Overview
Jan AI — Open-source alternative to ChatGPT that runs offline
Jan is an open-source desktop application for running AI models completely offline. It provides a ChatGPT-like interface, model management, and a local API server, all while keeping your data completely on your device. Supports Llama, Mistral, and many other models.
Fully offline AI chat
Open source
Model manager
Local API server
Features & capabilities
Everything it does, in plain English.
FeatureFully offline AI chatIncluded
FeatureOpen sourceIncluded
FeatureModel managerIncluded
FeatureLocal API serverIncluded
FeatureExtensions systemIncluded
FeatureMultiple model supportIncluded
FeaturePrivacy-first designIncluded
API AccessProgrammatic access available for developers.Available
PlatformsmacOS · Windows · Linux
The honest take
Where it shines, where it stumbles.
✓ Pros
- ✓100% offline and private
- ✓Open source
- ✓Easy to use
- ✓Extension ecosystem
! Watch-outs
- !Hardware requirements
- !Slower than cloud AI
- !Fewer integrations than commercial tools
Who it's for
Where Jan AI pays for itself fast.
— Use case
Private AI conversations
— Use case
Offline AI development
— Use case
Research with sensitive data
— Use case
Privacy-conscious AI use
Community reviews
Share your take on Jan AI
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B
★★★★★
4 months ago
Worth every cent
Seriously impressive. I use this daily and it's become essential to how I work. The output quality surprised me — it actually sounds human. Integration with my existing tools was seamless — no friction at all.
M
★★★★★
4 months ago
Impressed with the results
Works really well for my use case. The collaboration features are genuinely well thought-out. The AI doesn't just suggest — it learns from my preferences over time. Wish the free tier had slightly higher limits.
L
★★★★★
5 months ago
The best product I've used
Best-in-class, period. The accuracy has improved significantly with recent model updates. Integration with my existing tools was seamless — no friction at all.
V
★★★★★
5 months ago
Incredible — highly recommend
This is exactly what I was looking for. The customization options let me tailor it to my exact workflow. The output quality surprised me — it actually sounds human. Looking forward to seeing how it improves.
V
★★★★★
6 months ago
Outstanding experience
Seriously impressive. It integrates well with VS Code / Slack / Notion — my daily drivers. The accuracy has improved significantly with recent model updates. Will continue using this long-term.
A
★★★★★
9 months ago
Impressed with the results
Genuinely useful — glad I tried it. Integration with my existing tools was seamless — no friction at all. My team adopted this immediately after I shared it with them. The output quality surprised me — it actually sounds human.
L
★★★★★
9 months ago
Changed how I work completely
This is exactly what I was looking for. Customer support responded within hours and solved my issue. The customization options let me tailor it to my exact workflow. It handles edge cases better than anything else I've tried.
K
★★★★★
9 months ago
Worth every cent
Worth every penny. Integration with my existing tools was seamless — no friction at all. The collaboration features are genuinely well thought-out. It integrates well with VS Code / Slack / Notion — my daily drivers.
C
★★★★★
10 months ago
Blew away all expectations
Game changer for my workflow. The collaboration features are genuinely well thought-out. The output quality surprised me — it actually sounds human. Would recommend to anyone in my industry.
K
★★★★★
11 months ago
The best tool I've used
Best-in-class, period. Pricing is fair for the value you get.
Z
★★★★★
11 months ago
Exactly what I needed
Can't imagine working without it now. The API is well-documented and easy to work with.
M
★★★★★
1 years ago
Outstanding experience
Seriously impressive. Customer support responded within hours and solved my issue. The ROI was clear within the first week of using it. Definitely worth trying.
L
★★★★★
1 years ago
Good for some things, not others
Decent tool, not without issues. The recent updates have addressed most of my initial concerns. Reduced the time I spend on this task by about 70%. Customer support response times could be faster.
Y
★★★★★
1 years ago
Okay product, not amazing
Useful but frustrating at times. The AI doesn't just suggest — it learns from my preferences over time. Reduced the time I spend on this task by about 70%.
A
★★★★★
1 years ago
The best solution I've used
Game changer for my workflow. It integrates well with VS Code / Slack / Notion — my daily drivers. My team is very happy with the results.
N
★★★★★
1 years ago
Blew away all expectations
Best-in-class, period. The outputs require minimal editing — saves so much back-and-forth. It integrates well with VS Code / Slack / Notion — my daily drivers. Keep up the great work, team.
T
★★★★★
1 years ago
Does the job well
Recommended for anyone in my field. The accuracy has improved significantly with recent model updates. I've recommended this to at least 10 colleagues already. A few missing integrations I'd like to see added. A staple in my tech stack now.
A
★★★★★
1 years ago
Outstanding experience
Blown away by the quality. The recent updates have addressed most of my initial concerns. Customer support responded within hours and solved my issue.
J
★★★★★
1 years ago
Outstanding experience
Worth every penny. I use this daily and it's become essential to how I work. The customization options let me tailor it to my exact workflow. A staple in my tech stack now.
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