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Latest / Frontier models and safety

Model releaseFrontierChinaConfirmed

Tencent releases Hy4 preview, a 770-billion-parameter open model

See how this story connects

Source: Hugging Face: tencent/Hy4-preview

Tencent released Hy4 preview under the Apache 2.0 licence, a new flagship mixture-of-experts model with 770 billion parameters, 49 billion active per token, 256 routed experts and a built-in multi-token prediction layer for faster decoding.

Why it matters

Tencent’s second open flagship in four months kept China’s largest internet groups competing in open models.

When
28 Aug 2026
ID
WTA-N-2026-0233
Where
China
Who
Tencent

Summary by wheresthe.ai, from Hugging Face. Checked against the source on 10 Oct 2026.

Read the original at Hugging Face

Source copy: download the page as saved on 18 Oct 2026 (PDF). Also held by the Internet Archive.

Earlier in this Storyline: What led hereTencent open-sources Hy3 preview, a 295 billion parameter Hunyuan model

Cite this story

WTA-N-2026-0233: “Tencent releases Hy4 preview, a 770-billion-parameter open model.” wheresthe.ai, 28 Aug 2026. https://wheresthe.ai/d/cn-tencent-hy4-preview-2026-08/ (source: Hugging Face: tencent/Hy4-preview).

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