Who should use Hy4 Preview?

Hy4 Preview is an open-source project built for AI developers and researchers.

Yes — Hy4 Preview is open source under the Open Source license and free to use.

What platforms does Hy4 Preview run on?

Hy4 Preview runs on the web, the command line, and API. It can also be self-hosted.

Is Hy4 Preview still maintained?

The GitHub repository shows 1 commit in the last 90 days.

What projects are similar to Hy4 Preview?

Similar projects tracked by PulseGate include Hy4 Preview, Hy4 preview, and Hy3 Preview.

Who develops Hy4 Preview?

Hy4 Preview is developed by Tencent.

When did Hy4 Preview launch?

Hy4 Preview first shipped in 2026.

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Hy4 Preview

Name: Hy4 Preview
Author: Tencent

huggingface.coInfrastructure

Hy4 Preview is an open-weight language model published by Tencent on Hugging Face. Developers and researchers can download and run it locally or deploy it with supported inference tooling for reasoning and text-generation workloads.

Open SourceWebCLISelf-hostedAPI

Visit huggingface.co

82stars

1fork

5features

2026since

Overview

5 features

In the Reasoning space, Hy4 Preview takes a focused approach. It focuses on running reasoning-focused language model inference without relying exclusively on proprietary hosted APIs. It is built as an open-source project for AI developers and researchers. Hy4 Preview is open source under the Open Source license. Hy4 Preview is available on the web, the command line, and API, and it can be self-hosted.

Tencent builds and maintains Hy4 Preview, and it first shipped in 2026. The project is developed in the open on GitHub with 82 stars and 1 commit in the last 90 days. Among its 5 catalogued features are text generation, reasoning, and tool calling.

Summary written by a language model from the project’s public pages.

Text generation
Reasoning
Tool calling
Chat templates
Local inference

Built with & integrations

Hosting

AWS

AI providers

local_oss

Runs on

BrowserCLISelf-hostedAPI-only

Detected from

AWS: x-amz-cf-id header · x-amz-cf-pop header · via header
local_oss: bvllm in the HTML

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of Service Open SourceFree tierGitHub · ★ 82Active maintenance

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed28 Aug · 07:16 UTC
Hy4 Preview verified against its public source
Source: PulseGate · Open

Frequently asked questions about Hy4 Preview

What does Hy4 Preview do?: Hy4 Preview focuses on running reasoning-focused language model inference without relying exclusively on proprietary hosted APIs. It is catalogued under Reasoning on PulseGate.
Who should use Hy4 Preview?: Hy4 Preview is an open-source project built for AI developers and researchers.
Is Hy4 Preview free?: Yes — Hy4 Preview is open source under the Open Source license and free to use.
What platforms does Hy4 Preview run on?: Hy4 Preview runs on the web, the command line, and API. It can also be self-hosted.
Is Hy4 Preview still maintained?: The GitHub repository shows 1 commit in the last 90 days.
What projects are similar to Hy4 Preview?: Similar projects tracked by PulseGate include Hy4 Preview, Hy4 preview, and Hy3 Preview.Hy4 Preview Hy4 preview Hy3 Preview
Who develops Hy4 Preview?: Hy4 Preview is developed by Tencent.
When did Hy4 Preview launch?: Hy4 Preview first shipped in 2026.

At a glance

Pricing: Open Source
Platforms: CLI · Web
Languages: English
Open source: Yes · ★ 82
License: Open Source
First seen: 28 Aug 2026
Built for: AI developers and researchers
Model: Open source
Solves: Running reasoning-focused language model inference without relying exclusively on proprietary hosted APIs.

Registered as

GitHub: Tencent-Hunyuan/Hy4-preview

Developer

Tencent

Solo developer

GitHub

Open source

View on GitHub

Stars: 82
Forks: 1
Open issues: 1
Last commit: 28 Aug 2026
Commits 90d: 1
Contributors: 1
Authorship: Solo
Default branch: main

Index record

Indexed: 28 Aug 2026
Lifecycle: Alive
First seen: Aug 2026
Last seen: 28 Aug 2026

Identity audit (13)

Slug: hy4-preview-huggingface-co
Lifecycle state recorded: 28 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 28 Aug 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model from page content.
Last updated: 28 Aug 2026
Canonical URL: https://huggingface.co/tencent/Hy4-preview

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