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Haidra-Org/AI-Horde

A free, community-run distributed service where volunteer GPUs generate AI images and text for anyone who submits a request.

Open-source alternative to:Midjourney

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What is it?

AI Horde is a crowdsourced inference cluster for AI image and text generation. Volunteers run worker software on their own machines, and the middleware routes incoming requests to whichever workers can handle each job. Users can ask for images from Stable Diffusion-style models or text from LLMs, including models such as Pygmalion and Llama, without owning a powerful GPU.

The system uses a kudos point economy to balance load. Workers earn kudos for processing requests, and users with more kudos get higher queue priority. Kudos cannot be bought or sold. Anonymous access is available, and registered accounts receive better priority and can track their balance.

Besides the public instance, the middleware can be deployed privately inside an organization. It is built in Python with PostgreSQL and Redis, and it ships with Docker support. Clients such as third-party websites, games and apps consume the service through its REST API.

Key features

  • 01Distributes image and text generation jobs to volunteer GPU workers.
  • 02Uses a kudos points system to set queue priority and keep access fair.
  • 03Allows anonymous use as well as registered accounts via OAuth2.
  • 04Exposes a REST API for third-party websites, games and apps.
  • 05Can be deployed privately with PostgreSQL, Redis and Docker.

Use cases

  • Generating AI art without a local high-end GPU.
  • Adding AI text or image generation to a third-party app or game via the API.
  • Contributing idle GPU time to help others create content.
  • Running a private AI generation cluster inside an organization.

Quick start

  1. 1

    Register an account at the AI Horde website to get an API key

  2. 2

    Use the public service anonymously with API key 0000000000 (no registration needed)

  3. 3

    To contribute image generation, run the officially supported worker software horde-worker-reGen

Things to know

  • Anonymous users get the lowest queue priority and may be restricted during high load.
  • Contributing a GPU requires running separate worker software, which needs capable hardware.
  • Self-hosting the middleware requires PostgreSQL, Redis and Python 3.9 or later.

In collections

Self-hosted appsAI image generators & Stable Diffusion tools

Topics

#ai#distributed-computing#volunteer-computing#stable-diffusion#llm#flask-api#self-hosted#gpt#opt

FAQ

What is AI-Horde?
A free, community-run distributed service where volunteer GPUs generate AI images and text for anyone who submits a request. AI Horde is a crowdsourced inference cluster for AI image and text generation. Volunteers run worker software on their own machines, and the middleware routes incoming requests to whichever workers can handle each job. Users can ask for images from Stable Diffusion-style models or text from LLMs, including models such as Pygmalion and Llama, without owning a powerful GPU.
Is AI-Horde free to use? What license does it have?
AI-Horde is open source under the AGPL-3.0 license. Check the license terms before using it in commercial products.
Is AI-Horde still maintained?
Actively maintained. The last commit to AI-Horde was on Oct 14, 2026.
What can I use AI-Horde for?
Generating AI art without a local high-end GPU. Adding AI text or image generation to a third-party app or game via the API. Contributing idle GPU time to help others create content. Running a private AI generation cluster inside an organization.
How do I install AI-Horde?
Register an account at the AI Horde website to get an API key Use the public service anonymously with API key 0000000000 (no registration needed) To contribute image generation, run the officially supported worker software horde-worker-reGen
Where can I get AI-Horde?
The source code and installation instructions are on GitHub: https://github.com/Haidra-Org/AI-Horde

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