What is Jan?
An open-source alternative to ChatGPT that runs entirely offline on your computer.
Verified product facts
- Type
- productivity appEditorially reviewed
- Platform
- macOS
- Pricing
- Open sourceDeveloper-stated
- Open source
- Yes
- Relationship to Nuanyue
- Third-party product — not published by NuanyueEditorially reviewed
- Current version
- 0.8.4Developer-stated
- Official website
- jan.ai/
Last updated . Facts marked developer-stated come from the developer and are not independently confirmed; editorially reviewed marks a Nuanyue judgement.
Key features
What Jan does at a glance.
Local AI Models
Download and run LLMs (Llama, Gemma, Qwen, GPT-oss etc.) from HuggingFace
Cloud Integration
Connect to GPT models via OpenAI, Claude models via Anthropic, Mistral, Groq, MiniMax, and others
Custom Assistants
Create specialized AI assistants for your tasks
OpenAI-Compatible API
Local server at localhost:1337 for other applications
Model Context Protocol
MCP integration for agentic capabilities
Privacy First
Everything runs locally when you want it to
Overview
An open-source alternative to ChatGPT that runs entirely offline on your computer.
Jan runs on macOS and is listed on Nuanyue in the productivity category.
Links
Sources
Facts on this page are checked against the sources below. Last updated .
- Jan — official websiteGrade B
- Jan — source repositoryGrade D




