Tencent: Hy4 preview

Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total.

Context
1.0M
Max output
64K
Input price
$0.83/1M tokens
Output price
$2.5/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode

Details

Model IDtencent/hy4-preview
Provider OpenRouter
Creator tencent
Family—
License—
Status—
Type—
Input modalitiestext
Output modalitiestext
Open weight—
Parameters—
Architecture—
Context window1.0M tokens
Max input—
Max output64K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$0.83
Output
$2.5
Cache write
—
Cache read
$0.04
Batch in
—
Batch out
—

API

GET/v1/models/openrouter/tencent/hy4-preview

Tencent: Hy4 preview

tencent/hy4-preview

Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total.

Changes · 2 entries
tencent/hy4-previewcreateca7a400Nov 2, 2026, 03:02 AM
tencent/hy4-previewcreatee3d7dedAug 31, 2026, 04:13 AM