The best open source ai chatbot for private teams
Stop sending company data to third-party LLM providers. Deploy Open WebUI on your own private server in 3 minutes. Total control, zero vendor lock-in, and full GDPR compliance.
Compare the best open source ai chatbot options
See how Open WebUI stacks up against leading alternatives for self-hosted AI.
Open source provides full ownership of your data and infrastructure.
Why businesses are moving to open source chatbots
Most commercial AI tools operate on a black-box model. Your prompts, documents, and internal knowledge are processed on servers you do not control. For companies in the EU or regulated industries, this creates a massive compliance risk.
Owning the interface
Open WebUI is the best open source ai chatbot for teams that need a ChatGPT-like experience without the privacy trade-offs. It acts as a secure frontend that connects to any model: local Ollama instances, OpenAI via API, or private Anthropic endpoints. You own the interface, the database, and the logs.
No more per-seat taxes
SaaS AI providers charge per user, per month. This discourages company-wide adoption. With a self-hosted Open WebUI instance on Opsily, you pay for the server, not the seat. You can invite your entire team of 50 people for the same flat monthly price.
Launch your private AI in minutes
Opsily handles the infrastructure so you can focus on building your AI workflows.
Choose Your App
Select an app to get started.
Select Open WebUI
Choose Open WebUI from our pre-configured app catalog.
Configure your server
Select a German-based server that fits your team size and document volume.
Connect and Chat
Log in to your private dashboard and connect your preferred LLM provider or local model.
The best open source ai chatbot hosting
Managed hosting for the best open source ai chatbot experience.
Automated Updates
Open WebUI moves fast. We manage the container updates so you always have the latest RAG features and security patches without manual CLI work.
EU Sovereign Infrastructure
Every Opsily server is located in Germany. This ensures your AI interactions stay within the EU, meeting strict GDPR and data residency requirements.
High Performance
Our servers are optimized for Python-based AI applications. Experience snappy response times and high-bandwidth document processing for large RAG libraries.
Turn your documents into an active knowledge base
Open WebUI is not just for chatting. Its core strength lies in Retrieval-Augmented Generation (RAG). This allows the AI to search through your internal PDFs, Word documents, and text files to answer questions based on your specific business data.
Secure Document Management
Traditional SaaS tools require you to upload your internal wiki or legal documents to their cloud. With Open WebUI on Opsily, your documents stay on your private server. The vector database used for search is also private. This makes it the best open source ai chatbot for sensitive internal knowledge management.
Multi-Model Flexibility
You are never locked into one model. If a new, more efficient model is released by Meta or Google, you simply update your API key or Ollama connection. Your interface and document library remain exactly the same. This is true future-proofing for the AI era.
Everything you need for enterprise AI
We don't gatekeep features. Every plan gets the full suite of Open WebUI capabilities.
Secure. Compliant. Private.
We build infrastructure for companies that cannot afford data leaks.
GDPR Compliant
Data never leaves German soil. We provide standard DPA agreements for all business customers.
Daily Backups
Your chat history and document database are backed up every 24 hours to a secondary secure location.
End-to-End Encryption
All traffic to your Open WebUI instance is secured via automated Let's Encrypt SSL certificates.
Uptime Guarantee
99.9% uptime guarantee.
Choose the right scale for your team
Simple flat-rate pricing. No per-user fees, no hidden API markups.
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