Application
Installation, configuration, roles, updates and controlled upgrade paths for Open WebUI.
Expertise
Open WebUI Managed Hosting, Installation and Operations
WZ-IT installs, integrates and operates Open WebUI as an AI platform - on our infrastructure or yours. We connect models, GPU resources, knowledge sources, identity and secure network access and extend the solution when needed.
Companies worldwide trust WZ-IT
The following are trademarks of their respective owners: Open WebUI (the Open WebUI project). WZ-IT is an independent service provider and has no business, partnership, or contractual relationship with these companies. We offer independent migration, installation, hosting, and operations services.
About the Technology
About Open WebUI
Open WebUI is an extensible, self-hosted AI interface for Ollama and OpenAI-compatible APIs. It brings models, chats, knowledge sources and tools into one interface and can run locally, in the cloud or as part of a hybrid architecture.
As an independent service provider, we plan more than the application itself: inference, storage, identities, network access, backups, monitoring and integration with existing systems.
Self-Hosted
Architecture
Integration
Managed operations
Why Open WebUI with WZ-IT?
We install, integrate and operate Open WebUI on our infrastructure in Germany, in your cloud or on-premises. Local models, external model APIs and hybrid setups are combined according to data classes, performance and budget.
Monitoring, backups, maintenance and human response times follow the agreed operational scope and service level. The current licence protects the Open WebUI branding; white-labelling or modified branding may require a separate enterprise licence from the vendor.
AI Cube
Open WebUI ready to use on AI Cube
AI Cube combines Open WebUI, local model serving and a model agreed in advance into a fully configured AI platform. Staff can start chatting and create personal or shared knowledge spaces; automated data sources and custom RAG pipelines can be added when required.
Delivered ready to use within 10 working days
AI Cube
€6,490 excl. VAT one-time
Device, setup, briefing and shipping
€349.90 excl. VAT / month
AI Cube Care · first year accompanied, then cancellable monthly
- Compact AI appliance on NVIDIA GB10 with 128 GB unified memory and 1 TB NVMe
- Open WebUI with knowledge bases, groups and roles
- A local language model, a fast model for short tasks and an embedding model
- Hardened system, firewall, HTTPS on the local network
- Remote maintenance through NetBird, logged and switchable
- Handover documentation, a 30-minute briefing and shipping within Germany
- Two-year manufacturer warranty
Expandable when required
RAG, data sources, integrations, secure connectivity and custom workflows are scoped separately.
Operable for the long term
AI Cube Care keeps the device running: a monthly maintenance window, tested model updates with a rollback path, round-the-clock monitoring, ticket support and warranty handling. For confidentiality professionals we add a data processing agreement under Art. 28 GDPR and the written secrecy obligation under Section 203 (4) of the German Criminal Code, including instruction on the criminal consequences; on request remote access stays switched off by default.
Service scope
More than an interface: an operable AI platform
Open WebUI is the visible entry point. Reliable business operations require the application, inference, data, identities, network and operations to be designed together.
Models & inference
Ollama, vLLM, LiteLLM or external APIs matched to privacy, latency, load and cost.
Integration
Connect RAG, knowledge sources, tools, APIs, SSO and existing business systems in a controlled way.
Ongoing operations
Monitoring, backups, security updates, incident processes and service levels for the production stack.
Make responsibilities explicit
The exact scope is defined in the proposal. This matrix shows the typical model for hosting and operations by WZ-IT.
| Area | Responsibility | Typical scope |
|---|---|---|
| Architecture & deployment | WZ-IT | Target architecture, sizing, segmentation, deployment and documented transition into operations. |
| Open WebUI platform | WZ-IT | Installation, technical configuration, controlled updates and recoverability of the application. |
| Monitoring, backup & incidents | WZ-IT | Proactive monitoring, agreed backups and response within the selected service level. |
| Models & providers | Shared | We integrate and operate the technical connection; model selection, usage rights and suitability are agreed with you. |
| Identity & network | Shared | We implement SSO, roles, MFA and secure access while combining your existing identity and network requirements with the target design. |
| Content & AI governance | Customer | You define permitted data, user groups, subject-matter approvals and the responsible use of AI output. |
| Custom extensions | Optional WZ-IT | We deliver pipelines, tools, user interfaces and integrations as clearly scoped additional work. |
ChatGPT-like Interface
Intuitive interface inspired by ChatGPT with full Markdown and LaTeX support for mathematical formulas.
