Enterprise search and knowledge management, beyond chat
Onyx goes beyond chat. It searches across Slack, Google Drive, Confluence, and 40+ tools with real permission controls and continuous indexing. Your team gets AI that actually knows your company's knowledge.
Feature | Onyx | Open WebUI |
|---|---|---|
Integrated Company Knowledge | +33 more 40+ indexed enterprise connectors | File upload only |
Permission syncing from source systems | Yes | No |
Self-hosted & open-source | Yes | Yes |
Model-agnostic (any LLM) | Yes | Yes |
Custom agents with actions (MCP/OpenAPI) | Yes | Basic tools via Pipelines |
Pricing Comparison
Onyx
$20/user/month
Open WebUI
Free (MIT)
14-day free trial. No credit card required. No minimum seats. No minimum contract.
Free to self-host. Enterprise license available for white-labeling and support.
Detailed Comparison
Click each section to expand the full comparison.
Onyx
Onyx is an enterprise AI platform with purpose-built search. 40+ connectors continuously crawl Slack, Google Drive, Confluence, Jira, GitHub, Salesforce, and more. Documents are indexed, chunked, and embedded with hybrid search (semantic + keyword) and LLM-based knowledge graphs. When someone asks a question, Onyx searches across all connected sources and returns grounded, cited answers.
Open WebUI
Open WebUI is primarily a chat interface. RAG is available but limited to manually uploaded files; there's no automated crawling or indexing of enterprise data sources. You can browse Google Drive or OneDrive via file pickers, but this is manual import, not sync. There are no native connectors for Slack, Confluence, Jira, or other enterprise tools. If you want to search your company's knowledge, you'd need to manually export and upload documents.
Which is Right for You?
Onyx is best for
Teams that need AI answers grounded in company data across multiple tools
Organizations requiring permission-aware search (different users see different data)
Companies scaling beyond file-upload RAG to automated enterprise knowledge management
Teams that want both enterprise search and chat in one platform
Open WebUI is best for
Individual developers wanting the best self-hosted ChatGPT alternative
Small teams running local LLMs via Ollama who need a polished UI
Privacy-focused users who want AI chat with zero external dependencies
Teams that primarily need a multi-model chat interface, not enterprise search
Frequently Asked Questions
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