Tencent's Hy4 Preview is a 770B open-source MoE model with 1M context, designed for autonomous handling of coding, game development, and complex document analysis.
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Tencent’s 770B open model for long-horizon work
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# Tencent Hy: Tencent's frontier AI model series | Product Hunt
Source: [https://www.producthunt.com/products/hunyuan-a13b](https://www.producthunt.com/products/hunyuan-a13b)
This is the 3rd launch from Tencent Hy\.
[View more](https://www.producthunt.com/products/hunyuan-a13b/launches)
## Hy4 preview
Launching today
Tencent’s 770B open model for long\-horizon work
Hy4 Preview is a 770B MoE model \(49B active, 1M context\) from Tencent, built for long\-horizon agentic tasks\. It autonomously handles coding, game dev, and complex document analysis, running its own tests and fixing bugs before delivery\.
Free
Launch tags:
[Open Source](https://www.producthunt.com/topics/open-source)•[Artificial Intelligence](https://www.producthunt.com/topics/artificial-intelligence)
Launch Team
[https://www.producthunt.com/@zaczuo](https://www.producthunt.com/@zaczuo)
Viktor\.comAn AI coworker that actually does the work
Promoted
Tencent has released Tencent Hy4 preview, an open-source large language model with 770B parameters and over 1M token context, designed for productivity tasks in coding, office work, and scientific research.
Tencent has released Hy4 Preview, an open-weight text-only large language model with 770B total parameters, 49B active parameters, and a 1M token context window, featuring reasoning capabilities with 'high' and 'no_think' effort levels.
Tencent releases Hy3-preview, a 295B-parameter MoE model with 21B active parameters that excels in STEM reasoning, instruction following, coding and agent tasks.
Tencent releases Hy4-preview, a new Mixture-of-Experts flagship AI model with 770B total parameters and 49B activated per token, featuring advanced techniques like Gated DeepSeek Sparse Attention and identity Hyper-Connections.