Listing details
HiCyou directory record
- Listed website
- hy.tencent.ai
- Directory record created
- Aug 30, 2026
- Last record update
- Aug 30, 2026
Listing information
- Overview
- 4 key features
- 3 use cases
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What is Hy4 preview
Hy4 Preview is Tencent's open-source 770B-parameter mixture-of-experts model (49B active, 1M context) designed for long-horizon agentic tasks such as coding, game development, and complex document analysis.
Key Features
770B MoE architecture with 49B active parameters
1M token context window
Built for long-horizon agentic workflows
Open-source model weights
Use Cases
- Autonomous coding and bug fixing
- Game development tasks
- Complex document analysis
Why do startups need this tool?
Startups building AI agents can leverage a large open-source model with a 1M context window for complex, multi-step workflows without relying on closed proprietary models.
