# Yi-1.5-34B vs Yi 6B

> Yi-1.5-34B has enough public results to be ranked (#286); Yi 6B does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/yi-1-5-34b-vs-yi-6b
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Snapshot

| | Yi-1.5-34B | Yi 6B |
|---|---|---|
| Provider | 01.AI | 01.AI |
| Noometry Index | 30.2 | — |
| Rank | 286 | — |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Yi-1.5-34B: 31.9 (#267)
- Yi 6B: —

| Benchmark | Yi-1.5-34B | Yi 6B |
|---|---|---|
| BigCodeBench Instruct | 33.9% | — |
| LMArena Coding | 1169 | — |
| BigCodeBench Complete | 43.8% | — |

## Reasoning

- Yi-1.5-34B: 21.5 (#195)
- Yi 6B: —

| Benchmark | Yi-1.5-34B | Yi 6B |
|---|---|---|
| LMArena Hard Prompts | 1160 | — |
| BIG-Bench Hard | — | 47.2% |
| Epoch Capabilities Index | — | 104.37 |
| HellaSwag | — | 74.4% |
| WinoGrande | — | 71.3% |

## Math

- Yi-1.5-34B: 25.3 (#248)
- Yi 6B: —

| Benchmark | Yi-1.5-34B | Yi 6B |
|---|---|---|
| LMArena Math | 1182 | — |
| MATH Level 5 | 25.5% | — |
| GSM8K | — | 44.9% |

## Knowledge

- Yi-1.5-34B: 14.8 (#290)
- Yi 6B: —

| Benchmark | Yi-1.5-34B | Yi 6B |
|---|---|---|
| GPQA Diamond | 32% | — |
| LMArena Expert | 1144 | — |
| ARC (AI2) Challenge | — | 50.3% |
| MMLU | — | 64% |

## Multilingual

- Yi-1.5-34B: 32.5 (#251)
- Yi 6B: —

| Benchmark | Yi-1.5-34B | Yi 6B |
|---|---|---|
| LMArena Non-English | 1121 | — |
| LMArena Chinese | 1213 | — |
| LMArena French | 1155 | — |
| LMArena German | 1111 | — |
| LMArena Japanese | 1021 | — |
| LMArena Korean | 1005 | — |
| LMArena Russian | 1091 | — |
| LMArena Spanish | 1120 | — |

## Instruction Following

- Yi-1.5-34B: 59.4 (#252)
- Yi 6B: —

| Benchmark | Yi-1.5-34B | Yi 6B |
|---|---|---|
| LMArena Instruction Following | 1139 | — |

## Long Context

- Yi-1.5-34B: 34.6 (#243)
- Yi 6B: —

| Benchmark | Yi-1.5-34B | Yi 6B |
|---|---|---|
| LMArena Longer Query | 1144 | — |

## Writing & Preference

- Yi-1.5-34B: 37.6 (#252)
- Yi 6B: —

| Benchmark | Yi-1.5-34B | Yi 6B |
|---|---|---|
| LMArena Text | 1173 | — |
| LMArena Creative Writing | 1135 | — |
| LMArena Multi-Turn | 1153 | — |

## FAQ

### Is Yi-1.5-34B better than Yi 6B?

Yi-1.5-34B has enough public results to be ranked (#286); Yi 6B does not yet, so treat this comparison as directional.

### How many benchmarks do Yi-1.5-34B and Yi 6B share?

0 benchmarks have published results for both models. Yi-1.5-34B has 21 scored results on Noometry and Yi 6B has 7.