AISimon Willisonabout 2 hours ago
Introducing Hy4 Preview
2 min read
Tencent released Hy4 Preview, an open-weight text-only LLM with 770B total parameters, 49B active, and a 1M token context window. The model, 1.56TB on Hugging Face, supports only 'high' and 'no_think' reasoning efforts. It is a major size increase from Hy3's 295B parameters.
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