# Qwen1.5 4b Chat vs Yi-34B

> Qwen1.5 4b Chat and Yi-34B score almost the same on the Noometry Index (28.3 vs 27.4), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/qwen1-5-4b-chat-vs-yi-34b
- Last updated: 2026-10-10
- Shared benchmarks: 13

## Summary

- They share 13 benchmarks with published results for both. Qwen1.5 4b Chat scores higher in 2 categories and Yi-34B in 6 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Qwen1.5 4b Chat leads 26.2 to 7.5.

## Snapshot

| | Qwen1.5 4b Chat | Yi-34B |
|---|---|---|
| Provider | Alibaba (Qwen) | 01.AI |
| Noometry Index | 28.3 | 27.4 |
| Rank | 319 | 325 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Qwen1.5 4b Chat: 28.6 (#305)
- Yi-34B: 31.8 (#269)

| Benchmark | Qwen1.5 4b Chat | Yi-34B |
|---|---|---|
| LMArena Coding | 999 | 1112 |

## Reasoning

- Qwen1.5 4b Chat: 17.7 (#277)
- Yi-34B: 20.3 (#222)

| Benchmark | Qwen1.5 4b Chat | Yi-34B |
|---|---|---|
| LMArena Hard Prompts | 976 | 1104 |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | — | 117.28 |

## Math

- Qwen1.5 4b Chat: 27.9 (#233)
- Yi-34B: 19.8 (#277)

| Benchmark | Qwen1.5 4b Chat | Yi-34B |
|---|---|---|
| LMArena Math | 1026 | 1114 |
| MATH Level 5 | — | 5.1% |
| GSM8K | — | 76% |

## Knowledge

- Qwen1.5 4b Chat: 26.2 (#252)
- Yi-34B: 7.5 (#304)

| Benchmark | Qwen1.5 4b Chat | Yi-34B |
|---|---|---|
| LMArena Expert | 980 | 1061 |
| GPQA Diamond | — | 14.7% |
| MMLU | — | 76.3% |

## Multilingual

- Qwen1.5 4b Chat: 24.2 (#285)
- Yi-34B: 29.9 (#259)

| Benchmark | Qwen1.5 4b Chat | Yi-34B |
|---|---|---|
| LMArena Non-English | 979 | 1079 |
| LMArena Chinese | 1024 | 1175 |
| LMArena German | 902 | 1042 |
| LMArena Russian | 952 | 1050 |
| LMArena French | — | 1080 |
| LMArena Japanese | — | 993 |
| LMArena Korean | — | 959 |
| LMArena Spanish | — | 1070 |

## Instruction Following

- Qwen1.5 4b Chat: 49.3 (#295)
- Yi-34B: 56.4 (#269)

| Benchmark | Qwen1.5 4b Chat | Yi-34B |
|---|---|---|
| LMArena Instruction Following | 979 | 1091 |

## Long Context

- Qwen1.5 4b Chat: 30.1 (#285)
- Yi-34B: 33.2 (#259)

| Benchmark | Qwen1.5 4b Chat | Yi-34B |
|---|---|---|
| LMArena Longer Query | 988 | 1094 |

## Writing & Preference

- Qwen1.5 4b Chat: 23.9 (#304)
- Yi-34B: 34.3 (#268)

| Benchmark | Qwen1.5 4b Chat | Yi-34B |
|---|---|---|
| LMArena Text | 997 | 1129 |
| LMArena Creative Writing | 969 | 1108 |
| LMArena Multi-Turn | 977 | 1113 |

## FAQ

### Is Qwen1.5 4b Chat better than Yi-34B?

Qwen1.5 4b Chat and Yi-34B score almost the same on the Noometry Index (28.3 vs 27.4), so choose on price, context window or the category you care about most.

### Is Qwen1.5 4b Chat or Yi-34B better for coding?

Yi-34B scores higher on coding benchmarks: 31.8 versus 28.6 in the Noometry coding category.

### How many benchmarks do Qwen1.5 4b Chat and Yi-34B share?

13 benchmarks have published results for both models. Qwen1.5 4b Chat has 13 scored results on Noometry and Yi-34B has 23.