Ollama Integration
Seamless integration with Ollama for local LLM execution - supports Llama, Mistral, Gemma and many more models.
RAG & Document Chat
Local and remote RAG integration - chat with PDFs, Word, Excel, PowerPoint, web pages and YouTube videos.
Model Builder
Create custom models from Ollama base models, add custom characters and agents - directly in the interface.
Privacy & Offline Operation
Open WebUI can run entirely in your infrastructure. External model or search services are connected only when they are part of the agreed architecture.
RBAC & User Groups
Granular permissions, user groups and role-based access control for secure team environments.
Pipelines Framework
Modular extension model for custom RAG pipelines, function calling and further integrations, depending on version and configuration.
Multi-Model Support
Use multiple models simultaneously - OpenAI, Anthropic, Ollama and other OpenAI-compatible APIs in parallel.
Web Search for RAG
Integrate web search results directly into RAG conversations with various search providers.
Image Generation
Seamless integration of image generation for dynamic visual content in your chats.
Responsive Design & PWA
Optimized for desktop, laptop and mobile - installable as Progressive Web App with offline access.
Multilingual
Full internationalization with support for numerous languages - use Open WebUI in your preferred language.
You got questions? We are here to help!
Sizing & deployment
From a simple model gateway to a dedicated GPU platform
Resource requirements are not determined by Open WebUI alone. Model operations, concurrent users, RAG data, integrations and required resilience are the decisive factors.
Technical starting point by usage profile
| Usage profile | Starting point | What drives sizing |
|---|---|---|
| External model API, small team | CPU S or M | Open WebUI, authentication and the proxy run without local inference. User count, plugins and file processing determine the final requirement. |
| Team platform with RAG | CPU M or L + storage | Document volume, embeddings, vector database, concurrent processing and retention are sized together. |
| Local models or high inference load | GPU assessment | Model size, quantisation, context window, concurrency and target latency determine GPU type, VRAM and GPU count. |
| High availability or multiple sites | Architecture assessment | Load balancing, database, object storage, inference pools, recovery objectives and network paths are designed as one system. |
The pricing calculator covers the standardised CPU workload for the application and operations. GPU resources, model APIs, larger RAG storage, high availability and complex migrations are added after a technical assessment.
Where Open WebUI can run
The deployment location follows your requirements for control, existing infrastructure, data flows and scaling.
WZ-IT infrastructure
A standardised workload on European infrastructure with operations, monitoring and backup from one provider.
Your cloud
Deployment in your existing cloud account; ownership and the provider contract remain with you while operations can be handled by us.
On-premises
Operations in your data centre or virtualisation platform, including isolated or connectivity-restricted environments.
Hybrid
The interface, models and knowledge sources can run in different locations connected through controlled network paths.
Hosting & operations
Hosting for Open WebUI in Germany: GDPR-compliant operations
Hosting & operations
Hosting & operations for Open WebUI
A clearly defined operating scope instead of an opaque hosting flat fee.
One managed standard application included
Dedicated compute workload in S, M, L or XL
Subdomain on wz-it.cloud included
German provider, German data centres, no US clouds
ISO 27001-certified and BSI C5-attested data centres
99.9 % standard availability per month
CVE and security-advisory monitoring for the operating system and managed application, regular updates, and priority deployment of available patches for critical vulnerabilities
Central collection of agreed system and operations logs with immutable retention
Daily backup with 7-day retention
5 TB outbound traffic per workload and month
24/7 proactive monitoring
Five clearly separated service levels
24/7 P1 response with Production or Critical
Personal technical contact
Hosting & operations from
€129.90/ month
Try it free for 7 days
We set up a test instance for you, usually on the next business day. No payment details required. After seven days it is deleted unless you continue.
Modular pricing based on your requirements - service level, apps and compute selectable individually.
DCs
ISO 27001 / BSI C5
24/7
Monitoring
GDPR
requirements
Why hosting & operations by WZ-IT?
We combine the right compute size with ongoing operations, backups, monitoring and a service level appropriate for the criticality of Open WebUI. High availability and recovery targets are designed separately where needed.
Bring Your Own Infrastructure
Installation on Your Infrastructure
Installation on your own infrastructure
On-premise or in your cloud
Control over data location and access
Custom configuration
Complete documentation
Initial setup & configuration
Optional support and maintenance contract
Price on request
plus optional support & maintenance
Looking for a custom solution?
We also design custom hosting architectures, integrations and migrations around Open WebUI. Contact us for a technical assessment.
