Productivity

Onyx

Website

Onyx is the open source chat UI connected to your company’s docs, apps, and people. We ingest and sync from all sources of information (Google Drive, Slack, GitHub, Confluence, Salesforce, etc.) to provide a centralized place for users to ask about anything. Imagine your most knowledgeable co-workers, all-rolled into one, and available 24/7! Che

Founded 2023Origin source ↗Checked 2026-09-15

Overview

Onyx is the open source chat UI connected to your company’s docs, apps, and people. We ingest and sync from all sources of information (Google Drive, Slack, GitHub, Confluence, Salesforce, etc.) to provide a centralized place for users to ask about anything. Imagine your most knowledgeable co-workers, all-rolled into one, and available 24/7!

Check us out on Github: https://www.github.com/onyx-dot-app/onyx

Or visit our website: https://www.onyx.app/

Company description As recorded 2026-11-08
LinkedIn GitHub
ProductivityCopilot & assistantBusinessesOpen source commercial

Founders & team

Previously Danswer

Company history As recorded 2026-11-08

Yuhong Sun

Founder

Machine Learning and NLP, previously working on transformers architectures for NL-to-SQL and hybrid search at Alation, inc.

LinkedIn
Founder profile As recorded 2026-09-15

Chris Weaver

Founder

Building Onyx. In a past life: top-100 NA League of Legends player + TL at Robinhood.

LinkedIn
Founder profile As recorded 2026-09-15
20team members reported
Source-reported As recorded 2026-09-15

Founded 2023 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceA pricing page was detected
Maturity: Not assessed · 4 of 6 areas documented

Source-based assessment · automated evidence rules

The source reports an inactive or acquired company; current product identity needs review.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding yearpricing page observedrecent publishing observed
startup.observe Directory coverage · Sources & method