# Claude 3 Opus vs Hy4 preview

> Hy4 preview is the stronger model overall, scoring 45.3 to 29.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-opus-vs-hy4-preview
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Hy4 preview leads 55.7 to 14.8.
- Hy4 preview has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Opus | Hy4 preview |
|---|---|---|
| Provider | Anthropic | Tencent |
| Noometry Index | 29.5 | 45.3 |
| Rank | 310 | 73 |
| Context | — | 1.05M |
| Input $/M | — | $0.83 |
| Output $/M | — | $2.50 |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Opus: 32.9 (#267)
- Hy4 preview: 51.6 (#38)

| Benchmark | Claude 3 Opus | Hy4 preview |
|---|---|---|
| LMArena WebDev | — | 1632 |
| WeirdML | 19.2% | — |
| BigCodeBench Instruct | 45.5% | — |
| LiveBench Coding | 38.6% | — |
| LMArena Coding | 1264 | — |
| BigCodeBench Complete | 57.4% | — |
| HumanEval+ | 77.4% | — |
| MBPP+ | 73.3% | — |

## Agentic & Tool Use

- Claude 3 Opus: 24.6 (#116)
- Hy4 preview: —

| Benchmark | Claude 3 Opus | Hy4 preview |
|---|---|---|
| Cybench | 10% | — |
| METR Time Horizons | 29.5% | — |

## Reasoning

- Claude 3 Opus: 14.6 (#324)
- Hy4 preview: 31.9 (#79)

| Benchmark | Claude 3 Opus | Hy4 preview |
|---|---|---|
| SimpleBench | 23.5% | — |
| NYT Connections (extended) | — | 68.2% |
| Chess Puzzles | 5% | — |
| EnigmaEval | 0.8% | — |
| LiveBench Reasoning | 40.6% | — |
| LMArena Hard Prompts | 1245 | — |
| DTBench | 61.6% | — |
| LiveBench Data Analysis | 57.9% | — |
| LMCA | 17% | — |
| Epoch Capabilities Index | 126.91 | — |
| ForecastBench | 58.4 | — |
| LiveBench | 49.2% | — |
| WinoGrande | 88.5% | — |

## Math

- Claude 3 Opus: 14.8 (#299)
- Hy4 preview: 55.7 (#42)

| Benchmark | Claude 3 Opus | Hy4 preview |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.7% | — |
| ProofBench | — | 75% |
| LiveBench Math | 43.6% | — |
| LMArena Math | 1273 | — |
| MATH Level 5 | 37.5% | — |

## Knowledge

- Claude 3 Opus: 24.5 (#267)
- Hy4 preview: —

| Benchmark | Claude 3 Opus | Hy4 preview |
|---|---|---|
| GPQA Diamond | 47.2% | — |
| SimpleQA Verified | 12.6% | — |
| Confabulations | 22.7% | — |
| LMArena Expert | 1223 | — |
| MMLU | 84.6% | — |

## Multimodal

- Claude 3 Opus: 27.1 (#116)
- Hy4 preview: —

| Benchmark | Claude 3 Opus | Hy4 preview |
|---|---|---|
| LMArena Vision | 1023 | — |

## Multilingual

- Claude 3 Opus: 41.4 (#207)
- Hy4 preview: —

| Benchmark | Claude 3 Opus | Hy4 preview |
|---|---|---|
| LMArena Non-English | 1258 | — |
| LMArena Chinese | 1248 | — |
| LMArena French | 1275 | — |
| LMArena German | 1258 | — |
| LMArena Japanese | 1204 | — |
| LMArena Korean | 1187 | — |
| LMArena Russian | 1280 | — |
| LMArena Spanish | 1246 | — |

## Instruction Following

- Claude 3 Opus: 64.1 (#228)
- Hy4 preview: —

| Benchmark | Claude 3 Opus | Hy4 preview |
|---|---|---|
| LiveBench Instruction Following | 63.9% | — |
| LMArena Instruction Following | 1248 | — |

## Long Context

- Claude 3 Opus: 38.2 (#202)
- Hy4 preview: —

| Benchmark | Claude 3 Opus | Hy4 preview |
|---|---|---|
| LMArena Longer Query | 1259 | — |

## Writing & Preference

- Claude 3 Opus: 47.2 (#213)
- Hy4 preview: —

| Benchmark | Claude 3 Opus | Hy4 preview |
|---|---|---|
| LMArena Text | 1262 | — |
| LMArena Creative Writing | 1235 | — |
| LMArena Multi-Turn | 1275 | — |
| LiveBench Language | 50.4% | — |

## FAQ

### Is Claude 3 Opus better than Hy4 preview?

Hy4 preview is the stronger model overall, scoring 45.3 to 29.5 on the Noometry Index.

### Is Claude 3 Opus or Hy4 preview better for coding?

Hy4 preview scores higher on coding benchmarks: 51.6 versus 32.9 in the Noometry coding category.

### How many benchmarks do Claude 3 Opus and Hy4 preview share?

0 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Hy4 preview has 3.