On August 28, Tencent Hunyuan rolled out the preview version of Hy4. This cutting-edge model is equipped with a staggering 770 billion parameters in total, out of which 49 billion are actively utilized, and it boasts an impressive context length of 1 million. In real-world productivity scenarios, including coding, office tasks, and scientific research endeavors, Hy4 has showcased outstanding performance, setting a new benchmark in the field.