Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and productivity tasks that require planning, context continuity, and sustained multi-step execution.
Modalities
In / Out Price
$0.834 / $2.501per 1M
Context
1M
Released
Aug 28, 2026