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Jan AI Review 2026 — 100% Offline Open Source AI Assistant
Jan is a free, open-source desktop AI assistant that runs entirely offline. No cloud, no telemetry, OpenAI-compatible API. Works on Windows, Mac, Linux.
In inglese
Jan runs AI models on your computer and can connect to online model providers. It includes chat, file handling, web search, agents, MCP connectors, projects, and a local OpenAI-compatible API server.
It is aimed at people who want local AI, privacy, model choice, or developer control. Jan itself is free and does not require an account for local use; online model providers may charge separately. Native mobile apps are not listed as available.
Features
- Run AI models locally on macOS, Windows, and Linux
- Connect models from OpenAI, Anthropic, Google, Mistral, and other providers
- Use built-in web_search and web_fetch tools
- Run autonomous agents that work with files, commands, and web research
- Extend Jan with Model Context Protocol connectors
- Serve local models through an OpenAI-compatible API
- Use Jan CLI to serve models and launch agents from a terminal
- Open-source software licensed under Apache 2.0
Use cases
- Run private AI chats and model inference on your own computer
- Connect local models to files, commands, calendars, or external tools
- Search the web and fetch pages from inside supported model chats
- Build applications against Jan's local OpenAI-compatible API
- Compare open models and connected cloud models in one interface
Pros
Cons
Latest updates
- Jan v0.8.4: Native Web Search, Per-Model Chat Templates & a Backend Settings Store (v0.8.4)
Adds native web_search / web_fetch tools, per-model chat-template kwargs for llama.cpp, a token counter, and a backend-managed store for settings and credentials.
- Jan v0.8.3: Message Branching, Linux Custom Titlebar & HTML/SVG Artifacts (v0.8.3)
Brings message version branching, a Linux titlebar, a reasoning/tool timeline, HTML and SVG artifact previews, video input for local vision models, and fixes.
- Jan v0.8.2: Faster Startup, AMD ROCm/HIP on Linux & Resumable Downloads (v0.8.2)
Adds AMD ROCm/HIP support on Linux, a phased-startup loader, pause/resume model downloads, a context size default, and fixes.
- Jan v0.8.1: Anthropic-Compatible Custom Providers, Per-Message Errors & llama.cpp Settings Overhaul (v0.8.1)
Adds Anthropic-compatible custom providers, OS-native TLS trust, a sampler popover, per-thread and per-message errors, and llama.cpp settings.
- Jan v0.8.0: Multi-Token Prediction, llama.cpp Router Mode & Inline MCP Approval (v0.8.0)
Ships Multi-Token Prediction, a llama.cpp router process, inline MCP tool approval with citation cards, per-model fit labels, bulk model deletion, activity indicators…
Capabilities
- Chat about your code — “Install Jan on macOS, Windows, or Linux and chat with AI in minutes — no account needed.” source
- Agent that edits files — “Give Jan a task and it works on it autonomously — files, commands, and web research.” source
- Runs commands — “Give Jan a task and it works on it autonomously — files, commands, and web research.” source
- Command line — “Serve local models and launch autonomous agents from your terminal using Jan's local AI.” source
- Choice of models — “Choose from open models or plug in your favorite online models.” source
- Self-hosted — “Run a local OpenAI-compatible API server on your machine.” source
- API — “Run a local OpenAI-compatible API server on your machine.” source
Get it
Pricing
- Prices checked
- 2026-09-25