Tencent releases Hy4 Preview, a 770B-parameter open-weight LLM
Tencent's Hy4 Preview is a text-only open-weight LLM with 770B total parameters, 49B active, a 1M-token context window, and 1.56TB on Hugging Face. It supports two reasoning levels: 'high' (default) and 'no_think'.
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