Onyx

San Francisco, United States Founded: 2023 • Age: 3 yrs
Open-source AI platform for enterprise search and assistants is developed.

About Onyx

Onyx is a Technology company based in San Francisco (United States) founded in 2023 by Yuhong Sun and Chris Weaver. Open-source AI platform for enterprise search and assistants is developed. Onyx has raised $10 million across 1 funding round from investors including Khosla Ventures, First Round Capital and Y Combinator. Its website onyx.app draws about 131 thousand monthly visits. Onyx offers products and services including AI Workplace Search, AI Assistant, and API for Developers. Its focus areas include Enterprise Applications, Enterprise Information Management and Enterprise Search. Its competitors include Elastic, Endeca and ThirdAI; 3 of its 3 listed competitors have raised funding.

Company details

Onyx was founded in 2023 in San Francisco, United States, within the AI sector focused on enterprise solutions. An open-source platform is provided for search and assistant functionalities, connecting to company documents, applications, and personnel data. Tools and APIs are offered to enable custom workflow development. Integrations with various applications are supported, alongside document-level access controls. Deployment options include virtual private clouds or on-premises setups.

  • Headquarters San Francisco, United States
  • Founders Yuhong Sun, Chris Weaver
  • Sectors
    Technology
  • Website category Computers Electronics and Technology · Programming and Developer Software
  • Website onyx.app
  • Social LinkedIn X
Key Metrics
  • Total Equity Funding
    $10M (USD)

    in 1 rounds

  • Latest Funding Round
    $10M (USD), Seed

    Mar 2025

  • Investors

Products & Services of Onyx

Onyx offers a comprehensive portfolio of products and services, including AI Workplace Search, AI Assistant, and API for Developers.

AI Workplace Search
Search Platform

Enables searching across company apps and documents.

AI Assistant
AI Tools

Creates assistants using organizational knowledge bases.

API for Developers
Development APIs

Builds custom workflows for enterprise applications.

Funding Insights of Onyx

Onyx has successfully raised a total of $10M through 1 strategic funding round. The most recent funding activity was a Seed round of $10 million completed in March 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $10M
  • Total Rounds 1
  • Last Round Seed β€” $10M
  • First Round $10M

    (Mar 2025)

  • Investors Count 6

All 1 funding rounds of Onyx with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Mar 2025$10MSeed–Khosla Ventures, First Round Capital
Valuation history

6 investors in total: 3 institutional and 3 angel.

Investors in Onyx

Onyx has secured backing from 6 investors, including venture fund and angel investors. Prominent investors backing the company include Khosla Ventures, First Round Capital and Y Combinator.

All
Venture Fund
Angel
InvestorDescriptionFounded YearDomainLocation
Early-stage startups are funded by this venture capital firm.
2004khoslaventures.comMenlo Park, United States
US focused seed and early-stage VC firm
firstround.comSan Francisco, United States
Early-stage startups are accelerated via funding and educational programs.
ycombinator.comMountain View, United States

Gokul Rajaram

Angel investor, product leader at DoorDash, ex-Google, Square
unknown_b711a11c4d884f45b

Amit Agarwal

Angel investor, founder of NoBroker, active in Indian startup ecosystem
unknown_23a44ad2c7414b7fb

Kulveer Taggar

Angel investor, co-founder of Zeus Living, ex-Y Combinator partner
unknown_2ec07c54b71a4740b
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Investor details for Onyx

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People of Onyx

2 people are tracked at Onyx (2 in leadership).

NameRoleGroup
Yuhong Sun
Co-FounderLeadership
Chris Weaver
Co-FounderLeadership
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Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.

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Timeline of Onyx

2 dated milestones of Onyx across 2 years, from founding to its latest funding, stage changes and deals.

  1. Founded Onyx is founded.
  2. Funding First funding round of $10.0M.

Competitors of Onyx

Onyx has 3 listed competitors in our database, 3 of them funded. They include Elastic, Endeca and ThirdAI.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
elastic.co2012Mountain View, United States$104M3,187
Cloud based text analytics platform
endeca.com1999Cambridge, United States$76.17M
Big data analytics, web commerce, and BI solutions are provided.
thirdai.com2021Houston, United States$6M10
Platform offering large language models and AI technologies
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Detailed competitors of Onyx

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Web traffic of Onyx

The website of Onyx (onyx.app) receives about 130.7K visits a month and ranks #336,042 among all websites worldwide, #7,934 in Programming and Developer Software.

  • Monthly visits
    130.7K

    ▲ 28.2% vs previous month

  • Unique visitors
    43.1K

    per month

  • Global rank
    #336,042

    among all websites

  • Category rank
    #7,934

    Computers Electronics and Technology · Programming and Developer Software

Similar websites

Websites whose visitors overlap most with Onyx. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
titanium-software.fr
titanium-software.fr
100%
#256,642–
github.com
83%
542.6M#65View details
onyxgfx.com
74%
46.4K#671,888View details
onixnet.com
74%
21.5K#1,234,032View details
h2o.ai
74%
241.5K#172,356View details
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
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All 16 similar websites and full traffic analytics for Onyx

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  • Audience overlap
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Verified entity values are shown only after access is granted.

Top companies in Enterprise Software & Platforms

3 companies that operate in the same segment as Onyx (Enterprise Software & Platforms) in United States, ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
AI-based platform for secure collaboration and content management is utilized.
2005Redwood City, California, United StatesUSD 692.63 MUSD 1.18 B4,447
Cloud-based big data warehouse for enterprise data management is provided.
2012Bozeman, Montana, United StatesUSD 1.46 BUSD 3.63 B12,114
Cloud-based platform for enterprise search
2019Palo Alto, California, United StatesUSD 765.3 M1,751
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Related news about Onyx

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Frequently Asked Questions about Onyx

Onyx was founded in 2023 and raised its 1st funding round 2 years after it was founded.

Onyx is headquartered in San Francisco, United States. It is registered at San Francisco, California, United States.

Onyx is a funded company, having raised a total of $10M across 1 funding round to date. The company's 1st funding round was a Seed of $10M, raised on Mar 2025.

Onyx was founded in 2023 in San Francisco, United States, within the AI sector focused on enterprise solutions. An open-source platform is provided for search and assistant functionalities, connecting to company documents, applications, and personnel data. Tools and APIs are offered to enable custom workflow development. Integrations with various applications are supported, alongside document-level access controls. Deployment options include virtual private clouds or on-premises setups.

Onyx's top competitors include Elastic, ThirdAI and Endeca.

Onyx offers AI Workplace Search, AI Assistant, and API for Developers.

Onyx has 6 investors. Key investors include Khosla Ventures, First Round Capital, Y Combinator, Gokul Rajaram, and Amit Agarwal.

The website of Onyx receives about 131 thousand visits a month and ranks #336,042 among all websites worldwide.

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