Hy4 is Tencent Hunyuan's latest production large language model, marking the first time Hunyuan has joined the ranks of leading open-source models.
Compared with Hy4 preview, Hy4 significantly expands the scale of pretraining and posttraining, introduces vision capabilities for the first time, and substantially improves instruction following, long-document understanding, long-horizon tasks, and deep research.
Its new vision capabilities combine perception, reasoning, and tool use to handle tasks such as fine-grained image processing, complex chart analysis, and visual mathematical reasoning.
Hy4 is now available in Tabbit on both desktop and mobile. To try it, click the model switcher in the bottom-right corner of the chat input and select Hy4.
