The best open source ChatGPT alternative for modern teams
Stop paying 25 dollars per user. Deploy a private, enterprise-grade AI interface with unlimited seats, local data residency, and total model flexibility.
Why settle for a rented AI box?
Most teams start with ChatGPT Team or Enterprise. Then they see the bill. At 30 dollars per user, a team of ten pays 3.6K per year for an interface they do not own.
Open WebUI changes the math. It is the premier open source ChatGPT alternative. It provides the same sleek chat experience but runs on your infrastructure. You own the logs. You own the data.
Break the vendor lock-in
When you use a proprietary platform, you are stuck with their models and their privacy terms. With an open source alternative, you choose the brain. Connect GPT-4o for complex coding, Claude 3.5 for creative writing, or run local Llama 3 models for 100% offline privacy.
Opsily makes this transition instant. We handle the servers, the security updates, and the scaling. You just get a private URL where your team can work without big tech watching over their shoulder.
ChatGPT vs. Managed Open WebUI
See how hosting your own open source ChatGPT alternative stacks up.
Prices based on ChatGPT Team monthly billing ($30/user) vs Opsily Small plan.
An open source ChatGPT alternative built for privacy
Opsily manages your Open WebUI instance so you can focus on prompting, not sysadmin tasks.
GDPR-Ready by Default
Your instance lives on encrypted German hardware. Data never leaves your private environment to train third-party models. This is critical for legal and healthcare firms.
Lightning Fast Deployment
Skip the 3.5GB Docker headache. We deploy your Open WebUI instance in under three minutes with pre-configured RAG and Ollama support ready to go.
Zero Maintenance
Open source moves fast. We handle the daily security patches and core updates so your internal AI tool is always stable and feature-complete.
Built for teams who need reliability
Full control. No compromises.
Open WebUI isn't just a clone: it is a more powerful way to interact with AI.
Your private AI in three steps
Choose Your App
Select an app to get started.
Select Open WebUI
Choose Open WebUI from the Opsily app catalog. It comes pre-configured for production use.
Deploy to EU Server
One click launches your private instance on our secure infrastructure in Germany. No terminal required.
Connect and Invite
Add your API keys or use local models. Invite your entire team and start chatting immediately.
Simple pricing for your open source AI
One flat fee for your server. Unlimited users. No hidden per-seat costs.
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Enterprise-grade security
GDPR Compliant
All data hosted strictly within Germany, meeting the highest EU privacy standards.
Data Sovereignty
You own your database and files. Export your data at any time: no lock-in.
Daily Backups
Automated, encrypted off-site backups ensure your chat history is always protected.
Active Defense
Continuous integrity monitoring and threat detection for all infrastructure.
Open Source ChatGPT FAQ
Yes, Open WebUI is the leading open source ChatGPT alternative. It provides a familiar, polished interface that matches the ChatGPT experience while allowing you to host it on your own servers. Unlike proprietary apps, it can connect to any model via API or run local models through Ollama for total privacy.
Ready to reclaim your AI privacy?
Deploy your open source ChatGPT alternative in minutes. Free your team from per-seat taxes.