Hy3 focuses on running high-performance language models locally with efficient quantized GGUF format. It is catalogued under Foundation models & chat on PulseGate.

Hy3 is an open-source project built for developers.

Yes — Hy3 is open source under the MIT license and free to use.

What platforms does Hy3 run on?

Hy3 runs on the web, the command line, and API.

Is Hy3 still maintained?

The GitHub repository shows 1.2k commits in the last 90 days.

What are alternatives to Hy3?

Similar projects tracked by PulseGate include Hy3, Holo 3.1 35B A3B, and Phi 3.5 Mini Instruct.

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Hy3

Name: Hy3
Author: bartowski

huggingface.coInfrastructure

Hy3-GGUF is a repository of GGUF-quantized weights for the Hy3 language model. It includes specialized tokenization for tool calling, thinking steps, and structured conversations. The files are designed for use with local inference engines such as llama.cpp or LM Studio, enabling efficient on-device or self-hosted LLM usage.

Open SourceMITWebCLIAPI

Visit huggingface.co

121.8kstars

21.1kforks

2alternatives

3features

2023since

Overview

3 features

Hy3 is a Foundation models & chat project. It focuses on running high-performance language models locally with efficient quantized GGUF format. Hy3 is an open-source project aimed at developers. Hy3 is open source under the MIT license. Hy3 is available on the web, the command line, and API.

bartowski builds and maintains Hy3, and it first shipped in 2023. Development happens publicly on GitHub with 121.8k stars and 1.2k commits in the last 90 days. Among its 3 catalogued features are GGUF Quantization, Custom Tokenizer, and Tool Calling Support.

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

GGUF Quantization
Custom Tokenizer
Tool Calling Support

Built with & integrations

Hosting

AWS

AI providers

local_oss

Runs on

BrowserCLIAPI-only

Detected from

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

Trust & compliance

License

MIT

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceActive maintenance

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed28 Jul · 00:58 UTC
bartowski/Hy3-GGUF verified against its public source
Source: PulseGate · Open

Frequently asked questions about Hy3

What does Hy3 do?: Hy3 focuses on running high-performance language models locally with efficient quantized GGUF format. It is catalogued under Foundation models & chat on PulseGate.
Who should use Hy3?: Hy3 is an open-source project built for developers.
Is Hy3 free?: Yes — Hy3 is open source under the MIT license and free to use.
What platforms does Hy3 run on?: Hy3 runs on the web, the command line, and API.
Is Hy3 still maintained?: The GitHub repository shows 1.2k commits in the last 90 days.
What are alternatives to Hy3?: Similar projects tracked by PulseGate include Hy3, Holo 3.1 35B A3B, and Phi 3.5 Mini Instruct.Hy3 Holo 3.1 35B A3B Phi 3.5 Mini Instruct
Who develops Hy3?: Hy3 is developed by bartowski.
How long has Hy3 been around?: Hy3 first shipped in 2023.

At a glance

Pricing: Open Source
Platforms: Cli · Web
Languages: English
License: MIT
Built for: developers
Model: Open source
Solves: Running high-performance language models locally with efficient quantized GGUF format.

Registered as

Hugging Face: bartowski/Hy3-GGUF

Developer

bartowski

Community-driven

Open source

Stars: 121,804
Forks: 21,055
Open issues: 1,899
Last commit: 28 Jul 2026
Commits 90d: 1,189
Contributors: 1,850
Authorship: Community-driven
Default branch: master
Latest release: b10156 · 28 Jul 2026

Live coverage

Identity confidence: Medium · 70.4
Indexed: 28 Jul 2026
Lifecycle: Alive
Last seen: 28 Jul 2026

Identity audit (13)

Slug: bartowski-hy3-gguf-huggingface-co
Lifecycle state recorded: 28 Jul 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 28 Jul 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Derived from the model's own Hugging Face metadata.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model from page content.
Last updated: 6 Aug 2026
Canonical URL: https://huggingface.co/bartowski/Hy3-GGUF

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