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Tencent Hy
Tencent's frontier AI model series
34 followers
Tencent's frontier AI model series
34 followers
Tencent Hy (formerly Hunyuan) is Tencent’s multimodal AI model family, covering text, image, video, 3D generation, and understanding. Built for developers, enterprises, and creators, it powers AI applications, content generation, and next-generation multimodal experiences.
This is the 3rd launch from Tencent Hy. View more
Hy4 preview
Launching today
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 Team
Flowtica Scribe
Hi everyone!
Hy4 preview is the next step after Hy3, and Tencent went much bigger this time. 770B total, 49B active, 1M context.
Tencent built a lot of the training around real work from its own engineering and specialist teams. The model is meant to stay with a task when it gets long or messy.
They also ran a blind eval with 163 internal experts across 203 engineering tasks. Hy4 preview came out slightly ahead of GLM 5.3 and Kimi K3 🤔
It is open under Apache 2.0, and you can try it now through OpenRouter or @WorkBuddy.
They are still calling it a preview. It overthinks and over-checks itself. Same habit as Hy3: put it out, see what breaks!