# ERNIE 5.1 vs Qwen3.5 Plus

> ERNIE 5.1 and Qwen3.5 Plus score almost the same on the Noometry Index (43.8 vs 42.9), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/ernie-5-1-vs-qwen3-5-plus
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Qwen3.5 Plus leads 32.8 to 21.9.

## Snapshot

| | ERNIE 5.1 | Qwen3.5 Plus |
|---|---|---|
| Provider | Baidu | Alibaba (Qwen) |
| Noometry Index | 43.8 | 42.9 |
| Rank | 83 | 106 |
| Context | — | 1M |
| Input $/M | — | $0.40 |
| Output $/M | — | $2.40 |
| Weights | Proprietary | Proprietary |

## Coding

- ERNIE 5.1: 44.0 (#76)
- Qwen3.5 Plus: —

| Benchmark | ERNIE 5.1 | Qwen3.5 Plus |
|---|---|---|
| LMArena Coding | 1488 | — |
| ALE-Bench | — | 621.92 |

## Agentic & Tool Use

- ERNIE 5.1: —
- Qwen3.5 Plus: —

| Benchmark | ERNIE 5.1 | Qwen3.5 Plus |
|---|---|---|
| LMArena Search | 1227 | — |
| Vending-Bench 2 | — | 0.54 |

## Reasoning

- ERNIE 5.1: 21.9 (#211)
- Qwen3.5 Plus: 32.8 (#74)

| Benchmark | ERNIE 5.1 | Qwen3.5 Plus |
|---|---|---|
| NYT Connections (extended) | 23.4% | — |
| Chess Puzzles | — | 22% |
| LMArena Hard Prompts | 1481 | — |
| Mystery Game Puzzles | — | 17% |
| DTBench | — | 80.5% |
| LMCA | — | 36.4% |
| Epoch Capabilities Index | — | 146.78 |

## Math

- ERNIE 5.1: 40.3 (#92)
- Qwen3.5 Plus: 49.6 (#61)

| Benchmark | ERNIE 5.1 | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 86.7% |
| LMArena Math | 1481 | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- ERNIE 5.1: 41.9 (#102)
- Qwen3.5 Plus: 46.0 (#83)

| Benchmark | ERNIE 5.1 | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | — | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 1492 | — |

## Multilingual

- ERNIE 5.1: 55.5 (#29)
- Qwen3.5 Plus: —

| Benchmark | ERNIE 5.1 | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1454 | — |
| LMArena Chinese | 1508 | — |
| LMArena French | 1488 | — |
| LMArena German | 1470 | — |
| LMArena Japanese | 1422 | — |
| LMArena Korean | 1427 | — |
| LMArena Russian | 1459 | — |
| LMArena Spanish | 1473 | — |

## Instruction Following

- ERNIE 5.1: 76.7 (#37)
- Qwen3.5 Plus: —

| Benchmark | ERNIE 5.1 | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1460 | — |

## Long Context

- ERNIE 5.1: 44.7 (#59)
- Qwen3.5 Plus: 43.0 (#113)

| Benchmark | ERNIE 5.1 | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1462 | — |

## Writing & Preference

- ERNIE 5.1: 65.1 (#52)
- Qwen3.5 Plus: —

| Benchmark | ERNIE 5.1 | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1468 | — |
| LMArena Creative Writing | 1441 | — |
| LMArena Multi-Turn | 1471 | — |

## FAQ

### Is ERNIE 5.1 better than Qwen3.5 Plus?

ERNIE 5.1 and Qwen3.5 Plus score almost the same on the Noometry Index (43.8 vs 42.9), so choose on price, context window or the category you care about most.

### How many benchmarks do ERNIE 5.1 and Qwen3.5 Plus share?

0 benchmarks have published results for both models. ERNIE 5.1 has 19 scored results on Noometry and Qwen3.5 Plus has 15.