# Claude 3.5 Sonnet vs Hy3

> Hy3 is the stronger model overall, scoring 44.2 to 34.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-5-sonnet-vs-hy3
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 0 categories and Hy3 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Hy3 leads 40.1 to 19.2.
- Hy3 has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3.5 Sonnet | Hy3 |
|---|---|---|
| Provider | Anthropic | Tencent |
| Noometry Index | 34.6 | 44.2 |
| Rank | 231 | 79 |
| Context | — | 262K |
| Input $/M | — | $0.0825 |
| Output $/M | — | $0.33 |
| Weights | Proprietary | Open |

## Coding

- Claude 3.5 Sonnet: 39.0 (#165)
- Hy3: 46.8 (#63)

| Benchmark | Claude 3.5 Sonnet | Hy3 |
|---|---|---|
| LMArena Coding | 1342 | 1464 |
| Aider Polyglot | 51.6% | — |
| LMArena WebDev | — | 1508 |
| GSO | 4.6% | — |
| WeirdML | 40% | — |
| BigCodeBench Instruct | 46.8% | — |
| LiveBench Coding | 67.1% | — |
| BigCodeBench Complete | 58.6% | — |
| CadEval | 48% | — |
| HumanEval+ | 81.7% | — |
| MBPP+ | 74.3% | — |

## Agentic & Tool Use

- Claude 3.5 Sonnet: 32.3 (#67)
- Hy3: —

| Benchmark | Claude 3.5 Sonnet | Hy3 |
|---|---|---|
| TheAgentCompany | 24% | — |
| Cybench | 17.5% | — |
| BALROG | 32.6% | — |
| METR Time Horizons | 45.2% | — |

## Reasoning

- Claude 3.5 Sonnet: 23.1 (#183)
- Hy3: 26.1 (#136)

| Benchmark | Claude 3.5 Sonnet | Hy3 |
|---|---|---|
| LMArena Hard Prompts | 1305 | 1447 |
| SimpleBench | 41.4% | — |
| NYT Connections (extended) | — | 41.2% |
| EnigmaEval | 0.9% | — |
| LiveBench Reasoning | 56.7% | — |
| DTBench | 67.8% | — |
| LiveBench Data Analysis | 55% | — |
| Epoch Capabilities Index | 133.55 | — |
| ForecastBench | 60.7 | — |
| LiveBench | 59% | — |

## Math

- Claude 3.5 Sonnet: 19.2 (#288)
- Hy3: 40.1 (#93)

| Benchmark | Claude 3.5 Sonnet | Hy3 |
|---|---|---|
| LMArena Math | 1307 | 1475 |
| OTIS Mock AIME 2024-2025 | 8.5% | — |
| Omni-MATH | 27.6% | — |
| LiveBench Math | 52.3% | — |
| MATH Level 5 | 56.9% | — |
| FrontierMath (Feb 2025 set) | 2.1% | — |
| FrontierMath Tier 4 (v1) | 0% | — |

## Knowledge

- Claude 3.5 Sonnet: 28.6 (#245)
- Hy3: 40.8 (#114)

| Benchmark | Claude 3.5 Sonnet | Hy3 |
|---|---|---|
| LMArena Expert | 1265 | 1460 |
| GPQA Diamond | 55.3% | — |
| Humanity's Last Exam | 4.1% | — |
| MMLU-Pro | 77.7% | — |
| Confabulations | 19.9% | — |
| GPQA (HELM) | 56.5% | — |
| MMLU | 87.3% | — |

## Multimodal

- Claude 3.5 Sonnet: 26.5 (#120)
- Hy3: —

| Benchmark | Claude 3.5 Sonnet | Hy3 |
|---|---|---|
| LMArena Vision | 1125 | — |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |

## Multilingual

- Claude 3.5 Sonnet: 43.2 (#185)
- Hy3: 53.5 (#65)

| Benchmark | Claude 3.5 Sonnet | Hy3 |
|---|---|---|
| LMArena Non-English | 1283 | 1426 |
| LMArena Chinese | 1272 | 1493 |
| LMArena French | 1305 | 1461 |
| LMArena German | 1297 | 1439 |
| LMArena Japanese | 1234 | 1392 |
| LMArena Korean | 1200 | 1395 |
| LMArena Russian | 1306 | 1432 |
| LMArena Spanish | 1290 | 1456 |

## Instruction Following

- Claude 3.5 Sonnet: 68.8 (#182)
- Hy3: 75.1 (#70)

| Benchmark | Claude 3.5 Sonnet | Hy3 |
|---|---|---|
| LMArena Instruction Following | 1297 | 1426 |
| LiveBench Instruction Following | 69.3% | — |
| IFEval | 85.5% | — |

## Long Context

- Claude 3.5 Sonnet: 39.9 (#167)
- Hy3: 44.1 (#75)

| Benchmark | Claude 3.5 Sonnet | Hy3 |
|---|---|---|
| LMArena Longer Query | 1311 | 1442 |

## Writing & Preference

- Claude 3.5 Sonnet: 52.9 (#164)
- Hy3: 62.2 (#81)

| Benchmark | Claude 3.5 Sonnet | Hy3 |
|---|---|---|
| LMArena Text | 1298 | 1439 |
| LMArena Creative Writing | 1292 | 1402 |
| LMArena Multi-Turn | 1326 | 1436 |
| Short-Story Creative Writing | 80.3% | — |
| EQ-Bench Creative Writing | 1451 | — |
| WildBench | 79.2% | — |
| LiveBench Language | 53.8% | — |

## FAQ

### Is Claude 3.5 Sonnet better than Hy3?

Hy3 is the stronger model overall, scoring 44.2 to 34.6 on the Noometry Index.

### Is Claude 3.5 Sonnet or Hy3 better for coding?

Hy3 scores higher on coding benchmarks: 46.8 versus 39.0 in the Noometry coding category.

### How many benchmarks do Claude 3.5 Sonnet and Hy3 share?

17 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Hy3 has 19.