Hy3
Tencent · 2026-07-06 · 298.8B parameters
Hy3 is Tencent Hy Team's July 2026 open-weight mixture-of-experts language model with an approximately 295B-parameter backbone, a 3.8B-parameter multi-token-prediction layer, about 21B active parameters, and a 256K-token context length. It follows the Hy3 preview release with scaled post-training and RL, targeting stronger reasoning, agentic coding, search, long-context, and production tool-use reliability.