The Best ChatGPT Alternatives: Free, Private, Self-Hosted
Open WebUI gives you everything ChatGPT Plus offers: image generation, web search, file analysis, voice. All at zero software cost. No vendor lock-in. Your data stays on your server. Self-hosted or managed hosting via Opsily.
Why Open WebUI Is the Best ChatGPT Alternative for Teams
Open WebUI is a free, open-source alternative to ChatGPT that runs entirely on your infrastructure. Self-hosted or managed via Opsily.
Save €240+/Year Per User
ChatGPT Plus costs €20/month (€240/year). Claude Pro costs €20/month. Open WebUI is free software—you pay only for infrastructure. For a team of 10, that's €2,400/year in savings. No per-token charges. No usage limits. No surprise bills.
Your Data Stays Private
All conversations stay on your server. No data sent to US vendors. GDPR-compliant by default. Opsily offers EU data residency (Frankfurt) if you choose managed hosting. You control backups, retention policies, and access rules. Full transparency, full control.
Never Locked In Again
Switch between Ollama, Claude API, OpenAI, Mistral, or any LLM provider anytime. Export conversations, plugins, and settings. Build custom integrations without asking permission. Full RBAC, LDAP, SSO, SCIM for teams. Own your AI stack.
Built for teams who need reliability
Save €240/year per team member vs. ChatGPT Plus
Open WebUI is free software. Deploy on your server (or use Opsily managed hosting) and pay only for infrastructure—not SaaS subscriptions.
How Open WebUI Stacks Up
Compare the best ChatGPT alternative against ChatGPT Plus. See why thousands of teams choose Open WebUI for privacy, cost, and flexibility.
Pricing as of August 2026. ChatGPT Plus pricing varies by region. Opsily managed plans for Open WebUI start at €30/month.
Deploy Open WebUI in 4 Steps
Get up and running in minutes, not weeks.
Choose Your App
Select an app to get started.
Connect Your LLM
Choose Ollama for local inference, or connect to Claude, OpenAI, Mistral, Groq, or any LLM API. You decide where your models run.
Deploy Open WebUI
Self-host on your own server with Docker, or use Opsily for managed hosting with automatic updates and backups.
Invite Your Team
Add team members via LDAP, SSO, SCIM, or manual invitations. Set roles and permissions in the admin panel.
Start Chatting
Use image generation, web search, RAG, voice calls, file upload, and custom plugins—all without usage limits.
Opsily Managed Hosting Plans
Choose self-hosting or let Opsily manage Open WebUI for you. All plans include GDPR compliance and EU data residency.
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Trust & Security
Open WebUI and Opsily meet the security and compliance requirements of enterprises and regulated industries.
GDPR Compliant
Self-hosted on your infrastructure. No data sent to third parties. Full control over retention and deletion.
EU Data Residency
Opsily's Frankfurt data center keeps your conversations within the EU. SCHREMS II compliant.
Open Source (149K Stars)
Transparent codebase audited by thousands of developers. No closed-source surprises. Licensed under MIT.
Enterprise LDAP & SSO
LDAP, Active Directory, SAML, OpenID Connect, SCIM 2.0 for identity provisioning. Role-based access control.
Full Data Ownership
Export conversations, models, and settings anytime. Switch providers or go fully offline. You own your data.
Frequently Asked Questions
Everything you need to know about Open WebUI and Opsily's managed hosting.
Open WebUI works with any LLM provider. Use Ollama for local inference, or connect to Claude, ChatGPT, Mistral, Groq, LMStudio, GroqCloud, or any OpenAI-compatible API. You can run multiple models simultaneously and switch between them in the chat interface. There is no lock-in to any single provider.
Ready to Leave ChatGPT?
Deploy Open WebUI today—self-hosted for free or with Opsily managed hosting. No credit card required.