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Tencent releases Hy3 open-source model with efficient parameter usage

Tencent has launched Hy3, a new open-source language model. This model boasts 295 billion parameters but utilizes a mixture-of-experts architecture, meaning only 21 billion parameters are active at any given time. Tencent claims Hy3 performs comparably to models five times its active size and has halved its hallucination rate to 5.4%. AI

IMPACT This model's efficient parameter usage could influence future open-source LLM development and deployment strategies.

RANK_REASON Release of an open-source model with specific technical details. [lever_c_demoted from research: ic=1 ai=1.0]

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Tencent releases Hy3 open-source model with efficient parameter usage

COVERAGE [1]

  1. The Decoder TIER_1 English(EN) · Matthias Bastian ·

    Tencent releases Hy3 open-source model that allegedly matches models up to five times its active size

    <p><img alt="" class="attachment-full size-full wp-post-image" height="768" src="https://the-decoder.com/wp-content/uploads/2026/05/tencent_logo_wakk.png.png" style="height: auto; margin-bottom: 10px;" width="1376" /></p> <p> Tencent has released Hy3, an open-source language mode…