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Tencent Hy Team releases Hy3, a 295B-parameter MoE model

Tencent's Hy Team released Hy3, a 295-billion-parameter Mixture-of-Experts (MoE) language model with 21B active parameters and a 3.8B MTP layer. The model outperforms similar-sized models and rivals open-source models with 2-5x parameters. It is available on Hugging Face in full (598GB) and FP8 quantized (300GB) versions.

0 engagement·1 source·Mon, Jul 6, 2026, 11:57 PM
Hy3 is a 295B-parameter MoE model with 21B active parameters and 3.8B MTP layer parameters, developed by the Tencent Hy Team. Following the Hy3 Preview launch in late April, the team gathered feedback from 50+ products and scaled up post-training with higher quality data. The full-sized model is 598GB on Hugging Face, and the FP8 quantized version is 300GB.

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Hy3(model)Tencent(company)Mixture-of-Experts(concept)Tencent Hy Team(company)

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