Calculator
How much does hosting for Open WebUI cost?
One managed standard Open WebUI application is included in the Starter workload. Business and higher levels add a flexible operations allowance for planned work during regular service hours. Select compute, additional applications, storage and the appropriate service level.
Workloads
A workload is one compute instance with the applications agreed for it.
Additional standard applications
One standard app per workload is already included. Additional dedicated servers count as separate workloads.
Additional block storage
€7.99 excl. VAT per additional 100 GB per month, including daily encrypted offsite backup with 7-day retention. Billing is based on provisioned capacity, not actual usage.
GB
Custom backup retention
We also implement custom backup schedules and retention periods. For example: daily backups retained for 30 days and one monthly backup retained for 12 months. Scope, storage requirements and additional costs are agreed separately.
Availability configuration
+€299 excluding VAT per workload and month
Standard hosting runs on a single instance without high availability. Availability for custom architectures is agreed separately.
Zero downtime on request
Distributed operation with several instances, a database cluster and rolling updates, so that a node failure causes no interruption. Only for applications suited to it; design and price after technical assessment.
Role in the overall system
Related services for Open WebUI
This page covers installation and the agreed platform operations for Open WebUI. Custom code, the access layer and special confidentiality requirements remain clearly separated responsibilities that can be added when needed.
Maintain the application
Support custom code and integrations
Keep custom extensions, interfaces and dependencies controlled, updated and supportable.
from €699.90 excl. VAT / month
View serviceSecure access
Connect users, sites and systems
Add identity-based access and private network paths as a separate operational layer.
from €349.90 excl. VAT / month
View serviceOperate confidentially
Assess Section 203 requirements separately
For professional secrecy holders, define contractual, access and infrastructure requirements in a dedicated operating model.
from €499.90 excl. VAT / month
View serviceThree relevant adjacent paths instead of a long list of further products.
All prices are net and exclude statutory VAT. The offers are addressed to businesses.
View the overall systemEnquiry
Enquire about hosting and operations for Open WebUI
Briefly describe the current state and objective for Open WebUI. We assess infrastructure, integration, and ongoing operations.
Professional Installation Service
Open WebUI Installation & setup
Professional installation on your infrastructure - on-premise, cloud or hybrid
On-Premise
In your data center
- Installation on bare-metal, VM or Docker
- Optimal performance configuration
- Integration with existing Active Directory/LDAP
- SSL certificate & reverse proxy
- Backup strategy & monitoring
- Security hardening following best practices
- Documentation & training
Cloud Installation
AWS, Azure, Hetzner & more
- Installation on AWS, Azure, GCP, Hetzner
- Terraform/IaC setup (optional)
- Kubernetes or Docker Compose
- Capacity and scaling design
- Reverse proxy and optional platform services
- CloudWatch/monitoring setup
- Cost optimization & best practices
Enterprise Setup
Advanced architecture after technical and licence assessment
- HA and recovery design where supported by the application and edition
- VPN access (e.g. WireGuard, NetBird, Tailscale)
- SSO integration or an upstream identity layer
- MFA through the application or identity provider
- Logging according to feature set and edition
- Backup and recovery design
- Custom security policies
- Dedicated contact person
Take over an existing Open WebUI environment
We assess your existing Open WebUI environment, plan the target architecture and safeguard the transition with backups and a rollback option.
Current-state assessment and target architecture
Protected data and configuration transfer
Controlled cutover with rollback option
Use Cases
Using Open WebUI in your organisation
Private ChatGPT Alternative
Dedicated chat interface with locally controllable data flows; offline operation is possible when models and dependencies remain local
Ollama Integration
Seamless integration with Ollama for local LLM execution without cloud dependency - Llama, Mistral, Gemma and more
RAG & Document Chat
Retrieval Augmented Generation for intelligent document queries and knowledge bases with PDFs, Word, Excel
Privacy-focused LLM
Local AI models without data transmission to external providers - perfect for regulated industries and data protection
Team LLM Access
Multi-user environment with roles, permissions and individual chat histories for enterprise teams
AI Development Platform
Experiment with different LLMs, custom functions, Python tools and API integrations for AI development
Security
Integrate Open WebUI with SSO and secure network access
We securely connect Open WebUI to users, locations, clouds and existing corporate networks.
