Onyx (Danswer) vs PrivateGPT
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.
🧠 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.
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
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)
✅ 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
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
🎯 Best for — Onyx (Danswer)
🎯 Best for — PrivateGPT
🏷️ Tags — Onyx (Danswer)
🏷️ Tags — PrivateGPT
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
📌 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.
📌 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.
❓ Frequently Asked Questions
Which is better: Onyx (Danswer) or PrivateGPT?
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 Onyx (Danswer) or PrivateGPT 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 Onyx (Danswer) to PrivateGPT?
Yes — switching between Onyx (Danswer) and PrivateGPT is usually straightforward since both are chatbots tools with similar core workflows. Most users can export their data and get started with PrivateGPT within a day; just check PrivateGPT's free plan before committing to a paid tier.