What is the main difference between Atomic Chat and Jan?

Atomic Chat and Jan are both ai chat interfaces but differ in their approach, features, and target audience. Compare their GitHub stats, technology stack, and community adoption to make the best choice.

Which is better: Atomic Chat or Jan?

The choice between Atomic Chat and Jan depends on your specific needs, technical requirements, and team preferences. Both are quality open source solutions with active communities.

Can I migrate from Atomic Chat to Jan?

Migration between Atomic Chat and Jan is possible but requires careful planning. Consider data export/import capabilities, feature parity, and potential workflow changes.

Stellar Hosted – Managed Open Source software hosting in the EU: secure, compliant, fast.

Learn more

Atomic Chat vs Jan

Learn how Atomic Chat and Jan differ in their key features, development activity, technology stack and community adoption, so you can decide which of these ai chat interfaces is best for you.

Atomic Chat

Desktop and mobile app that runs 1,000+ open models like Gemma, Qwen and DeepSeek locally. No account, no cloud, no rate limits, and chats never leave your device.

Visit Atomic Chat Read more

1,850stars+223(+14%)

Last 30 days

Last commit
3 days ago
Repository age
7 months
Version
v2.2.26
License
Apache-2.0
Self-hosted
Yes
Repository
atomic-chat

Jan

Jan runs open-source AI models on your own hardware or connects to cloud providers like OpenAI, Anthropic, and Google, keeping your conversations off third-party servers.

Visit Jan Read more

45,089stars+430(+1%)

Last 30 days

Last commit
7 hours ago
Repository age
3 years
Version
v0.8.7
License
Apache-2.0
Self-hosted
Yes
Repository
janhq/jan

Detailed Comparison

Both Atomic Chat and Jan have their unique strengths and serve similar purposes effectively. Consider your specific needs regarding popularity, growth, activity, maturity, licensing and features when making your decision.

Jan wins

Community & Popularity

Jan significantly outpaces Atomic Chat in community adoption with 45,089 stars compared to 1,850 stars on GitHub. This 24.4x difference suggests Jan has a much larger and more active community. In terms of developer contributions, Jan has 3,110 forks, indicating strong developer engagement.

Atomic Chat wins

Growth Momentum

Atomic Chat is growing faster, adding 223 stars in the last 30 days (+14%) against adding 430 stars for Jan (+1%). Atomic Chat is the smaller project of the two, so it is closing the gap rather than extending a lead.

Comparable

Development Activity

Both projects show recent activity, with Atomic Chat last updated 3 days ago and Jan 7 hours ago.

Jan wins

Project Maturity

Jan has been in development longer, starting 3 years ago, compared to Atomic Chat which began 7 months ago. This 2.7-year head start suggests Jan may have more mature features and established processes.

Comparable

Licensing

Both projects use the Apache-2.0 license, providing identical terms for usage and distribution.

Comparable

Use Cases & Features

Both tools serve similar use cases in AI Chat Interfaces, Local Model Runners. However, they also have distinct specializations: Jan extends into AI Personal Assistants.

Comparable