Give your team superpowers.

Onyx is the open-source AI chat connected to your docs, apps, and people.

Deep Research

Deep Research

GPT-5

$ curl -fsSL https://onyx.app/install_onyx.sh | bash

1,000+ of the world's top teams trust Onyx to be their primary interface to AI.

The Onyx Platform

Feature Rich

Deep research, MCP, code interpreter, web search, and other advanced chat features.

Encourage collaboration with chat sharing, user feedback, and usage analytics.

Reliable Responses

Answers grounded in your team's knowledge. Onyx combines hybrid-search, advanced RAG, contextual retrieval, and LLM-based knowledge graphs for the most accurate responses.

Customizable

Flexible configuration options for LLM providers, search settings, connected apps, access controls, and much more.

Benchmarks

Answers you can trust
Tested on 99 real workplace questions across 220K internal documents. Scored blind by two independent LLM judges.

• 64% win rate Onyx vs ChatGPT
• 68.1% win rate Onyx vs Claude
• 76% win rate Onyx vs Notion AI

Onyx connects to all your apps

Plug-and-play, syncs updates in real time, and respects fine-grained access controls.

Open Source

Deploy Onyx on any infrastructure and maintain transparency on usage and your company data.

APIs

Onyx supports a wide range of APIs that support flexible options like query expansion, agent behavior configs, etc.

Transparent

Onyx empowers your developers by offering full transparency into the code and infinite extensibility.

Modular

Fueled by an OSS community of thousands, Onyx makes development easy with clean interfaces, a built-in agent framework, and developer guides.

Use Cases

Improve productivity for every department

• Company Wide: Empower every member with secure access to GenAI and knowledge
• Engineering: Ship faster with Generative AI and full context
• Sales: Close more deals with instant access to every conversation and product update
• Support: Answer questions confidently across your entire product

Join Industry Leaders

Onyx is answering thousands of questions a week at Ramp. We tried a variety of other AI tools but none had the same answer reliability as Onyx. It's been a huge productivity boost as we continue to scale.
Tony Rios, Director of Product Ops

Enterprise Ready

Security & Compliance

• Compliance
• Secure Deployment
• Generative AI Safety
• Granular Permissions

Onyx is built from the ground up with a core commitment to security. Never worry about the safety of your data.