---
title: "Hy4 Preview"
type: entity
entity_type: model
url: https://frontiernewswire.com/models/hy4-preview
updated: 2026-11-04T10:55:00.000Z
---

# Hy4 Preview

Canonical: https://frontiernewswire.com/models/hy4-preview

- **Type:** Model
- **Signals:** 3
- **First seen:** Aug 29, 2026
- **Last seen:** Nov 4, 2026
- **Also known as:** Hy4

## Recent signals

- [Tencent releases its Hy4 open-weight foundation model, which it says joins the top tier of Chinese open-weight AI for the first time, and plans a Flash version (Bloomberg)](https://frontiernewswire.com/s/tencent-releases-its-hy4-open-weight-foundation-model-which-it-says-347bdf5d) (Nov 4, 2026)
- [Introducing Hy4 Preview](https://frontiernewswire.com/s/introducing-hy4-preview-v6ef15d8f) (Aug 29, 2026)
- [Tencent releases Hy4 Preview, a 770B-parameter open model with a 1M context window, and says it narrowly beat GLM-5.3 and Kimi K3 in internal engineering tests](https://frontiernewswire.com/s/tencent-releases-hy4-preview-a-770b-parameter-open-model-with-a-1m-dabe7fbd) (Aug 29, 2026)

## Related

- [Open-weight models](https://frontiernewswire.com/topics/open-weight-models) (Topic)
- [Tencent](https://frontiernewswire.com/companies/tencent) (Company)
- [Hugging Face](https://frontiernewswire.com/companies/hugging-face) (Company)
- [Kimi K3](https://frontiernewswire.com/models/kimi-k3) (Model)
- [GLM-5.3](https://frontiernewswire.com/models/glm-5-3) (Model)

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