# Sonar vs Yi-34B

> Sonar is the stronger model overall, scoring 38.5 to 27.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/sonar-vs-yi-34b
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in writing & preference, where Sonar leads 52.6 to 34.1.
- Yi-34B has downloadable open weights; the other is API-only.

## Snapshot

| | Sonar | Yi-34B |
|---|---|---|
| Provider | Perplexity | 01.AI |
| Noometry Index | 38.5 | 27.8 |
| Rank | 187 | 329 |
| Context | 128K | — |
| Input $/M | $1 | — |
| Output $/M | $1 | — |
| Weights | Proprietary | Open |

## Coding

- Sonar: 35.7 (#221)
- Yi-34B: 32.3 (#274)

| Benchmark | Sonar | Yi-34B |
|---|---|---|
| LiveBench Coding | 35.1% | — |
| LMArena Coding | — | 1112 |

## Reasoning

- Sonar: 21.1 (#227)
- Yi-34B: 21.2 (#226)

| Benchmark | Sonar | Yi-34B |
|---|---|---|
| LiveBench Reasoning | 46.3% | — |
| LMArena Hard Prompts | — | 1104 |
| LiveBench Data Analysis | 37.9% | — |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | — | 117.39 |
| LiveBench | 46.9% | — |

## Math

- Sonar: 33.7 (#200)
- Yi-34B: 21.6 (#282)

| Benchmark | Sonar | Yi-34B |
|---|---|---|
| LiveBench Math | 41.6% | — |
| LMArena Math | — | 1114 |
| MATH Level 5 | — | 5.1% |
| GSM8K | — | 76% |

## Knowledge

- Sonar: —
- Yi-34B: 7.5 (#309)

| Benchmark | Sonar | Yi-34B |
|---|---|---|
| GPQA Diamond | — | 14.7% |
| LMArena Expert | — | 1061 |
| MMLU | — | 76.3% |

## Multilingual

- Sonar: —
- Yi-34B: 29.7 (#264)

| Benchmark | Sonar | Yi-34B |
|---|---|---|
| LMArena Non-English | — | 1079 |
| LMArena Chinese | — | 1176 |
| LMArena French | — | 1081 |
| LMArena German | — | 1042 |
| LMArena Japanese | — | 993 |
| LMArena Korean | — | 959 |
| LMArena Russian | — | 1050 |
| LMArena Spanish | — | 1070 |

## Instruction Following

- Sonar: 71.4 (#150)
- Yi-34B: 56.2 (#274)

| Benchmark | Sonar | Yi-34B |
|---|---|---|
| LiveBench Instruction Following | 76.2% | — |
| LMArena Instruction Following | — | 1091 |

## Long Context

- Sonar: —
- Yi-34B: 33.2 (#264)

| Benchmark | Sonar | Yi-34B |
|---|---|---|
| LMArena Longer Query | — | 1094 |

## Writing & Preference

- Sonar: 52.6 (#167)
- Yi-34B: 34.1 (#273)

| Benchmark | Sonar | Yi-34B |
|---|---|---|
| LMArena Text | — | 1129 |
| LMArena Creative Writing | — | 1108 |
| LMArena Multi-Turn | — | 1113 |
| LiveBench Language | 44.1% | — |

## FAQ

### Is Sonar better than Yi-34B?

Sonar is the stronger model overall, scoring 38.5 to 27.8 on the Noometry Index.

### Is Sonar or Yi-34B better for coding?

Sonar scores higher on coding benchmarks: 35.7 versus 32.3 in the Noometry coding category.

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

0 benchmarks have published results for both models. Sonar has 7 scored results on Noometry and Yi-34B has 23.