# Tencent: Hy4 preview

Provider: tencent  
Category: llm  
Model ID: `tencent/hy4-preview`

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...

## Specs

- Context length: 1048576 tokens
- Max output: 64000 tokens
- Modalities: text
- Released: 2026-08-28

## Pricing

- Input: $0.83 per million tokens
- Output: $2.50 per million tokens

---
Last verified: 2026-09-04T02:00:56.012Z  
Canonical URL: https://switchy.build/directory/models/hy4-preview