Secure Access & Networking
NetBird, WireGuard, site connectivity and cloud networking
Identity & SSO
Keycloak, Authentik and existing directory services
Roles, MFA & Policies
Central rules for users, groups and administrative access
Reverse Proxy & Hardening
TLS, firewall, rate limiting and traceable access
Connect application and infrastructure with control
We connect Open WebUI to users, models, data sources and existing systems through secure network paths. Access, identities and permissions are designed as one architecture.
- Connect locations, clouds and on-premises systems
- Separate administrative and user access
- Manage identities and roles centrally
- Keep access and changes traceable
Related WZ-IT building blocks
Included
What the Open WebUI setup includes
Full-service installation with no hidden costs
✓ Complete installation & configuration
✓ SSL certificate & reverse proxy setup
✓ Backup strategy & disaster recovery
✓ Performance optimization & tuning
✓ Security hardening following OWASP
✓ Monitoring & logging setup
✓ Documentation & best practices
✓ Administrator training (remote)
✓ 30 days email support included
✓ Dedicated contact person
✓ Optional integration: LDAP/AD, SSO, MFA
✓ Update strategy & patch management setup
Reference architecture
Fit Open WebUI securely into your infrastructure
The platform sits between users and approved models, knowledge sources and tools. Access and identity are not treated as afterthoughts.
Users & locations
Employees, teams, external users or distributed offices.
Secure access
NetBird, WireGuard, reverse proxy, segmentation and controlled exposure.
Identity & policies
Keycloak or Authentik, SSO, MFA, groups and role-based permissions.
Open WebUI platform
Shared interface, roles, model access, chats, knowledge and extensions.
Models & inference
Ollama, vLLM, LiteLLM or approved external model APIs.
Knowledge & data
RAG, vector database, object storage and connected document sources.
Tools & systems
APIs, automations, business applications and custom-developed functions.
This is a modular reference design. Required components and their placement are derived from data classes, load, existing IT and operational requirements.
Architecture & Interfaces
Open WebUI Development & Integration
Open WebUI brings chat interface and RAG pipeline - but enterprise requirements demand more. We extend the frontend for your use cases.
REST API & Pipelines
We use the REST API for integrations and pipelines for custom model routing: The appropriate model is automatically selected based on input.
Filter Pipelines
Input and output filters: Before sending to the model we can enrich prompts (RAG context), after the response we can perform compliance checks.
Svelte Components
For UI customizations we develop custom Svelte components: Special input forms, visualizations, industry-specific chat layouts.
Concrete Use Cases
How we implement Open WebUI development in practice.
Intelligent Model Routing
Problem
Different requests (code vs. text vs. analysis) need different models, but users shouldn't have to worry about it.
Solution
Pipeline that analyzes input and automatically routes to the optimal model (GPT-4, Claude, local Llama) - transparent to the user.
Enterprise RAG Integration
Problem
Internal documents (SharePoint, Confluence) should be searchable in chat without manually uploading them.
Solution
Automatic sync of enterprise documents into vector DB. With every question, relevant context from the knowledge base is injected.
Compliance Output Filter
Problem
LLM responses could contain sensitive info (PII, internal codes). Must filter before display.
Solution
Output pipeline that scans responses and masks or blocks sensitive data before displaying to user.
On-premises option
Run Open WebUI on hardware at your organisation
As an alternative to managed hosting in the data centre, WZ-IT provides the hardware, configures Open WebUI, and handles hardening, monitoring, updates, backup and technical support. Access can be limited to the internal network or enabled through VPN and existing identities.
€6,490 excl. VAT one-time · plus AI Cube Care at €349.90 excl. VAT / month
Frequently asked questions about operating Open WebUI
Specific answers on hosting, models, RAG, security, operations and licensing.
Yes. The agreed scope can cover the application, operating system and containers, monitoring, backups, updates and incident response. Human response times follow the selected service level; model usage and custom development are priced separately.
Yes. We install and operate Open WebUI in your data centre, on Proxmox, Kubernetes or in your cloud account. Before taking over operations, we assess access, backup, monitoring, technical debt and responsibility boundaries. Learn more about on-premises deployments.
Open WebUI supports Ollama and OpenAI-compatible APIs. This makes it possible to connect local inference systems such as Ollama or vLLM as well as approved external model providers. We select the gateway, models and routing according to data classes, quality, latency and cost.
No. When using external model APIs, the interface normally does not need its own GPU server. Large local language models are sized by model size, VRAM, concurrency and target latency. Where required, we design a managed GPU server.
