# Hy4 preview vs Qwen3.5 397B-A17B

> Hy4 preview and Qwen3.5 397B-A17B score almost the same on the Noometry Index (45.3 vs 46.0), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/hy4-preview-vs-qwen3-5-397b-a17b
- Last updated: 2026-10-10
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Hy4 preview scores higher in 2 categories and Qwen3.5 397B-A17B in 1 category; 3 gaps are clear of the uncertainty.
- The widest gap is in coding, where Hy4 preview leads 51.6 to 42.0.
- The biggest single-benchmark swing is NYT Connections (extended): 68.2% for Hy4 preview and 58.9% for Qwen3.5 397B-A17B.
- Hy4 preview is cheaper at $0.75 / $2.25 per million input/output tokens, against $0.60 / $3.60 for Qwen3.5 397B-A17B.
- Hy4 preview accepts more context: 1.05M tokens versus 262K.

## Snapshot

| | Hy4 preview | Qwen3.5 397B-A17B |
|---|---|---|
| Provider | Tencent | Alibaba (Qwen) |
| Noometry Index | 45.3 | 46.0 |
| Rank | 73 | 67 |
| Context | 1.05M | 262K |
| Input $/M | $0.75 | $0.60 |
| Output $/M | $2.25 | $3.60 |
| Weights | Open | Open |

## Coding

- Hy4 preview: 51.6 (#38)
- Qwen3.5 397B-A17B: 42.0 (#114)

| Benchmark | Hy4 preview | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena WebDev | 1632 | 1400 |
| LMArena Coding | — | 1465 |

## Agentic & Tool Use

- Hy4 preview: —
- Qwen3.5 397B-A17B: 33.3 (#53)

| Benchmark | Hy4 preview | Qwen3.5 397B-A17B |
|---|---|---|
| APEX-Agents | — | 24.9% |
| τ²-bench Airline | — | 81.5% |
| τ²-bench Banking | — | 9.8% |
| τ²-bench Retail | — | 84.4% |
| τ²-bench Telecom | — | 97.8% |

## Reasoning

- Hy4 preview: 31.9 (#79)
- Qwen3.5 397B-A17B: 34.5 (#70)

| Benchmark | Hy4 preview | Qwen3.5 397B-A17B |
|---|---|---|
| NYT Connections (extended) | 68.2% | 58.9% |
| Kagi LLM Benchmark | — | 73.7% |
| Chess Puzzles | — | 13% |
| Thematic Generalization | — | 65.1% |
| LMArena Hard Prompts | — | 1448 |
| Mystery Game Puzzles | — | 18% |
| DTBench | — | 87.5% |
| LMCA | — | 37.9% |
| Epoch Capabilities Index | — | 146.65 |

## Math

- Hy4 preview: 55.7 (#42)
- Qwen3.5 397B-A17B: 46.1 (#73)

| Benchmark | Hy4 preview | Qwen3.5 397B-A17B |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 31.2% |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | 75% | — |
| LMArena Math | — | 1454 |

## Knowledge

- Hy4 preview: —
- Qwen3.5 397B-A17B: 53.3 (#58)

| Benchmark | Hy4 preview | Qwen3.5 397B-A17B |
|---|---|---|
| GPQA Diamond | — | 86.4% |
| LMArena Expert | — | 1462 |

## Multimodal

- Hy4 preview: —
- Qwen3.5 397B-A17B: 40.7 (#44)

| Benchmark | Hy4 preview | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Vision | — | 1263 |

## Multilingual

- Hy4 preview: —
- Qwen3.5 397B-A17B: 53.7 (#59)

| Benchmark | Hy4 preview | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Non-English | — | 1430 |
| LMArena Chinese | — | 1500 |
| LMArena French | — | 1461 |
| LMArena German | — | 1447 |
| LMArena Japanese | — | 1426 |
| LMArena Korean | — | 1384 |
| LMArena Russian | — | 1429 |
| LMArena Spanish | — | 1441 |

## Instruction Following

- Hy4 preview: —
- Qwen3.5 397B-A17B: 75.0 (#77)

| Benchmark | Hy4 preview | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Instruction Following | — | 1424 |

## Long Context

- Hy4 preview: —
- Qwen3.5 397B-A17B: 44.1 (#74)

| Benchmark | Hy4 preview | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Longer Query | — | 1442 |

## Writing & Preference

- Hy4 preview: —
- Qwen3.5 397B-A17B: 62.3 (#79)

| Benchmark | Hy4 preview | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Text | — | 1438 |
| LMArena Creative Writing | — | 1401 |
| EQ-Bench Creative Writing | — | 1478 |
| LMArena Multi-Turn | — | 1446 |

## FAQ

### Is Hy4 preview better than Qwen3.5 397B-A17B?

Hy4 preview and Qwen3.5 397B-A17B score almost the same on the Noometry Index (45.3 vs 46.0), so choose on price, context window or the category you care about most.

### Which is cheaper, Hy4 preview or Qwen3.5 397B-A17B?

Hy4 preview is cheaper. It lists at $0.75 per million input tokens and $2.25 per million output tokens; Qwen3.5 397B-A17B lists at $0.60 and $3.60.

### Is Hy4 preview or Qwen3.5 397B-A17B better for coding?

Hy4 preview scores higher on coding benchmarks: 51.6 versus 42.0 in the Noometry coding category.

### Which has the bigger context window?

Hy4 preview does, with 1.05M tokens against 262K.

### How many benchmarks do Hy4 preview and Qwen3.5 397B-A17B share?

2 benchmarks have published results for both models. Hy4 preview has 3 scored results on Noometry and Qwen3.5 397B-A17B has 36.