Onyx
The open-source AI platform that connects teams to company knowledge with deep research, real-time syncs, and granular permissions for secure enterprise use.
Onyx is an open-source alternative to:

Onyx is an open-source AI enterprise search platform that transforms how teams access and interact with company knowledge. By connecting to all your apps, documents, and people, Onyx delivers accurate, context-aware answers grounded in your team's data.
Key Features
- Deep Research & AI Chat: Advanced research capabilities with MCP, code interpreter, web search, and contextual retrieval for precise answers.
- Real-Time Syncs: Plug-and-play connectors that sync updates across all your apps while respecting fine-grained access controls.
- Hybrid Search & RAG: Combines hybrid search, advanced RAG, and LLM-based knowledge graphs for reliable, trustworthy responses.
- Customizable & Transparent: Flexible configuration for LLM providers, search settings, and developer tools with full code transparency.
- Enterprise Security: Built with SOC 2 Type II compliance, GDPR adherence, and granular permissions for secure deployments.
- Developer-Friendly: Modular architecture with clean interfaces, built-in agent framework, and extensive documentation.
- Benchmarked Performance: Tested on 99 real workplace questions across 220K documents, outperforming major AI assistants in blind evaluations.
- Use Case Coverage: Improves productivity across engineering, sales, support, and company-wide teams with tailored AI solutions.
Tech / Self-Hosting
Onyx is fully open-source and can be self-hosted on any infrastructure. The platform supports flexible deployment options, including cloud and on-premises, with transparent usage tracking and customizable configurations. Comprehensive self-hosting guides and developer documentation are available to ensure smooth deployment and integration.