Jan
A free, open-source desktop app for chatting with local open models or cloud models, with MCP connectors and a local API server.
About Jan
People want ChatGPT-style help while keeping their data and model choice under their control.
Who it’s for
- Privacy-minded users running local models
- Developers needing a local OpenAI-compatible server
When to consider it
Consider Jan when you want an open-source desktop assistant that can run models on your own machine.
Tradeoffs & limitations
- Local models need enough memory and a capable GPU or Apple silicon to run well.
SOTA overview · Documentation-based assessment · Sources & review method
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Sources & review method
Documentation-based assessment · Oct 1, 2026 · Prepared with AI assistance; not a hands-on benchmark.
Checked by SOTA · AI-assisted documentation review. Selection advice is our assessment; verify current requirements for your deployment.
Import history & original evidence
Jan official website
A free, open-source desktop app for chatting with local open models or cloud models, with MCP connectors and a local API server.
Based on official pages and announcements checked on 2026-10-01. No hands-on test, performance benchmark or popularity ranking is claimed.