We design ingestion, text extraction, embeddings, vector storage, metadata and source updates as one pipeline. For confidential content we also address permissions, citations, deletion concepts and the limits of subject-matter reliability.
Yes, provided a technical audit confirms that it can be operated reliably. We review the version, database, volumes, secrets, model connections, backups, network and recovery. Required remediation or migration is scoped transparently before ongoing operations begin.
Standard operations monitor availability and agreed technical states of the workload. Daily backups with seven-day retention are included in the standard offer. Additional databases, vector stores, GPU systems, longer retention and specific RTO/RPO targets are agreed to match the architecture.
For larger environments, we separate the application, database, storage and inference and design load balancing, multiple workloads, inference pools and recovery. High availability is not a generic hosting checkbox; it is designed around failure impact, RTO, RPO and load profile.
The current Open WebUI licence permits use with the original branding left intact. Removing or changing branding is subject to exceptions and may require an enterprise licence; the vendor's current licence is authoritative. We review technical implementation but do not provide legal advice.
Knowledge & guides
Technical knowledge for Open WebUI
Read comparisons, installation guides and architecture articles independently of the specific WZ-IT service.
Blog & Tutorials
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Selected customers and projects in Germany and internationally
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Managing Director, nextGYM GmbH
GermanyProxmox & BackupProxmoxBackupDocumentation
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Pascal Block
Project Manager, Stadtwerke Brühl GmbH
Stadtwerke Brühl - municipal energy and infrastructure utility.
GermanyInfrastructure ModernizationData SovereigntyGDPRDocumentation
“Communication with WZ-IT was open, friendly and professional from the very beginning. Mr. Wevelsiep and Mr. Zins responded to every one of our questions patiently, promptly and respectfully, and contributed their own suggestions and good ideas on how to modernize our server infrastructure and adapt it even better to our needs. Throughout, WZ-IT consistently kept our need for data sovereignty and GDPR compliance in mind. Even short-notice adjustments and change requests from our side were implemented quickly and patiently and integrated consistently into the overall concept. From planning to the final handover, every step was documented transparently and comprehensively - so if a provider change should ever become necessary, the documentation would let us onboard a successor into our infrastructure very quickly. We are extremely satisfied with WZ-IT and hope to continue working together for a long time.”
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Project Officer, DGHO e.V.
DGHO - German Society for Hematology and Medical Oncology.
GermanyArchitecture ConsultingSovereign Software SelectionOpen Source Strategy
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Communications Manager, Golem.de
Golem.de - leading German IT news outlet.
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GermanyLocal AI IntegrationTechnical IntegrationImplementation
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Head of IT Administration
ml&s - full-service provider for the electronics industry.
GermanySoftware DevelopmentPHP ModernizationAPI Extension
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Sonja Aßer
Data Manager, ARGE
ARGE Neue Medien - master data & digital standards for plumbing and building technology.
UAECloud MigrationAWS ExitProxmox81% Cost Reduction
“I recently worked with Timo and the WZ-IT team, and honestly, it turned out to be one of the best tech decisions I have made for my business. Right from the start, Timo took the time to walk me through every step in a simple and calm way. No matter how many questions I had, he never rushed me. The results speak for themselves. With WZ-IT, we reduced our monthly expenses from $1,300 down to $250. This was a huge win for us.”
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CTO, EVA Real Estate
EVA Real Estate - leading real-estate agency in Dubai.
SwitzerlandManaged ProxmoxClusterMonitoringHigh Availability
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Pascal Hakkers
Aphy AG
Aphy AG - AI platform for hotel back-office.
GermanyProxmox & VirtualizationBackupVPNSecurity
“WZ-IT provided very competent support in implementing our server and virtualization infrastructure. As part of the project, a Proxmox-based virtualization environment was set up along with a virtual machine for our application systems. Additionally, a structured backup concept was implemented. A particular focus was on security: the setup of a VPN tunnel and the clean implementation of encryption and access concepts were professionally executed. The structured consulting as well as the reliable and swift implementation deserve special mention. We are very satisfied with the services provided and are happy to recommend WZ-IT.”
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Managing Director, AInergy GmbH
AInergy - consultancy for energy and facility management.
GermanyOpen Source ArchitectureImplementationTechnical Consulting
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Annota - healthtech startup with an AI documentation assistant.
BulgariaSovereign CollaborationOpen Source StackOperationsMaintenance
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Managing Director, Yonju GmbH
Yonju - business coaching and AI products.
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Odiseo Solutions - software engineering for the space industry.
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