PrivateGPT vs Onyx (Danswer)
An open-source project to chat with your documents fully offline and privately. PrivateGPT runs local models so no data ever leaves your machine — a simple, secure way to build a private, ChatGPT-style assistant over your files.
🧠 Expert verdict
Our expert verdict: Onyx (Danswer) is the stronger all-round choice, scoring 4.5/5 versus 4.4/5 for PrivateGPT, and it stands out for "Connects 40+ company apps". If budget is your priority, PrivateGPT (Free / Open Source) is the more affordable option. Choose Onyx (Danswer) if you want the best chatbots tool overall, especially for internal knowledge search; pick PrivateGPT if "100% offline & private" matters more for your workflow.
PrivateGPT
An open-source project to chat with your documents fully offline and privately. PrivateGPT runs local models so no data ever leaves your machine — a simple, secure way to build a private, ChatGPT-style assistant over your files.
Onyx (Danswer)
An open-source enterprise AI assistant and search (formerly Danswer) that connects to your company's apps — Slack, Drive, Confluence, GitHub — to answer questions over internal knowledge. Self-hostable, secure and free.
PrivateGPT
✅ Pros
- +100% offline & private
- +Chat with your documents
- +No data leaves your machine
- +Free and open source
- +Good for sensitive data
❌ Cons
- −Developer setup
- −Local models need hardware
- −Fewer features than hosted tools
- −CLI/API oriented
Onyx (Danswer)
✅ Pros
- +Connects 40+ company apps
- +Self-hostable (data stays yours)
- +Open-source alternative to Glean
- +Secure with permissions
- +Free to run yourself
❌ Cons
- −Setup for connectors/IT
- −Hosted cloud plan is paid
- −Best for teams, not individuals
- −Requires maintenance
🎯 Best for — PrivateGPT
🎯 Best for — Onyx (Danswer)
🏷️ Tags — PrivateGPT
🏷️ Tags — Onyx (Danswer)
Our Verdict
After comparing ratings, pricing and features, Onyx (Danswer) comes out ahead with a 4.5/5 rating. It is the better choice for most users.
Expert take on each tool
📌 PrivateGPT
PrivateGPT is a great open-source choice when privacy is non-negotiable: chat with your documents fully offline, with no data leaving your machine. Ideal for legal, medical or confidential work where cloud AI is not an option.
📌 Onyx (Danswer)
Onyx (formerly Danswer) is the leading open-source alternative to Glean: connect your company apps and get a secure, self-hosted AI assistant over internal knowledge. Ideal for teams that want enterprise search without sending data to a vendor cloud.
❓ Frequently Asked Questions
Which is better: PrivateGPT or Onyx (Danswer)?
Onyx (Danswer) has the higher user rating (4.5/5 vs 4.4/5), making it the stronger overall pick. That said, PrivateGPT can still be the better fit depending on your budget and specific needs — see the full comparison above.
Is PrivateGPT or Onyx (Danswer) cheaper?
PrivateGPT (Free / Open Source) is generally more budget-friendly than Onyx (Danswer) (Free (open source) / cloud plans). If cost is your main concern, PrivateGPT is worth trying first — but compare the feature sets above to confirm it covers what you need.
Can I switch from PrivateGPT to Onyx (Danswer)?
Yes — switching between PrivateGPT and Onyx (Danswer) is usually straightforward since both are chatbots tools with similar core workflows. Most users can export their data and get started with Onyx (Danswer) within a day; just check Onyx (Danswer)'s free plan before committing to a paid tier.