Tencent open-sources Hunyuan Hy4 preview with 1M context

Tencent open-sources Hunyuan Hy4 preview, a 770B-parameter MoE model with 49B active parameters and native 1M+ token context, its third major release in six months.

2026-09-09 ~ 2026-09-10 · 2 related posts

• Tencent Hunyuan Hy4 Preview: 770B-Parameter Open Model With 49B Active and Native 1M Context — TencentHunyuan · 2026-09-09
• Tencent's open-source Hy4 preview: 770B params, 49B active, 1M context — hey_abusiddik · 2026-09-10