Hunyuan Hy3

Tencents flagship open-weight mixture-of-experts model, with 295B parameters

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Undisclosed parameters
Apache 2.0 license
Jul 2026 released

Hy3 is Tencent’s flagship Hunyuan model, launched on July 6, 2026 after an April preview. It has 295 billion parameters with about 21 billion active, three reasoning modes and an Apache 2.0 license. It powers the Yuanbao assistant.