88Z AI, 28 August — Tencent Hunyuan has released its new flagship model, Hy4 preview, featuring 770B total parameters and 49B activated parameters with a 1M context window. The model excels in coding, office tasks, and scientific research, boosting inference throughput by 31.8% and achieving breakthroughs in molecular dynamics simulation speed and geometric problem-solving.
At a glance
- Hy4 preview features 770B total parameters and a 1M context window, with a 31.8% boost in inference throughput.
- The model doubles molecular dynamics simulation speed and advances the 3D Blaschke-Lebesgue volume lower bound to 0.41104.

The update
Tencent Hunyuan has officially launched its new flagship model, Hy4 preview. This model features a total of 770B parameters with 49B activated parameters and supports a context length of up to 1M. In real-world productivity applications, Hy4 preview demonstrates exceptional performance in tasks such as coding, office work, game development, and scientific research, achieving a 31.8% increase in end-to-end inference throughput. In the field of science, the model has achieved significant breakthroughs. It has doubled the speed of molecular dynamics simulations and made progress in solving a century-old geometric problem by advancing the lower bound of the three-dimensional Blaschke-Lebesgue volume to 0.41104. These achievements highlight the strong capabilities of Hy4 preview in handling complex computations and high-precision scientific tasks.
Sources & editorial note
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- 腾讯混元Source published
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