100% OFFLINE CHATGPT ALTERNATIVE • 32,000+ GITHUB STARS • AGPL-3.0

Jan AI • Local AI & Chat

Run Powerful AI on Your PC — 100% Private, Fast & Offline

100% offline, private ChatGPT alternative for Windows. Run DeepSeek, Llama 3.3, and Qwen locally. Verified open-source alternative to ChatGPT Plus ($20/mo), Claude Pro ($20/mo), Copilot Pro. Enjoy full offline privacy, zero subscriptions, and complete ownership.

Direct Windows Installer (.EXE — 18.7 MB)•Windows 10/11 (64-bit), macOS 12+, Ubuntu 20.04+•AGPL-3.0
32.5k ★
Jan AI Local LLM Studio interface preview
100% OPEN SOURCE
100% OfflineDeepSeek & Llama 3Local REST API
💰 Save $240 / year vs ChatGPT Plus
Zero Malware • 100% Free Open Source

6 Core Superpowers of Jan AI

100% Private & Air-Gapped

Your chats, confidential files and code never leave your computer. No tracking and no cloud data leaks.

Works 100% Offline

Zero Wi-Fi or internet connection needed. Write code, draft documents and brainstorm anywhere.

Multi-Model Powerhouse

Switch between DeepSeek-R1, Llama 3.2, Qwen 2.5 and Mistral with a single click.

Save $240 / Year

Enjoy unlimited AI capabilities without paying $20/month for ChatGPT Plus or Claude Pro.

Dual-Mode Cloud AI

Optionally connect free API keys (Groq, OpenRouter, DeepSeek) for lightning-fast cloud speed with zero RAM usage.

Developer-Ready & Local API

Includes a built-in local OpenAI-compatible server (localhost:1337) and MCP tool routing.

Market Worth & SaaS Replacement Appraisal

Why Pay Subscriptions? 100% Free & Open-Source.

Run DeepSeek R1, Llama 3.3, and Qwen locally on your PC. Complete data privacy with zero subscription fees.

Your Annual Savings - / yearper seat / forever free
Commercial Market Cost
- / yr

Paid licenses & subscriptions in the commercial market

ChatGPT Plus (/yr)Claude Pro (/yr)Gemini Advanced (/yr)
Your Cost Here
Free Forever (AGPL-3.0)

Permissive license, unlimited local usage on your PC

AGPL-3.0 Open Source
Data Ownership
100% Local Privacy

No cloud telemetry, no account locking, zero vendor spying

Runs natively on Windows 10/11
Key CapabilityJan AI Desktop Studio (Open-Source)Commercial Paid Competitors
Annual Cost
Forever
•/year per user
Internet Requirement
100% Offline Capable
•Mandatory Constant Internet
Chat Privacy & Storage
Saved Locally on Your Hard Drive
•Stored on Cloud Servers / Used for Training
Local API Server
Built-in localhost:1337 Endpoint
•Separate expensive API billing
Model Switching
Switch between DeepSeek, Llama, Mistral
•Locked into single vendor
Censorship & Outages
Zero Outages, Zero Arbitrary Censorship
•Frequent downtime & strict filters
How You Can Use This Tool Right Now (The Free Pathway)
Step 1: Download & Run Free

Download Jan-Setup-x64.exe, launch the installer, and download your favorite open LLM weights in 1-click directly from HuggingFace.

Step 2: Why It Is 100% Free

Built by the open-source community to provide a privacy-first, local alternative to cloud surveillance chat apps.

Step 3: DIGI BIZ OS Integration

Exposes a local OpenAI-compatible API on port 1337 that DIGI BIZ OS connects to for zero-latency local intelligence.

Ready to replace expensive SaaS? Download the free installer directly:
Hardware & Software Compatibility

System Requirements & Technical Specs

Execution Mode: 100% Local (Offline)

Supported OS

Windows 10/11 (64-bit), macOS 12+, Ubuntu 20.04+

Processor (CPU)

Intel Core i5 / AMD Ryzen 5 with AVX2 instruction support

System RAM

8 GB RAM Minimum (16 GB for 7B/8B models, 32 GB for 14B+)

GPU & Acceleration

Optional: NVIDIA GPU (6 GB+ VRAM recommended for CUDA acceleration)

Storage Footprint

1 GB app install + 4–10 GB per downloaded model

Runtime / Setup

Standalone Native Application (Zero external dependencies)

Transparency & Licensing

Verified Open-Source Trust & Provenance

Every software package in the Digi Biz OS hub is independently audited, virus-scanned, and transparently mapped to its official source repository.

Verified Free

AGPL-3.0

Open-source AGPL-3.0 copyleft license ensuring software freedom and perpetual privacy. No trial periods, no locked features, and no subscription traps.

Commercial Permitted
32.5k ★

Official Repository

Inspect raw source code, developer commit histories, and issue trackers directly on GitHub.

Clean Scan

Zero Malware / Spyware

All binaries and scripts are verified against virus databases. Clean SHA-256 hash verified.

100% Local (Offline)
UK Verified

Curated by Digiformation

Curated and validated by Digiformation Ltd from official JanHQ releases. Tested for frictionless desktop installation on Windows 10/11.

Co. Reg #16994903
Frequently Asked Questions

Common Questions About Jan AI

Concise, factual answers regarding capabilities, licensing, offline reliability, and hardware compatibility.

Yes. Once you download your chosen open-source model weights (such as DeepSeek-R1, Llama 3.3, or Mistral), Jan AI runs 100% locally on your computer with zero internet access or data transmission.
Next Step • Business Operating System

Bring Offline Intelligence Into Your Entire Business OS

Jan AI provides private local chat. DIGI BIZ OS takes offline intelligence further by integrating local Whisper voice recognition, private CRM contact matching, and autonomous desktop task automation.

  • Sub-200ms offline voice command recognition powered by local Whisper AI
  • Private client management where zero customer details touch cloud servers
  • Local document analysis integrated directly with bookkeeping and invoicing
  • Perpetual software license with zero recurring cloud subscription costs

Get Jan AI Free, Then Connect to DIGI BIZ OS

Enjoy full privacy, zero recurring subscriptions, and perpetual open-source freedom on your hardware.