---
id: 20260830-T0-02
title: "Introducing Hy4 Preview"
url: https://ai.daily.yangsir.net/daily/20260830-T0-02
issue_date: 2026-08-30
publish_date: 2026-08-29T23:53:13.000Z
source_name: "Simon Willison"
source_url: https://simonwillison.net/2026/Aug/29/hy4/
---

# Introducing Hy4 Preview

Introducing Hy4 Preview New open weight text input (no vision) LLM from Chinese company Tencent today: 770B total parameters, 49B active parameters, 1M token context window, 1.56TB on Hugging Face . This is a big size increase from their previous Hy3 in July, which was 295B, 21B active, 256,000 cont

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**来源**：[Simon Willison](https://simonwillison.net/2026/Aug/29/hy4/)

**详情页**：https://ai.daily.yangsir.net/daily/20260830-T0-02

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*智语观潮 · Daily — https://ai.daily.yangsir.net/llms.txt*