# Claude 2 vs Yi-34B

> Yi-34B is the stronger model overall, scoring 27.8 to 25.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-vs-yi-34b
- Last updated: 2026-10-11
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. Claude 2 scores higher in 2 categories and Yi-34B in 1 category; 2 gaps are clear of the uncertainty.
- The widest gap is in math, where Yi-34B leads 21.6 to 9.3.
- The biggest single-benchmark swing is GPQA Diamond: 34.7% for Claude 2 and 14.7% for Yi-34B.
- Yi-34B has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 2 | Yi-34B |
|---|---|---|
| Provider | Anthropic | 01.AI |
| Noometry Index | 25.0 | 27.8 |
| Rank | 346 | 329 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 2: —
- Yi-34B: 32.3 (#274)

| Benchmark | Claude 2 | Yi-34B |
|---|---|---|
| LMArena Coding | — | 1112 |
| HumanEval+ | 61.6% | — |

## Reasoning

- Claude 2: 21.7 (#216)
- Yi-34B: 21.2 (#226)

| Benchmark | Claude 2 | Yi-34B |
|---|---|---|
| Epoch Capabilities Index | 120.13 | 117.39 |
| LMArena Hard Prompts | — | 1104 |
| DTBench | 51.9% | — |
| BIG-Bench Hard | — | 71.7% |

## Math

- Claude 2: 9.3 (#320)
- Yi-34B: 21.6 (#282)

| Benchmark | Claude 2 | Yi-34B |
|---|---|---|
| MATH Level 5 | 11.7% | 5.1% |
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| LMArena Math | — | 1114 |
| GSM8K | — | 76% |

## Knowledge

- Claude 2: 16.9 (#287)
- Yi-34B: 7.5 (#309)

| Benchmark | Claude 2 | Yi-34B |
|---|---|---|
| GPQA Diamond | 34.7% | 14.7% |
| MMLU | 78.5% | 76.3% |
| LMArena Expert | — | 1061 |
| TriviaQA | 87.5% | — |

## Multilingual

- Claude 2: —
- Yi-34B: 29.7 (#264)

| Benchmark | Claude 2 | 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

- Claude 2: —
- Yi-34B: 56.2 (#274)

| Benchmark | Claude 2 | Yi-34B |
|---|---|---|
| LMArena Instruction Following | — | 1091 |

## Long Context

- Claude 2: —
- Yi-34B: 33.2 (#264)

| Benchmark | Claude 2 | Yi-34B |
|---|---|---|
| LMArena Longer Query | — | 1094 |

## Writing & Preference

- Claude 2: —
- Yi-34B: 34.1 (#273)

| Benchmark | Claude 2 | Yi-34B |
|---|---|---|
| LMArena Text | — | 1129 |
| LMArena Creative Writing | — | 1108 |
| LMArena Multi-Turn | — | 1113 |

## FAQ

### Is Claude 2 better than Yi-34B?

Yi-34B is the stronger model overall, scoring 27.8 to 25.0 on the Noometry Index.

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

4 benchmarks have published results for both models. Claude 2 has 8 scored results on Noometry and Yi-34B has 23.