Tencent Open-Sources Hunyuan Hy4 Preview with 770B Params and 1M Context

Tencent released the Hunyuan Hy4 preview, an Apache 2.0 open-source MoE model with 770B total parameters, 49B active per token, and native 1M-token context, featuring Day 0 vLLM/SGLang support and official hybrid GGUF quantization down to 214GiB.

2026-09-05 ~ 2026-09-05 · 3 related posts

• Tencent Hunyuan Hy4 preview: 770B total/49B active, 1M context, Apache 2.0, day-0 vLLM — aftahi_ai · 2026-09-05
• Tencent Hunyuan preview: 770B params, 1M context, Apache 2.0, 214GiB quantized — Aiden_Tech_Ai · 2026-09-05
• Tencent open-sources 770B MoE model with 49B active params, 1M context and a 214GiB quantized path — future_coded · 2026-09-05