Jan vs 
exo
Jan vs exo compared for 2026 — features, license, ease of use, performance and which one to choose. Open-source, offline ChatGPT-style desktop app vs Run big models across your everyday devices.
Updated regularly · curated by OpenSourceAI.tech
Jan vs exo at a glance
| Spec | Jan | exo |
|---|---|---|
| Category | Run LLMs locally | Run LLMs locally |
| Type | Desktop app (open source) | Distributed home cluster |
| License | AGPL-3.0 | GPL-3.0 |
| Runs locally | Yes | Yes |
| Primary language | TypeScript | Python |
| Ease of use | Beginner | Intermediate |
| Best for | users who want an open-source LM Studio alternative | running models too large for any single machine at home |
| GitHub stars | 43.6k | — |
Feature comparison
| Feature | Jan | exo |
|---|---|---|
| Runs locally | ✓ | ✓ |
| Graphical UI | ✓ | ✗ |
| OpenAI-compatible API | ✓ | ✓ |
| Docker | ✗ | ✗ |
| GPU acceleration | ✓ | ✓ |
| Built-in model library | ✓ | ✓ |
How Jan and exo score
| Criterion | Jan | exo |
|---|---|---|
| Popularity | 4.0 | n/a |
| Maintenance | 5.0 | n/a |
| Ease of use | 5.0 | 3.5 |
| Privacy | 5.0 | 5.0 |
| License freedom | 3.5 | 3.5 |
Scores are computed automatically from public signals — GitHub stars (popularity), recent commit activity (maintenance), license type (freedom), local-first design (privacy) and onboarding complexity (ease of use). Indicative, not a verdict.
What each one is
Jan
Jan is a fully open-source desktop assistant that wraps local models in a clean ChatGPT-style UI, with a built-in model hub and an optional local API server.
- Fully open source with a clean desktop UI
- Local API server and optional cloud model hybrid use
- Privacy-first, works entirely offline
exo
exo turns the devices you already own — Macs, PCs, phones — into a self-organizing AI cluster, splitting large models across them with automatic peer discovery.
- Aggregates the memory of all your devices automatically
- ChatGPT-compatible API on your own cluster
- No expensive GPU server needed for large models
Key differences
Jan is desktop app (open source), while exo is distributed home cluster. Their licenses differ (AGPL-3.0 vs GPL-3.0), which matters if you ship a commercial product. Jan leans more beginner-friendly, whereas exo is more suited to intermediate users. In short, Jan fits users who want an open-source LM Studio alternative, and exo fits running models too large for any single machine at home.
Which should you choose?
Choose Jan for users who want an open-source LM Studio alternative. Choose exo for running models too large for any single machine at home.
There is rarely one winner — many setups use both. The right pick depends on your hardware, your team's skills, and whether you value simplicity or control.
Frequently asked questions
Is Jan or exo easier to use?
Jan is generally the easier of the two to get started with, while exo rewards more setup with more control.
Are Jan and exo free?
Jan is free and open source (AGPL-3.0), and exo is free and open source (GPL-3.0). Neither charges for the core software.
Can I run Jan and exo locally?
Jan: yes · exo: yes. Both can be used without sending your data to a third-party cloud where their setup allows.
Jan vs exo — which should I pick in 2026?
Choose Jan for users who want an open-source LM Studio alternative. Choose exo for running models too large for any single machine at home.
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