Tencent Hy

Tencent Hy
DeveloperTencent
ReleaseSeptember 2023 (2023-09)
TypeLarge language model
LicenseHy3 and Hy4 preview: Apache 2.0
Hy3 preview: Tencent Hy Community License
Websiteaistudio.tencent.com
Repositoryhttps://github.com/Tencent-Hunyuan

Tencent Hy, formerly known as Tencent Hunyuan, is a family of large language models developed by the Chinese technology company Tencent. The Hy models are open-weight and use mixture of experts (MoE) architectures. The family includes Hy3 preview released in April 2026, Hy3 released in July 2026, and Hy4 preview released in August 2026. Hy4 preview has 770 billion total parameters, of which 49 billion are active for each token, and supports a context window of more than one million tokens. It is designed for tasks including software engineering, scientific research, financial analysis and the operation of AI agents.