Tencent Hy4 Preview

Hy Reasoning Tool Calling Open Weights Structured Output

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...

Providers 2

Released Aug 28, 2026

Input Modalities text

Output Modalities text

Tarsk Use coding

Available Providers (2)

Provider	Model ID	Input Cost	Output Cost	Context	Max Output	Docs
NanoGPT	`tencent/hy4-preview`	$0.83/MTok	$2.50/MTok	1.0M	64K
Vercel AI Gateway	`tencent/hy4-preview`	$0.83/MTok	$2.50/MTok	1.0M	64K

Capabilities

Reasoning

Tool Calling

Attachments

Open Weights

Structured Output