Jan vs Bolt.new
An open-source, offline ChatGPT alternative that runs AI models locally on your computer. Jan is a friendly desktop app (Windows, Mac, Linux) that downloads open models and keeps every conversation 100% private — no account, no cloud.
🧠 Expert verdict
Our expert verdict: Bolt.new is the stronger all-round choice, scoring 4.7/5 versus 4.6/5 for Jan, and it stands out for "Full-stack apps generated and run in-browser". If budget is your priority, Jan (Free / Open Source) is the more affordable option. Choose Bolt.new if you want the best code tool overall, especially for rapid prototyping; pick Jan if "Offline, 100% private AI chat" matters more for your workflow.
Jan
An open-source, offline ChatGPT alternative that runs AI models locally on your computer. Jan is a friendly desktop app (Windows, Mac, Linux) that downloads open models and keeps every conversation 100% private — no account, no cloud.
Bolt.new
StackBlitz AI full-stack app builder — generate, run, edit, and deploy apps entirely in the browser.
Jan
✅ Pros
- +Offline, 100% private AI chat
- +Friendly desktop app (no CLI)
- +Downloads open models easily
- +Free and open source
- +No account required
❌ Cons
- −Needs decent hardware for big models
- −Fewer features than cloud ChatGPT
- −No mobile app
- −Local model quality varies
Bolt.new
✅ Pros
- +Full-stack apps generated and run in-browser
- +Instant preview & one-click deployment
- +No local environment setup required
- +Great for rapid prototyping
❌ Cons
- −Can struggle with very complex codebases
- −Usage limits on free tier
- −Less control than a local IDE
🎯 Best for — Jan
🎯 Best for — Bolt.new
🏷️ Tags — Jan
🏷️ Tags — Bolt.new
Our Verdict
After comparing ratings, pricing and features, Bolt.new comes out ahead with a 4.7/5 rating. It is the better choice for most users.
Expert take on each tool
📌 Jan
Jan is the friendliest open-source way to run AI locally: a clean desktop app that keeps every conversation offline and private, with no account or cloud. The best pick for non-developers who want a private ChatGPT alternative on their own machine.
📌 Bolt.new
Bolt.new is ideal for quickly turning an idea into a working full-stack app entirely in the browser, with no setup required.
❓ Frequently Asked Questions
Which is better: Jan or Bolt.new?
Bolt.new has the higher user rating (4.7/5 vs 4.6/5), making it the stronger overall pick. That said, Jan can still be the better fit depending on your budget and specific needs — see the full comparison above.
Is Jan or Bolt.new cheaper?
Jan (Free / Open Source) is generally more budget-friendly than Bolt.new (Free / $20/mo). If cost is your main concern, Jan is worth trying first — but compare the feature sets above to confirm it covers what you need.
Can I switch from Jan to Bolt.new?
Yes — switching between Jan and Bolt.new is usually straightforward since both are code tools with similar core workflows. Most users can export their data and get started with Bolt.new within a day; just check Bolt.new's free plan before committing to a paid tier.