# Qwen3.5 Plus vs Yi-Lightning

> Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 36.5 on the Noometry Index.

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

## Summary

- The widest gap is in math, where Qwen3.5 Plus leads 47.9 to 33.5.

## Snapshot

| | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| Provider | Alibaba (Qwen) | 01.AI |
| Noometry Index | 42.3 | 36.5 |
| Rank | 103 | 206 |
| Context | 1M | — |
| Input $/M | $0.40 | — |
| Output $/M | $2.40 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Qwen3.5 Plus: —
- Yi-Lightning: 27.0 (#315)

| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| Aider Polyglot | — | 12.9% |
| LMArena Coding | — | 1313 |
| ALE-Bench | 621.92 | — |

## Agentic & Tool Use

- Qwen3.5 Plus: —
- Yi-Lightning: —

| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| Vending-Bench 2 | 0.54 | — |

## Reasoning

- Qwen3.5 Plus: 32.0 (#67)
- Yi-Lightning: 24.9 (#137)

| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| Chess Puzzles | 22% | — |
| LMArena Hard Prompts | — | 1302 |
| Mystery Game Puzzles | 17% | — |
| DTBench | 80.5% | — |
| LMCA | 36.4% | — |
| Epoch Capabilities Index | 146.79 | — |

## Math

- Qwen3.5 Plus: 47.9 (#55)
- Yi-Lightning: 33.5 (#173)

| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 86.7% | — |
| LMArena Math | — | 1300 |
| FrontierMath (Feb 2025 set) | 21% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |

## Knowledge

- Qwen3.5 Plus: 46.0 (#78)
- Yi-Lightning: 34.8 (#182)

| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| GPQA Diamond | 84.8% | — |
| SimpleQA Verified | 25.4% | — |
| Vectara Hallucination Rate | 10.7% | — |
| LMArena Expert | — | 1286 |

## Multilingual

- Qwen3.5 Plus: —
- Yi-Lightning: 42.4 (#191)

| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| LMArena Non-English | — | 1269 |
| LMArena Chinese | — | 1320 |
| LMArena French | — | 1304 |
| LMArena German | — | 1267 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Russian | — | 1255 |
| LMArena Spanish | — | 1315 |

## Instruction Following

- Qwen3.5 Plus: —
- Yi-Lightning: 67.6 (#191)

| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | — | 1278 |

## Long Context

- Qwen3.5 Plus: 42.9 (#109)
- Yi-Lightning: 39.4 (#176)

| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| CL-bench | 19.8% | — |
| CL-bench Life | 12.4% | — |
| LMArena Longer Query | — | 1297 |

## Writing & Preference

- Qwen3.5 Plus: —
- Yi-Lightning: 50.4 (#178)

| Benchmark | Qwen3.5 Plus | Yi-Lightning |
|---|---|---|
| LMArena Text | — | 1302 |
| LMArena Creative Writing | — | 1280 |
| LMArena Multi-Turn | — | 1311 |

## FAQ

### Is Qwen3.5 Plus better than Yi-Lightning?

Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 36.5 on the Noometry Index.

### How many benchmarks do Qwen3.5 Plus and Yi-Lightning share?

0 benchmarks have published results for both models. Qwen3.5 Plus has 15 scored results on Noometry and Yi-Lightning has 18.