Tencent Hy4 Preview: The 770B Open-Source MoE Model Reshaping the Productivity AI Race
Posted on 31st Aug 2026 06:04:41 in Artificial Intelligence, Machine Learning
Tagged as: Tencent, Hunyuan, Hy4, open source AI, LLM, MoE
Tencent has open-sourced Hy4 preview, a 770B-parameter mixture-of-experts model with a 1M-token context window that tops blind engineering evaluations against GLM-5.3 and Kimi K3.