# Claude 2.1 vs Hy3

> Hy3 is the stronger model overall, scoring 44.2 to 25.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-1-vs-hy3
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Hy3 leads 40.1 to 10.2.
- Hy3 has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 2.1 | Hy3 |
|---|---|---|
| Provider | Anthropic | Tencent |
| Noometry Index | 25.2 | 44.2 |
| Rank | 345 | 79 |
| Context | — | 262K |
| Input $/M | — | $0.13 |
| Output $/M | — | $0.53 |
| Weights | Proprietary | Open |

## Coding

- Claude 2.1: 26.2 (#327)
- Hy3: 46.8 (#63)

| Benchmark | Claude 2.1 | Hy3 |
|---|---|---|
| LMArena WebDev | — | 1508 |
| WeirdML | 7.1% | — |
| LMArena Coding | — | 1464 |

## Reasoning

- Claude 2.1: 21.4 (#221)
- Hy3: 26.1 (#136)

| Benchmark | Claude 2.1 | Hy3 |
|---|---|---|
| NYT Connections (extended) | — | 41.2% |
| LMArena Hard Prompts | — | 1447 |
| DTBench | 51% | — |
| Epoch Capabilities Index | 119.27 | — |
| ForecastBench | 54.2 | — |

## Math

- Claude 2.1: 10.2 (#315)
- Hy3: 40.1 (#93)

| Benchmark | Claude 2.1 | Hy3 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | — |
| LMArena Math | — | 1475 |

## Knowledge

- Claude 2.1: 15.4 (#292)
- Hy3: 40.8 (#114)

| Benchmark | Claude 2.1 | Hy3 |
|---|---|---|
| GPQA Diamond | 33% | — |
| LMArena Expert | — | 1460 |
| MMLU | 73.5% | — |

## Multilingual

- Claude 2.1: —
- Hy3: 53.5 (#65)

| Benchmark | Claude 2.1 | Hy3 |
|---|---|---|
| LMArena Non-English | — | 1426 |
| LMArena Chinese | — | 1493 |
| LMArena French | — | 1461 |
| LMArena German | — | 1439 |
| LMArena Japanese | — | 1392 |
| LMArena Korean | — | 1395 |
| LMArena Russian | — | 1432 |
| LMArena Spanish | — | 1456 |

## Instruction Following

- Claude 2.1: —
- Hy3: 75.1 (#70)

| Benchmark | Claude 2.1 | Hy3 |
|---|---|---|
| LMArena Instruction Following | — | 1426 |

## Long Context

- Claude 2.1: —
- Hy3: 44.1 (#75)

| Benchmark | Claude 2.1 | Hy3 |
|---|---|---|
| LMArena Longer Query | — | 1442 |

## Writing & Preference

- Claude 2.1: —
- Hy3: 62.2 (#81)

| Benchmark | Claude 2.1 | Hy3 |
|---|---|---|
| LMArena Text | — | 1439 |
| LMArena Creative Writing | — | 1402 |
| LMArena Multi-Turn | — | 1436 |

## FAQ

### Is Claude 2.1 better than Hy3?

Hy3 is the stronger model overall, scoring 44.2 to 25.2 on the Noometry Index.

### Is Claude 2.1 or Hy3 better for coding?

Hy3 scores higher on coding benchmarks: 46.8 versus 26.2 in the Noometry coding category.

### How many benchmarks do Claude 2.1 and Hy3 share?

0 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Hy3 has 19.