Megadose Signal over noise.

Tencent releases Hy4 Preview, a 770B-parameter foundational model with a 1M context window that it says outperforms Z.AI and Moonshot models in internal tests (Bloomberg)

Techmeme ·
Tencent says Hy4 Preview narrowly beat GLM-5.3 and Kimi K3 in its own engineering tests.

The model is open-weight, with 770B total parameters, 49B active parameters, and a 1M-token context window. Tencent describes it as built for coding, document analysis, and scientific research. Techmeme’s item points to Bloomberg and adds related coverage from Reuters, The Information, TechNode, and Caixin Global. Techmeme's note

score 7

Categories: Model Releases