Hy4 preview

Hy4 preview

Developer	Tencent
Release date	August 28, 2026
Family	Hunyuan
Generation	Hunyuan 4
Context window	1M tokens
Max output	64K tokens
Input	Text
Output	Text
Weights	Open weights
Predecessor	Hy3 preview
Website	tencent.com
Links	Model card Hugging Face

Part of a series on

input: $0.7506
cached: $0.0378
output: $2.2509
Context: 1Mtokens
Released: 2mo ago
Size: 780Bparameters

Specifications

Model

Developer: Tencent
Family: Hunyuan Hunyuan 4
Type: Language model
Released: August 28, 2026
Model ID: tencent/hy4-preview

Capabilities

Input → output: Text → Text
Max output: 64K tokens
Tokenizer: Other

Weights

Openness: Open weights
Size: 780B
Hugging Face: tencent/Hy4-preview

Sources:models.devOpenRouter

Metadata synced Nov 3, 2026, 11:17 PM UTC

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