Model comparison
ERNIE 5.1 vs Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 43.8 on the Noometry Index.
Last verified . 19 shared benchmarks.
Baidu
GoogleSummary
- They share 19 benchmarks with published results for both. ERNIE 5.1 scores higher in 1 category and Gemini 3.1 Pro Preview in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.1 Pro Preview leads 71.7 to 21.9.
- The biggest single-benchmark swing is NYT Connections (extended): 23.4% for ERNIE 5.1 and 97.4% for Gemini 3.1 Pro Preview.
Side by side
| ERNIE 5.1 | Gemini 3.1 Pro Preview | |
|---|---|---|
| Provider | Baidu | |
| Noometry Index | 43.8 | 56.7 |
| Released | — | 2026-02-19 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 66K |
| Input $ / M tokens | — | $2 |
| Output $ / M tokens | — | $12 |
| Results tracked | 19 | 71 |
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Category by category
Coding ERNIE 5.1 leads
ERNIE 5.1: 44.0 (#76), Gemini 3.1 Pro Preview: 42.5 (#99)
| Benchmark | ERNIE 5.1 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Coding | 1488 | 1484 |
| SWE-bench Verified | — | 75.6% |
| DeepSWE | — | 11.7% |
| LMArena WebDev | — | 1447 |
| SciCode | — | 58.9% |
| GSO | — | 22.6% |
| WeirdML | — | 72.1% |
| MirrorCode | — | 8.9% |
| ALE-Bench | — | 1,161 |
| AlgoTune | — | 2.02 |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, Gemini 3.1 Pro Preview: 37.7 (#34)
| Benchmark | ERNIE 5.1 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Search | 1227 | 1211 |
| Terminal-Bench | — | 80.2% |
| APEX-Agents | — | 35.3% |
| τ²-bench Banking | — | 26% |
| DeepResearch Bench | — | 47.8% |
| PostTrainBench | — | 22% |
| BALROG | — | 57% |
| ExploitBench | — | 26.1% |
| GBAEval | — | 0.8% |
| GDP.pdf | — | 17% |
| METR Time Horizons | — | 77% |
| Vending-Bench 2 | — | 3,774 |
Reasoning Gemini 3.1 Pro Preview leads
ERNIE 5.1: 21.9 (#211), Gemini 3.1 Pro Preview: 71.7 (#12)
| Benchmark | ERNIE 5.1 | Gemini 3.1 Pro Preview |
|---|---|---|
| NYT Connections (extended) | 23.4% | 97.4% |
| LMArena Hard Prompts | 1481 | 1485 |
| ARC-AGI-2 | — | 77.1% |
| SimpleBench | — | 79.6% |
| ARC-AGI-1 | — | 98% |
| CritPt | — | 17.7% |
| Chess Puzzles | — | 55% |
| EnigmaEval | — | 36.8% |
| Thematic Generalization | — | 79.4% |
| EBR-Bench | — | 14.3% |
| Mystery Game Puzzles | — | 34% |
| DTBench | — | 97.1% |
| LMCA | — | 53.8% |
| Epoch Capabilities Index | — | 154.77 |
| ForecastBench | — | 59 |
Math Gemini 3.1 Pro Preview leads
ERNIE 5.1: 40.3 (#92), Gemini 3.1 Pro Preview: 62.1 (#34)
| Benchmark | ERNIE 5.1 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Math | 1481 | 1485 |
| FrontierMath (Tiers 1-3) | — | 59.6% |
| FrontierMath Tier 4 | — | 26.8% |
| MathArena Final-Answer Competitions | — | 86.5% |
| OTIS Mock AIME 2024-2025 | — | 95.6% |
| ProofBench | — | 26% |
| FrontierMath (Feb 2025 set) | — | 36.9% |
| FrontierMath Tier 4 (v1) | — | 16.7% |
Knowledge Gemini 3.1 Pro Preview leads
ERNIE 5.1: 41.9 (#102), Gemini 3.1 Pro Preview: 71.8 (#3)
| Benchmark | ERNIE 5.1 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Expert | 1492 | 1485 |
| GPQA Diamond | — | 94.4% |
| Humanity's Last Exam | — | 46.4% |
| SimpleQA Verified | — | 73.5% |
| Vectara Hallucination Rate | — | 10.4% |
Multimodal Not comparable
ERNIE 5.1: —, Gemini 3.1 Pro Preview: 37.9 (#69)
| Benchmark | ERNIE 5.1 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Vision | — | 1296 |
| Blueprint-Bench 2 | — | 26.5% |
| Furniture Assembly | — | 26.7% |
| LMArena Document | — | 1444 |
Multilingual Gemini 3.1 Pro Preview leads
ERNIE 5.1: 55.5 (#29), Gemini 3.1 Pro Preview: 57.0 (#12)
| Benchmark | ERNIE 5.1 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Non-English | 1454 | 1477 |
| LMArena Chinese | 1508 | 1529 |
| LMArena French | 1488 | 1487 |
| LMArena German | 1470 | 1491 |
| LMArena Japanese | 1422 | 1493 |
| LMArena Korean | 1427 | 1455 |
| LMArena Russian | 1459 | 1498 |
| LMArena Spanish | 1473 | 1479 |
Instruction Following Too close to call
ERNIE 5.1: 76.7 (#37), Gemini 3.1 Pro Preview: 77.0 (#32)
| Benchmark | ERNIE 5.1 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Instruction Following | 1460 | 1466 |
Long Context Gemini 3.1 Pro Preview leads
ERNIE 5.1: 44.7 (#59), Gemini 3.1 Pro Preview: 47.4 (#18)
| Benchmark | ERNIE 5.1 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Longer Query | 1462 | 1483 |
| CL-bench | — | 20.8% |
| CL-bench Life | — | 16.9% |
Writing & Preference Gemini 3.1 Pro Preview leads
ERNIE 5.1: 65.1 (#52), Gemini 3.1 Pro Preview: 66.1 (#37)
| Benchmark | ERNIE 5.1 | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Text | 1468 | 1481 |
| LMArena Creative Writing | 1441 | 1482 |
| LMArena Multi-Turn | 1471 | 1488 |
| EQ-Bench Creative Writing | — | 1491 |
| EQ-Bench 4 | — | 1142 |
Frequently asked questions
Is ERNIE 5.1 better than Gemini 3.1 Pro Preview?
Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 43.8 on the Noometry Index.
Is ERNIE 5.1 or Gemini 3.1 Pro Preview better for coding?
ERNIE 5.1 scores higher on coding benchmarks: 44.0 versus 42.5 in the Noometry coding category.
How many benchmarks do ERNIE 5.1 and Gemini 3.1 Pro Preview share?
19 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Gemini 3.1 Pro Preview has 71.