284 |
| LMArena Multi-Turn | 1471 | 1290 |
| Short-Story Creative Writing | — | 63.6% |
| LiveBench Language | — | 45.6% |
Frequently asked questions
Is ERNIE 5.1 better than Grok-2 (Dec 2024)?
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 33.7 on the Noometry Index.
Is ERNIE 5.1 or Grok-2 (Dec 2024) better for coding?
ERNIE 5.1 scores higher on coding benchmarks: 44.0 versus 33.3 in the Noometry coding category.
How many benchmarks do ERNIE 5.1 and Grok-2 (Dec 2024) share?
17 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Grok-2 (Dec 2024) has 34.