@CompaCompu: I’m surprised it took so long for an established* Chinese firm to put out a trailer like this** for their model release…

X AI KOLs Timeline Models
ai-model model-release chinese-ai tencent open-weights large-language-model preview

Summary

Tencent AI has announced the Hy4 preview model with 770B total parameters, 49B active parameters, 1M context, and open weights, marking a significant update in the competitive Chinese AI landscape.

I’m surprised it took so long for an established* Chinese firm to put out a trailer like this** for their model release. * Xiaomi and Baidu might have hundreds of people making graphics and trailers, but I don’t recall anything like this for their LLMs(?)
Original Article
View Cached Full Text

Cached at: 08/29/26, 10:02 AM

I’m surprised it took so long for an established* Chinese firm to put out a trailer like this** for their model release.

  • Xiaomi and Baidu might have hundreds of people making graphics and trailers, but I don’t recall anything like this for their LLMs(?)

Tencent AI (@TencentAI_News): Meet Hy4 preview. 770B total, 49B active, 1M context, open weights. Crowded up here now. We like it that way.

Similar Articles

Tencent/Hy4-preview 770B-A49B weight dropped

Reddit r/LocalLLaMA

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.

Introducing Hy4 Preview

Simon Willison's Blog

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.