Tencent Just Open-Sourced Hy4 Preview — 770B MoE, 1M Context, Apache 2.0
On Aug 28 Tencent Hunyuan dropped Hy4 preview: 770B total / ~49B active MoE, million-token context, Apache 2.0 weights, and a two-week free window on WorkBuddy and CodeBuddy. Here’s what shipped — and how I’d try it this week.