# Nova 2.0 Pro Preview vs Yi-34B

> Nova 2.0 Pro Preview is the stronger model overall, scoring 33.4 to 27.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/nova-2-0-pro-preview-vs-yi-34b
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where Nova 2.0 Pro Preview leads 40.8 to 32.3.
- Yi-34B has downloadable open weights; the other is API-only.

## Snapshot

| | Nova 2.0 Pro Preview | Yi-34B |
|---|---|---|
| Provider | Amazon | 01.AI |
| Noometry Index | 33.4 | 27.8 |
| Rank | 244 | 329 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Nova 2.0 Pro Preview: 40.8 (#133)
- Yi-34B: 32.3 (#274)

| Benchmark | Nova 2.0 Pro Preview | Yi-34B |
|---|---|---|
| SciCode | 42.7% | — |
| LMArena Coding | — | 1112 |

## Agentic & Tool Use

- Nova 2.0 Pro Preview: 21.9 (#136)
- Yi-34B: —

| Benchmark | Nova 2.0 Pro Preview | Yi-34B |
|---|---|---|
| GDP.pdf | 2% | — |

## Reasoning

- Nova 2.0 Pro Preview: 22.4 (#194)
- Yi-34B: 21.2 (#226)

| Benchmark | Nova 2.0 Pro Preview | Yi-34B |
|---|---|---|
| CritPt | 0% | — |
| LMArena Hard Prompts | — | 1104 |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | — | 117.39 |

## Math

- Nova 2.0 Pro Preview: —
- Yi-34B: 21.6 (#282)

| Benchmark | Nova 2.0 Pro Preview | Yi-34B |
|---|---|---|
| LMArena Math | — | 1114 |
| MATH Level 5 | — | 5.1% |
| GSM8K | — | 76% |

## Knowledge

- Nova 2.0 Pro Preview: —
- Yi-34B: 7.5 (#309)

| Benchmark | Nova 2.0 Pro Preview | Yi-34B |
|---|---|---|
| GPQA Diamond | — | 14.7% |
| LMArena Expert | — | 1061 |
| MMLU | — | 76.3% |

## Multilingual

- Nova 2.0 Pro Preview: —
- Yi-34B: 29.7 (#264)

| Benchmark | Nova 2.0 Pro Preview | 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

- Nova 2.0 Pro Preview: —
- Yi-34B: 56.2 (#274)

| Benchmark | Nova 2.0 Pro Preview | Yi-34B |
|---|---|---|
| LMArena Instruction Following | — | 1091 |

## Long Context

- Nova 2.0 Pro Preview: —
- Yi-34B: 33.2 (#264)

| Benchmark | Nova 2.0 Pro Preview | Yi-34B |
|---|---|---|
| LMArena Longer Query | — | 1094 |

## Writing & Preference

- Nova 2.0 Pro Preview: —
- Yi-34B: 34.1 (#273)

| Benchmark | Nova 2.0 Pro Preview | Yi-34B |
|---|---|---|
| LMArena Text | — | 1129 |
| LMArena Creative Writing | — | 1108 |
| LMArena Multi-Turn | — | 1113 |

## FAQ

### Is Nova 2.0 Pro Preview better than Yi-34B?

Nova 2.0 Pro Preview is the stronger model overall, scoring 33.4 to 27.8 on the Noometry Index.

### Is Nova 2.0 Pro Preview or Yi-34B better for coding?

Nova 2.0 Pro Preview scores higher on coding benchmarks: 40.8 versus 32.3 in the Noometry coding category.

### How many benchmarks do Nova 2.0 Pro Preview and Yi-34B share?

0 benchmarks have published results for both models. Nova 2.0 Pro Preview has 3 scored results on Noometry and Yi-34B has 23.