# ERNIE 5.1 vs Gemini 3.1 Flash Lite

> ERNIE 5.1 is the stronger model overall, scoring 43.8 to 40.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/ernie-5-1-vs-gemini-3-1-flash-lite
- Last updated: 2026-10-12
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. ERNIE 5.1 scores higher in 6 categories and Gemini 3.1 Flash Lite in 2 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in coding, where ERNIE 5.1 leads 44.0 to 37.8.
- The biggest single-benchmark swing is NYT Connections (extended): 23.4% for ERNIE 5.1 and 8.2% for Gemini 3.1 Flash Lite.

## Snapshot

| | ERNIE 5.1 | Gemini 3.1 Flash Lite |
|---|---|---|
| Provider | Baidu | Google |
| Noometry Index | 43.8 | 40.8 |
| Rank | 83 | 144 |
| Context | — | 1.05M |
| Input $/M | — | $0.25 |
| Output $/M | — | $1.50 |
| Weights | Proprietary | Proprietary |

## Coding

- ERNIE 5.1: 44.0 (#76)
- Gemini 3.1 Flash Lite: 37.8 (#188)

| Benchmark | ERNIE 5.1 | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Coding | 1488 | 1400 |
| LMArena WebDev | — | 1256 |
| SciCode | — | 41.9% |
| WeirdML | — | 52.2% |
| ALE-Bench | — | 797.73 |

## Agentic & Tool Use

- ERNIE 5.1: —
- Gemini 3.1 Flash Lite: 30.2 (#79)

| Benchmark | ERNIE 5.1 | Gemini 3.1 Flash Lite |
|---|---|---|
| DeepResearch Bench | — | 37.3% |
| LMArena Search | 1227 | — |

## Reasoning

- ERNIE 5.1: 21.9 (#211)
- Gemini 3.1 Flash Lite: 22.9 (#186)

| Benchmark | ERNIE 5.1 | Gemini 3.1 Flash Lite |
|---|---|---|
| NYT Connections (extended) | 23.4% | 8.2% |
| LMArena Hard Prompts | 1481 | 1407 |
| Kagi LLM Benchmark | — | 67.2% |
| CritPt | — | 1.1% |
| Chess Puzzles | — | 25% |
| EnigmaEval | — | 3% |
| Thematic Generalization | — | 63.3% |
| DTBench | — | 76.8% |
| LMCA | — | 35% |
| Epoch Capabilities Index | — | 144.47 |
| ForecastBench | — | 54.4 |

## Math

- ERNIE 5.1: 40.3 (#92)
- Gemini 3.1 Flash Lite: 40.7 (#90)

| Benchmark | ERNIE 5.1 | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Math | 1481 | 1428 |
| FrontierMath (Tiers 1-3) | — | 27.7% |
| OTIS Mock AIME 2024-2025 | — | 80% |

## Knowledge

- ERNIE 5.1: 41.9 (#102)
- Gemini 3.1 Flash Lite: 41.9 (#104)

| Benchmark | ERNIE 5.1 | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Expert | 1492 | 1398 |
| GPQA Diamond | — | 81.8% |
| Humanity's Last Exam | — | 8.6% |
| Vectara Hallucination Rate | — | 8.2% |

## Multimodal

- ERNIE 5.1: —
- Gemini 3.1 Flash Lite: 39.4 (#60)

| Benchmark | ERNIE 5.1 | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Vision | — | 1240 |

## Multilingual

- ERNIE 5.1: 55.5 (#29)
- Gemini 3.1 Flash Lite: 52.3 (#86)

| Benchmark | ERNIE 5.1 | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Non-English | 1454 | 1411 |
| LMArena Chinese | 1508 | 1461 |
| LMArena French | 1488 | 1424 |
| LMArena German | 1470 | 1429 |
| LMArena Japanese | 1422 | 1413 |
| LMArena Korean | 1427 | 1392 |
| LMArena Russian | 1459 | 1420 |
| LMArena Spanish | 1473 | 1421 |

## Instruction Following

- ERNIE 5.1: 76.7 (#37)
- Gemini 3.1 Flash Lite: 72.7 (#131)

| Benchmark | ERNIE 5.1 | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Instruction Following | 1460 | 1377 |

## Long Context

- ERNIE 5.1: 44.7 (#59)
- Gemini 3.1 Flash Lite: 42.5 (#122)

| Benchmark | ERNIE 5.1 | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Longer Query | 1462 | 1394 |

## Writing & Preference

- ERNIE 5.1: 65.1 (#52)
- Gemini 3.1 Flash Lite: 60.9 (#94)

| Benchmark | ERNIE 5.1 | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Text | 1468 | 1416 |
| LMArena Creative Writing | 1441 | 1401 |
| LMArena Multi-Turn | 1471 | 1417 |

## FAQ

### Is ERNIE 5.1 better than Gemini 3.1 Flash Lite?

ERNIE 5.1 is the stronger model overall, scoring 43.8 to 40.8 on the Noometry Index.

### Is ERNIE 5.1 or Gemini 3.1 Flash Lite better for coding?

ERNIE 5.1 scores higher on coding benchmarks: 44.0 versus 37.8 in the Noometry coding category.

### How many benchmarks do ERNIE 5.1 and Gemini 3.1 Flash Lite share?

18 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Gemini 3.1 Flash Lite has 38.