Model comparison
ERNIE 5.1 vs Grok-3 mini
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 41.2 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 5 categories and Grok-3 mini in 3 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where ERNIE 5.1 leads 65.1 to 52.5.
Side by side
| ERNIE 5.1 | Grok-3 mini | |
|---|---|---|
| Provider | Baidu | xAI |
| Noometry Index | 43.8 | 41.2 |
| Released | — | 2025-04-09 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 19 | 35 |
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Category by category
Coding ERNIE 5.1 leads
ERNIE 5.1: 44.0 (#76), Grok-3 mini: 40.8 (#131)
| Benchmark | ERNIE 5.1 | Grok-3 mini |
|---|---|---|
| LMArena Coding | 1488 | 1379 |
| Aider Polyglot | — | 49.3% |
| WeirdML | — | 42.6% |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, Grok-3 mini: —
| Benchmark | ERNIE 5.1 | Grok-3 mini |
|---|---|---|
| LMArena Search | 1227 | — |
Reasoning ERNIE 5.1 leads
ERNIE 5.1: 21.9 (#211), Grok-3 mini: 13.6 (#334)
| Benchmark | ERNIE 5.1 | Grok-3 mini |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1375 |
| ARC-AGI-2 | — | 0.4% |
| Kagi LLM Benchmark | — | 61.3% |
| NYT Connections (extended) | 23.4% | — |
| ARC-AGI-1 | — | 16.5% |
| Epoch Capabilities Index | — | 140.35 |
Math Grok-3 mini leads
ERNIE 5.1: 40.3 (#92), Grok-3 mini: 42.1 (#85)
| Benchmark | ERNIE 5.1 | Grok-3 mini |
|---|---|---|
| LMArena Math | 1481 | 1386 |
| OTIS Mock AIME 2024-2025 | — | 77.8% |
| Omni-MATH | — | 31.8% |
| MATH Level 5 | — | 90.9% |
| FrontierMath (Feb 2025 set) | — | 5.9% |
Knowledge Grok-3 mini leads
ERNIE 5.1: 41.9 (#102), Grok-3 mini: 46.4 (#81)
| Benchmark | ERNIE 5.1 | Grok-3 mini |
|---|---|---|
| LMArena Expert | 1492 | 1395 |
| GPQA Diamond | — | 76.3% |
| MMLU-Pro | — | 79.9% |
| Confabulations | — | 10.8% |
| GPQA (HELM) | — | 67.5% |
Multilingual ERNIE 5.1 leads
ERNIE 5.1: 55.5 (#29), Grok-3 mini: 48.1 (#145)
| Benchmark | ERNIE 5.1 | Grok-3 mini |
|---|---|---|
| LMArena Non-English | 1454 | 1352 |
| LMArena Chinese | 1508 | 1387 |
| LMArena French | 1488 | 1357 |
| LMArena German | 1470 | 1349 |
| LMArena Japanese | 1422 | 1342 |
| LMArena Korean | 1427 | 1335 |
| LMArena Russian | 1459 | 1353 |
| LMArena Spanish | 1473 | 1381 |
Instruction Following Grok-3 mini leads
ERNIE 5.1: 76.7 (#37), Grok-3 mini: 78.5 (#9)
| Benchmark | ERNIE 5.1 | Grok-3 mini |
|---|---|---|
| LMArena Instruction Following | 1460 | 1357 |
| IFEval | — | 95.1% |
Long Context ERNIE 5.1 leads
ERNIE 5.1: 44.7 (#59), Grok-3 mini: 41.0 (#147)
| Benchmark | ERNIE 5.1 | Grok-3 mini |
|---|---|---|
| LMArena Longer Query | 1462 | 1372 |
| Fiction.LiveBench | — | 66.7% |
Writing & Preference ERNIE 5.1 leads
ERNIE 5.1: 65.1 (#52), Grok-3 mini: 52.5 (#169)
| Benchmark | ERNIE 5.1 | Grok-3 mini |
|---|---|---|
| LMArena Text | 1468 | 1370 |
| LMArena Creative Writing | 1441 | 1342 |
| LMArena Multi-Turn | 1471 | 1355 |
| Short-Story Creative Writing | — | 73.5% |
| WildBench | — | 65.1% |
Frequently asked questions
Is ERNIE 5.1 better than Grok-3 mini?
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 41.2 on the Noometry Index.
Is ERNIE 5.1 or Grok-3 mini 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 Grok-3 mini share?
17 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Grok-3 mini has 35.