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Onyx

Onyx logo

Onyx

Open Source AI Chat

onyx.app
HQ: San Francisco, CA, USA
11-50
B2B

Company research

Public company, workplace, funding, and market signals

Updated Jul 30, 2026

Overview

Onyx is an open-source AI platform for work that connects to company docs, apps, and people, combining enterprise search, AI chat, agents, deep research, and knowledge-grounded answers for internal teams.

Primary product

Open-source AI chat / enterprise search and AI assistant platform connected to internal docs, apps, and people.

Founded

2023

Headquarters

San Francisco, California, United States

Team size

10-20

Industry

Technology, Information and Media

Sub-industry

Enterprise AI / AI assistant / enterprise search

Offices

San Francisco, CA
United States
India

Business model

SaaS
enterprise licensing
self-hosted/on-prem deployments
usage-based / per-seat subscription

Funding

Stage

Seed

Total raised

$10.5M

Latest round

Seed · Mar 2025

Latest amount

$10M

Seed

Mar 2025 · Khosla Ventures, First Round Capital

$10M

Accelerator/Incubator

Jan 2024 · Y Combinator

$500K

People & investors

Leadership

Chris Weaver

Co-Founder

Yuhong Sun

Co-Founder

Matthew Veber

Founding Account Executive

Thomas Muhn

Founding Recruiter

Richard Kuo

Founding Engineer

Duo Yang

Founding Designer

Investors

Amit Agarwal
Arash Ferdowsi
First Round Capital
Gokul Rajaram
Khosla Ventures
Kulveer Taggar
Pioneer Fund
Twenty Two Ventures
Y Combinator

Work & culture

Positioned as a builder-heavy team focused on open source, transparency, security, and shipping product for high-impact enterprise use cases.

Compensation

Public job postings show broad compensation ranges for technical roles, including roughly $125K-$400K base/salary ranges plus equity; at least some roles are in-person in San Francisco. No explicit public visa sponsorship policy was found.

Benefits

14-day free trial for hosted product
Flexible deployment options
Self-hosted or managed cloud
Enterprise support
OIDC/SAML SSO on enterprise plan

Product & market

Pricing

Business plan at $20 per user/month (annual billing); Enterprise plan with custom/flexible pricing.

Differentiators

  • —Open source and customizable
  • —Hybrid search + advanced RAG + knowledge graphs
  • —Connects to 40+ sources/connectors with ACL-aware syncing
  • —Supports self-hosting, on-prem, air-gapped, and cloud deployment
  • —Transparency over data processing and model choice
  • —Built for security-conscious and regulated environments
  • —Deep research / agents / code execution / MCP integrations

Technology

Python
TypeScript
Go
JavaScript
React
Next.js
Elasticsearch
TensorFlow
OpenAI
Anthropic
Gemini
Ollama
AWS
Helm
GitHub
Redis
MinIO
HCL
HCL/Infrastructure tooling
Open-source LLM stack

Customers

Ramp
Netflix
Thales Group
University of California, San Diego
Applied Intuition
Roku
Zendesk
L3Harris

Competitors

Glean
ChatGPT Enterprise
Claude Enterprise
Notion AI
general enterprise search / knowledge management tools

Scale & contact

Estimated revenue

$2M-$4M ARR (estimated from third-party revenue estimates; not publicly confirmed by company)

hello@onyx.app

Latest news

Introducing Onyx Security: The Secure AI Control Plane for Enterprises

Onyx Security Blog · Jul 2026

A separate company/product named Onyx Security announced funding and product details; treat as a different entity and not part of Onyx.app.

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

Onyx Blog · Aug 2025

Customer case study highlighting Ramp’s use of Onyx and claimed productivity/ROI impact.

Onyx lands $10M to build AI-powered 24/7 coworker that instantly finds what you need

Tech Funding News · Mar 2025

Covers the seed round and the company’s plan to expand product and hiring.

Onyx raises $10M to help teams find knowledge faster with open source AI agents

Onyx Blog · Mar 2025

Company announcement of a $10M seed round co-led by Khosla Ventures and First Round Capital, with Y Combinator and angel participation; also describes customers and product positioning.

Why Onyx thinks its open source solution will win enterprise search

TechCrunch · Mar 2025

Profiles Onyx’s open-source differentiator in enterprise search and notes the $10M seed round and investor group.

CareersContactDiscordDocsGitHub orgGitHub repoHomepageLinkedIn company pagePricingX profile
SourcesHomepageAboutCareersPricingContactAnswers / benchmarksSelf-hosted enterprise securityBlogGitHub repositoryYC company page

Jobs and careers at Onyx

4 jobs at Onyx

Technical Lead, Frontend

On-site
Engineering
San Francisco
1y ago
On-site
Full-time
Apply

Founding Account Executive

On-site
Sales
San Francisco
1y ago
On-site
Full-time
Apply

Fullstack Engineer

On-site
Engineering
San Francisco
1y ago
On-site
Full-time
Apply

Machine Learning Engineer

On-site
Engineering
San Francisco
1y ago
On-site
Full-time
Apply

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