# Llama 2-34B vs Yi-1.5-34B

> Yi-1.5-34B has enough public results to be ranked (#286); Llama 2-34B does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/llama-2-34b-vs-yi-1-5-34b
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- Yi-1.5-34B has downloadable open weights; the other is API-only.

## Snapshot

| | Llama 2-34B | Yi-1.5-34B |
|---|---|---|
| Provider | Meta | 01.AI |
| Noometry Index | — | 30.2 |
| Rank | — | 286 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Llama 2-34B: —
- Yi-1.5-34B: 31.9 (#267)

| Benchmark | Llama 2-34B | Yi-1.5-34B |
|---|---|---|
| BigCodeBench Instruct | — | 33.9% |
| LMArena Coding | — | 1169 |
| BigCodeBench Complete | — | 43.8% |

## Reasoning

- Llama 2-34B: —
- Yi-1.5-34B: 21.5 (#195)

| Benchmark | Llama 2-34B | Yi-1.5-34B |
|---|---|---|
| LMArena Hard Prompts | — | 1160 |
| BIG-Bench Hard | 44.1% | — |
| Epoch Capabilities Index | 104.81 | — |
| PIQA | 81.9% | — |
| WinoGrande | 76.7% | — |

## Math

- Llama 2-34B: —
- Yi-1.5-34B: 25.3 (#248)

| Benchmark | Llama 2-34B | Yi-1.5-34B |
|---|---|---|
| LMArena Math | — | 1182 |
| MATH Level 5 | — | 25.5% |
| GSM8K | 42.2% | — |

## Knowledge

- Llama 2-34B: —
- Yi-1.5-34B: 14.8 (#290)

| Benchmark | Llama 2-34B | Yi-1.5-34B |
|---|---|---|
| GPQA Diamond | — | 32% |
| LMArena Expert | — | 1144 |
| ARC (AI2) Challenge | 54.5% | — |
| BoolQ | 83.7% | — |
| MMLU | 62.6% | — |
| OpenBookQA | 58.2% | — |
| TriviaQA | 84.6% | — |

## Multilingual

- Llama 2-34B: —
- Yi-1.5-34B: 32.5 (#251)

| Benchmark | Llama 2-34B | Yi-1.5-34B |
|---|---|---|
| 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

- Llama 2-34B: —
- Yi-1.5-34B: 59.4 (#252)

| Benchmark | Llama 2-34B | Yi-1.5-34B |
|---|---|---|
| LMArena Instruction Following | — | 1139 |

## Long Context

- Llama 2-34B: —
- Yi-1.5-34B: 34.6 (#243)

| Benchmark | Llama 2-34B | Yi-1.5-34B |
|---|---|---|
| LMArena Longer Query | — | 1144 |

## Writing & Preference

- Llama 2-34B: —
- Yi-1.5-34B: 37.6 (#252)

| Benchmark | Llama 2-34B | Yi-1.5-34B |
|---|---|---|
| LMArena Text | — | 1173 |
| LMArena Creative Writing | — | 1135 |
| LMArena Multi-Turn | — | 1153 |

## FAQ

### Is Llama 2-34B better than Yi-1.5-34B?

Yi-1.5-34B has enough public results to be ranked (#286); Llama 2-34B does not yet, so treat this comparison as directional.

### How many benchmarks do Llama 2-34B and Yi-1.5-34B share?

0 benchmarks have published results for both models. Llama 2-34B has 10 scored results on Noometry and Yi-1.5-34B has 21.