Tencent releases Hy4: 770B MoE open-weight model with 1M context
haider1 · x · 2026-08-28
Tencent released the preview of Hy4, a 770B MoE model with 49B active parameters and a 1M context window. It is positioned as an open-source frontier model and claims to have optimized parts of its own training pipeline and kernels. Available on Hugging Face and GitHub.
Related event: Tencent Open-Sources Hunyuan Hy4 Preview: 770B MoE with 1M Context(28 posts)→
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