Tencent releases Hy4 Preview: 770B MoE, 49B active, 1M context
Tencent released Hy4 Preview, an open-weight Mixture-of-Experts flagship model with 770B total parameters, 49B active, and a 1M-token context window, under Apache License 2.0. Tencent highlights its agentic research capability, coordinating parallel Codex sessions and evaluating results.
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