Artificial Intelligencedocker-readypermissive-license

PrivateGPT: the best Open Source alternative to ChatGPT Plus in 2026

PrivateGPT lets you ask questions about your own documents using LLMs, running 100% on your infrastructure with no data ever leaving your network.

License Apache-2.0 ~55k stars (estimated)Website GitHub Repository

Technical profile

License: Apache-2.0
Category: Artificial Intelligence
Replaces: ChatGPT Plus
Tech stack: PythonLlamaIndex

Preview

Public image provided by PrivateGPT on its own website.

Key features

Q&A over your PDFs and documents
100% offline, no external API calls
Own REST API to integrate it

PrivateGPT vs. ChatGPT Plus

Pros

Ideal for sensitive data that can't leave your network

Things to consider

Performance depends on the local hardware available

Quick Docker installation guide

Copy this docker-compose.yml, adjust the example passwords and run docker compose up -d on your server. See the full step-by-step guide →

docker-compose.yml

version: "3.9"
services:
  privategpt:
    image: zylonai/private-gpt:latest
    restart: unless-stopped
    ports:
      - "8001:8001"
    volumes:
      - privategpt_data:/home/worker/app/local_data
volumes:
  privategpt_data: