Tencent Releases and Open-Sources Tencent Hy4 Preview

tencent.com
August 29, 2026
3 min read
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Summary
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 demonstrate...
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