Model comparison
ERNIE 5.1 vs Gemini 2.5 Flash
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 39.3 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. ERNIE 5.1 scores higher in 7 categories and Gemini 2.5 Flash in 1 category; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where ERNIE 5.1 leads 65.1 to 53.8.
Side by side
| ERNIE 5.1 | Gemini 2.5 Flash | |
|---|---|---|
| Provider | Baidu | |
| Noometry Index | 43.8 | 39.3 |
| Released | — | 2025-04-17 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $2.50 |
| Results tracked | 19 | 54 |
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Category by category
Coding ERNIE 5.1 leads
ERNIE 5.1: 44.0 (#76), Gemini 2.5 Flash: 35.8 (#220)
| Benchmark | ERNIE 5.1 | Gemini 2.5 Flash |
|---|---|---|
| LMArena Coding | 1488 | 1424 |
| SWE-bench Verified (bash only) | — | 28.7% |
| Aider Polyglot | — | 55.1% |
| WeirdML | — | 41.9% |
| ALE-Bench | — | 661.88 |
Agentic & Tool Use Not comparable
ERNIE 5.1: —, Gemini 2.5 Flash: 30.8 (#74)
| Benchmark | ERNIE 5.1 | Gemini 2.5 Flash |
|---|---|---|
| Terminal-Bench | — | 17.1% |
| Berkeley Function Calling Leaderboard | — | 56.2% |
| TheAgentCompany | — | 41.1% |
| BALROG | — | 33.5% |
| LMArena Search | 1227 | — |
| Vending-Bench 2 | — | 548.84 |
Reasoning ERNIE 5.1 leads
ERNIE 5.1: 21.9 (#211), Gemini 2.5 Flash: 18.1 (#286)
| Benchmark | ERNIE 5.1 | Gemini 2.5 Flash |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1422 |
| ARC-AGI-2 | — | 2.5% |
| SimpleBench | — | 41.2% |
| Kagi LLM Benchmark | — | 56.8% |
| NYT Connections (extended) | 23.4% | — |
| ARC-AGI-1 | — | 33.3% |
| CritPt | — | 1.1% |
| EnigmaEval | — | 2.7% |
| DTBench | — | 76.5% |
| LMCA | — | 27.5% |
| Epoch Capabilities Index | — | 143.03 |
| ForecastBench | — | 60.6 |
Math Too close to call
ERNIE 5.1: 40.3 (#92), Gemini 2.5 Flash: 39.9 (#98)
| Benchmark | ERNIE 5.1 | Gemini 2.5 Flash |
|---|---|---|
| LMArena Math | 1481 | 1415 |
| OTIS Mock AIME 2024-2025 | — | 73.1% |
| Omni-MATH | — | 38.5% |
| FrontierMath (Feb 2025 set) | — | 4.8% |
| FrontierMath Tier 4 (v1) | — | 4.2% |
Knowledge ERNIE 5.1 leads
ERNIE 5.1: 41.9 (#102), Gemini 2.5 Flash: 36.4 (#168)
| Benchmark | ERNIE 5.1 | Gemini 2.5 Flash |
|---|---|---|
| LMArena Expert | 1492 | 1426 |
| Humanity's Last Exam | — | 12.1% |
| MMLU-Pro | — | 63.9% |
| Confabulations | — | 16.8% |
| Vectara Hallucination Rate | — | 7.8% |
| GPQA (HELM) | — | 39% |
Multimodal Not comparable
ERNIE 5.1: —, Gemini 2.5 Flash: 41.8 (#32)
| Benchmark | ERNIE 5.1 | Gemini 2.5 Flash |
|---|---|---|
| LMArena Vision | — | 1253 |
| GeoBench | — | 76% |
| VPCT | — | 46.2% |
| SpatialViz-Bench | — | 36.9% |
Multilingual ERNIE 5.1 leads
ERNIE 5.1: 55.5 (#29), Gemini 2.5 Flash: 52.3 (#88)
| Benchmark | ERNIE 5.1 | Gemini 2.5 Flash |
|---|---|---|
| LMArena Non-English | 1454 | 1409 |
| LMArena Chinese | 1508 | 1450 |
| LMArena French | 1488 | 1433 |
| LMArena German | 1470 | 1418 |
| LMArena Japanese | 1422 | 1405 |
| LMArena Korean | 1427 | 1385 |
| LMArena Russian | 1459 | 1415 |
| LMArena Spanish | 1473 | 1421 |
Instruction Following Too close to call
ERNIE 5.1: 76.7 (#37), Gemini 2.5 Flash: 75.7 (#54)
| Benchmark | ERNIE 5.1 | Gemini 2.5 Flash |
|---|---|---|
| LMArena Instruction Following | 1460 | 1405 |
| IFEval | — | 89.8% |
Long Context Gemini 2.5 Flash leads
ERNIE 5.1: 44.7 (#59), Gemini 2.5 Flash: 47.5 (#17)
| Benchmark | ERNIE 5.1 | Gemini 2.5 Flash |
|---|---|---|
| LMArena Longer Query | 1462 | 1419 |
| Fiction.LiveBench | — | 77.8% |
Writing & Preference ERNIE 5.1 leads
ERNIE 5.1: 65.1 (#52), Gemini 2.5 Flash: 53.8 (#157)
| Benchmark | ERNIE 5.1 | Gemini 2.5 Flash |
|---|---|---|
| LMArena Text | 1468 | 1417 |
| LMArena Creative Writing | 1441 | 1400 |
| LMArena Multi-Turn | 1471 | 1408 |
| Short-Story Creative Writing | — | 76.5% |
| EQ-Bench Creative Writing | — | 1137 |
| WildBench | — | 81.7% |
Frequently asked questions
Is ERNIE 5.1 better than Gemini 2.5 Flash?
ERNIE 5.1 is the stronger model overall, scoring 43.8 to 39.3 on the Noometry Index.
Is ERNIE 5.1 or Gemini 2.5 Flash better for coding?
ERNIE 5.1 scores higher on coding benchmarks: 44.0 versus 35.8 in the Noometry coding category.
How many benchmarks do ERNIE 5.1 and Gemini 2.5 Flash share?
17 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Gemini 2.5 Flash has 54.