# Qwen3.5-9B vs Yi-34B

> Qwen3.5-9B is the stronger model overall, scoring 33.3 to 27.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/qwen3-5-9b-vs-yi-34b
- Last updated: 2026-10-10
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Qwen3.5-9B scores higher in 4 categories and Yi-34B in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Qwen3.5-9B leads 46.0 to 7.5.
- The biggest single-benchmark swing is GPQA Diamond: 79% for Qwen3.5-9B and 14.7% for Yi-34B.

## Snapshot

| | Qwen3.5-9B | Yi-34B |
|---|---|---|
| Provider | Alibaba (Qwen) | 01.AI |
| Noometry Index | 33.3 | 27.4 |
| Rank | 235 | 325 |
| Context | 262K | — |
| Input $/M | $0.10 | — |
| Output $/M | $0.15 | — |
| Weights | Open | Open |

## Coding

- Qwen3.5-9B: 35.3 (#213)
- Yi-34B: 31.8 (#269)

| Benchmark | Qwen3.5-9B | Yi-34B |
|---|---|---|
| SciCode | 27.5% | — |
| LMArena Coding | — | 1112 |

## Agentic & Tool Use

- Qwen3.5-9B: 14.4 (#143)
- Yi-34B: —

| Benchmark | Qwen3.5-9B | Yi-34B |
|---|---|---|
| Terminal-Bench | 9.2% | — |

## Reasoning

- Qwen3.5-9B: 22.5 (#178)
- Yi-34B: 20.3 (#222)

| Benchmark | Qwen3.5-9B | Yi-34B |
|---|---|---|
| Epoch Capabilities Index | 139.45 | 117.28 |
| CritPt | 0.3% | — |
| Chess Puzzles | 12% | — |
| LMArena Hard Prompts | — | 1104 |
| DTBench | 71.2% | — |
| LMCA | 24.5% | — |
| BIG-Bench Hard | — | 71.7% |

## Math

- Qwen3.5-9B: 33.5 (#174)
- Yi-34B: 19.8 (#277)

| Benchmark | Qwen3.5-9B | Yi-34B |
|---|---|---|
| MathArena Final-Answer Competitions | 48.5% | — |
| OTIS Mock AIME 2024-2025 | 61.7% | — |
| LMArena Math | — | 1114 |
| MATH Level 5 | — | 5.1% |
| GSM8K | — | 76% |

## Knowledge

- Qwen3.5-9B: 46.0 (#77)
- Yi-34B: 7.5 (#304)

| Benchmark | Qwen3.5-9B | Yi-34B |
|---|---|---|
| GPQA Diamond | 79% | 14.7% |
| LMArena Expert | — | 1061 |
| MMLU | — | 76.3% |

## Multilingual

- Qwen3.5-9B: —
- Yi-34B: 29.9 (#259)

| Benchmark | Qwen3.5-9B | Yi-34B |
|---|---|---|
| LMArena Non-English | — | 1079 |
| LMArena Chinese | — | 1175 |
| LMArena French | — | 1080 |
| LMArena German | — | 1042 |
| LMArena Japanese | — | 993 |
| LMArena Korean | — | 959 |
| LMArena Russian | — | 1050 |
| LMArena Spanish | — | 1070 |

## Instruction Following

- Qwen3.5-9B: —
- Yi-34B: 56.4 (#269)

| Benchmark | Qwen3.5-9B | Yi-34B |
|---|---|---|
| LMArena Instruction Following | — | 1091 |

## Long Context

- Qwen3.5-9B: —
- Yi-34B: 33.2 (#259)

| Benchmark | Qwen3.5-9B | Yi-34B |
|---|---|---|
| LMArena Longer Query | — | 1094 |

## Writing & Preference

- Qwen3.5-9B: —
- Yi-34B: 34.3 (#268)

| Benchmark | Qwen3.5-9B | Yi-34B |
|---|---|---|
| LMArena Text | — | 1129 |
| LMArena Creative Writing | — | 1108 |
| LMArena Multi-Turn | — | 1113 |

## FAQ

### Is Qwen3.5-9B better than Yi-34B?

Qwen3.5-9B is the stronger model overall, scoring 33.3 to 27.4 on the Noometry Index.

### Is Qwen3.5-9B or Yi-34B better for coding?

Qwen3.5-9B scores higher on coding benchmarks: 35.3 versus 31.8 in the Noometry coding category.

### How many benchmarks do Qwen3.5-9B and Yi-34B share?

2 benchmarks have published results for both models. Qwen3.5-9B has 10 scored results on Noometry and Yi-34B has 23.