# ERNIE 5.1 vs Gemini 3.5 Flash

> Gemini 3.5 Flash is the stronger model overall, scoring 54.1 to 43.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/ernie-5-1-vs-gemini-3-5-flash
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. ERNIE 5.1 scores higher in 0 categories and Gemini 3.5 Flash in 8 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.5 Flash leads 62.7 to 20.9.
- The biggest single-benchmark swing is NYT Connections (extended): 23.4% for ERNIE 5.1 and 92.6% for Gemini 3.5 Flash.

## Snapshot

| | ERNIE 5.1 | Gemini 3.5 Flash |
|---|---|---|
| Provider | Baidu | Google |
| Noometry Index | 43.1 | 54.1 |
| Rank | 87 | 29 |
| Context | — | 1.05M |
| Input $/M | — | $1.50 |
| Output $/M | — | $9 |
| Weights | Proprietary | Proprietary |

## Coding

- ERNIE 5.1: 43.4 (#78)
- Gemini 3.5 Flash: 49.1 (#46)

| Benchmark | ERNIE 5.1 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Coding | 1488 | 1492 |
| SWE-bench Verified | — | 79.3% |
| DeepSWE | — | 37.4% |
| LMArena WebDev | — | 1499 |
| SciCode | — | 53.1% |
| WeirdML | — | 62.6% |
| ALE-Bench | — | 911.02 |

## Agentic & Tool Use

- ERNIE 5.1: —
- Gemini 3.5 Flash: 24.8 (#107)

| Benchmark | ERNIE 5.1 | Gemini 3.5 Flash |
|---|---|---|
| APEX-Agents | — | 27.5% |
| GBAEval | — | 6.7% |
| GDP.pdf | — | 14% |
| LMArena Search | 1227 | — |
| Vending-Bench 2 | — | 5,396 |

## Reasoning

- ERNIE 5.1: 20.9 (#209)
- Gemini 3.5 Flash: 62.7 (#16)

| Benchmark | ERNIE 5.1 | Gemini 3.5 Flash |
|---|---|---|
| NYT Connections (extended) | 23.4% | 92.6% |
| LMArena Hard Prompts | 1481 | 1488 |
| ARC-AGI-2 | — | 72.1% |
| SimpleBench | — | 76.7% |
| ARC-AGI-1 | — | 92.5% |
| CritPt | — | 13.1% |
| Chess Puzzles | — | 50% |
| EnigmaEval | — | 25.4% |
| EBR-Bench | — | 4.8% |
| Mystery Game Puzzles | — | 32% |
| DTBench | — | 94.7% |
| LMCA | — | 47.1% |
| Surface Evolver Bench | — | 58.1% |
| Epoch Capabilities Index | — | 154.55 |
| ForecastBench | — | 59 |

## Math

- ERNIE 5.1: 37.5 (#96)
- Gemini 3.5 Flash: 60.5 (#30)

| Benchmark | ERNIE 5.1 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Math | 1481 | 1502 |
| FrontierMath (Tiers 1-3) | — | 62.8% |
| FrontierMath Tier 4 | — | 26.8% |
| MathArena Final-Answer Competitions | — | 76.3% |
| OTIS Mock AIME 2024-2025 | — | 95.6% |
| ProofBench | — | 31% |
| FrontierMath (Feb 2025 set) | — | 39% |
| FrontierMath Tier 4 (v1) | — | 14.6% |

## Knowledge

- ERNIE 5.1: 41.2 (#103)
- Gemini 3.5 Flash: 66.3 (#10)

| Benchmark | ERNIE 5.1 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Expert | 1491 | 1493 |
| GPQA Diamond | — | 92.8% |
| SimpleQA Verified | — | 66.2% |

## Multimodal

- ERNIE 5.1: —
- Gemini 3.5 Flash: 45.7 (#13)

| Benchmark | ERNIE 5.1 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Vision | — | 1311 |
| Blueprint-Bench 2 | — | 33.6% |
| LMArena Document | — | 1463 |

## Multilingual

- ERNIE 5.1: 55.7 (#28)
- Gemini 3.5 Flash: 57.1 (#12)

| Benchmark | ERNIE 5.1 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Non-English | 1455 | 1475 |
| LMArena Chinese | 1507 | 1525 |
| LMArena French | 1486 | 1490 |
| LMArena German | 1470 | 1500 |
| LMArena Japanese | 1422 | 1481 |
| LMArena Korean | 1428 | 1453 |
| LMArena Russian | 1459 | 1491 |
| LMArena Spanish | 1472 | 1478 |

## Instruction Following

- ERNIE 5.1: 76.9 (#35)
- Gemini 3.5 Flash: 77.2 (#29)

| Benchmark | ERNIE 5.1 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | 1460 | 1466 |

## Long Context

- ERNIE 5.1: 44.7 (#56)
- Gemini 3.5 Flash: 45.3 (#39)

| Benchmark | ERNIE 5.1 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Longer Query | 1462 | 1481 |

## Writing & Preference

- ERNIE 5.1: 65.3 (#50)
- Gemini 3.5 Flash: 65.5 (#46)

| Benchmark | ERNIE 5.1 | Gemini 3.5 Flash |
|---|---|---|
| LMArena Text | 1468 | 1481 |
| LMArena Creative Writing | 1440 | 1467 |
| LMArena Multi-Turn | 1471 | 1482 |
| EQ-Bench 4 | — | 1087 |

## FAQ

### Is ERNIE 5.1 better than Gemini 3.5 Flash?

Gemini 3.5 Flash is the stronger model overall, scoring 54.1 to 43.1 on the Noometry Index.

### Is ERNIE 5.1 or Gemini 3.5 Flash better for coding?

Gemini 3.5 Flash scores higher on coding benchmarks: 49.1 versus 43.4 in the Noometry coding category.

### How many benchmarks do ERNIE 5.1 and Gemini 3.5 Flash share?

18 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Gemini 3.5 Flash has 54.