Tencent Releases and Open-Sources Tencent Hy4 Preview

Tencent has released and open-sourced its new large language model, Hy4, which features 770 billion parameters and is optimized for productivity tasks. The model is available for free on several Tencent platforms for a limited time.
Why it matters
The release of a high-parameter open-source model by a major Chinese tech firm intensifies competition in the global AI development landscape.
Ranked among the top tier of open-source models, Hy4 preview is built for real-world productivity tasks, delivering outstanding performance across coding, office work, and scientific research
Tencent has released and open-sourced Tencent Hy4 preview, a next-generation large language model with 770B total parameters and 49B active parameters, and a context window exceeding 1M tokens. It demonstrates outstanding capabilities on real-world productivity tasks spanning coding, office work, and scientific research.
Hy4 preview is now available as an open-source model and can also be accessed globally through WorkBuddy and CodeBuddy, as well as Yuanbao, ima and other Tencent products. Users can try the model directly through these applications, or connect to it via API through Tencent Cloud TokenHub and OpenRouter.
Upon launch, Hy4 preview will be available for free on WorkBuddy and CodeBuddy for two weeks. Free access to Hy3 on both platforms has also been extended until September 30.
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