Tencent Open-Sources Hunyuan Hy4 Preview

Tencent Hunyuan released the open-source Hy4 preview model with 770B total parameters, 49B activated parameters, and 1M+ token context, targeting productivity scenarios like coding, planning, and workflow automation with affordable pricing.

2026-09-02 ~ 2026-09-03 · 2 related posts

• Tencent's Open-Source Hy4 Preview: 770B/49B Params, 1M Context, Tops Blind Eval at 2.99/4 — FellMentKE · 2026-09-02
• Tencent Hunyuan launches open-source Hy4 preview: 770B params, 49B active, 1M context — ShunyuYao12 · 2026-09-03