All tasks / Models
Hy4-preview
Tencent's open-weights Hy MoE LLM line (Apache-2.0); Hy4-preview has 770B total and 49B active parameters.
- Tencent
- Open weights
- Released 27 Aug 2026
Where it ranks
- –Chat & assistantsModels · Local · no result on this task’s benchmarks yet
- BCodingModels · Local · 1,631 on LMArena WebDev / Code Arena (overall)
Facts
- Vendor
- Tencent
- Family
- Hy (Hunyuan)
- Released
- 27 Aug 2026
- Weights
- Open: download and run it yourself
- License
- Apache-2.0
- Parameters
- 770B (49B active)
- GPU memory to run locally
- ~441 GB (4-bit ≈ 770 B (+10 B MTP layer) × 0.57 GB ≈ 441 GB, estimate.)
- API price
- $0.83 in / $2.5 out per 1M tokens (OpenRouter listed price)
- Access
- Free (open weights)
- Last verified
- 19 Oct 2026
Price from openrouter.ai, 19 Oct 2026.
Benchmark results
| Benchmark | Result | Entry on the leaderboard | As of | Source |
|---|---|---|---|---|
| LMArena WebDev / Code Arena (overall) | 1,631 | Hy4 previewFrom LMArena's official leaderboard-dataset (webdev = Code Arena, split latest, category overall, published 2026-10-18), which mirrors https://arena.ai/leaderboard/webdev. Rank 19; 4798 votes; 95% CI 1621.1-1640.3. | 18 Oct 2026 | huggingface.co |
Where you can use it
- AYuanbaoApps · Cloud
Earlier versions
- Hy3 · 2 Jul 2026
- Hy3-preview · 13 Apr 2026