On The Intrinsic Knowledge Retrieval Scaling Challenge

We study how, and in what way, scaling of a corpus affects basic retrieval recall (semantic search and BM25 search).

Authors

• Joachim Rahmfeld
• Yuhong Sun

Case Study: How Ramp uses Onyx to support their continued growth

Learn how Ramp uses Onyx as their internal knowledge platform to achieve 30x ROI.

Author: Chris Weaver
Date: Aug 20, 2025
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Are File Systems All You Need? It Depends...

We evaluated hybrid search against file search (glob/grep/read) on ~160k–510k enterprise-style documents. Neither wins outright everywhere — question complexity and dataset scale, as well as user preferences, affect which retrieval pattern works better.

Author: Joachim Rahmfeld
Date: Apr 7, 2026
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Benchmarking agentic RAG on workplace questions

Onyx outperformed ChatGPT Enterprise, Claude Enterprise, and Notion AI in an RAG benchmark using our internal and web data, complementing our recent Deep Research benchmark success.

Authors: Roshan Desai, Joachim Rahmfeld
Date: Feb 19, 2026
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Lessons from building the best Deep Research (and how you can build better agents)

A practical, behind-the-scenes look at how we built the #1 Deep Research system and the design choices that create performant agent systems.

Author: Yuhong Sun
Date: Feb 17, 2026
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Building an Internet Search to rival OpenAI

We reverse-engineered how top agents run web search, then built the same two-tool workflow in Onyx for fast, reliable, low-hallucination internet answers.

Author: Yuhong Sun
Date: Sep 18, 2025
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Onyx raises $10M to help teams find knowledge faster with open source AI agents

Onyx raised $10M to expand open-source enterprise AI search and agents, helping teams unlock institutional knowledge across tools like Slack, Drive, and Salesforce.

Author: Chris Weaver
Date: Mar 12, 2025
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Beyond RAG: Implementing Agent Search with LangGraph for Smarter Knowledge Retrieval

A technical deep dive into how Onyx built Agent Search with LangGraph, including decomposition, parallel sub-queries, refinement loops, and orchestration tradeoffs.

Authors: Evan Lohn, Joachim Rahmfeld
Date: Feb 21, 2025
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Introducing Agent Search: The Next Evolution in Enterprise Knowledge Discovery

Introducing Agent Search: Onyx's multi-step retrieval system that breaks down complex questions, runs parallel investigations, and synthesizes higher-quality answers.

Author: Wendi Ding
Date: Feb 18, 2025
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Onyx and Unstructured: Elevating Enterprise Search Capabilities

How the Onyx + Unstructured integration improves document parsing fidelity, expands file support, and boosts enterprise search and RAG quality.

Author: Yuhong Sun
Date: Oct 21, 2024
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Empower Your Data: Local Document Chat with Llama 3.1

A step-by-step guide to running local document chat with Llama 3.1 and Danswer, so teams can use powerful AI over private data without sending it to third parties.

Author: Chris Weaver
Date: Aug 22, 2024
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