Harmonic - About the company
Harmonic is a series C company based in Palo Alto (United States), founded in 2023 by Vlad Tenev and Tudor Achim. It operates as a Developer of state-of-the-art mathematics AI models. Harmonic has raised $295M in funding from investors like Sequoia Capital, Ribbit Capital and Kleiner Perkins, with a current valuation of $1.45B. The company has 166 active competitors, including 37 funded and 10 that have exited. Its top competitors include companies like OpenAI, Anthropic and xAI.
Sectors and market segments that Harmonic operate in
Harmonic serves in the High Tech, Native AI market segments.The primary business model of Harmonic are:Company Details
Developer of mathematics AI models. It leverages AI technology to solve complex mathematical problems. It is offering extensive possibilities for applications across various industries.
- Website
- harmonic.fun
- Social
- Email ID
- *****@harmonic.fun
Key Metrics
Founded Year
2023
Location
Palo Alto, United States
Stage
Series C
Total Funding
$295M in 3 rounds
Latest Funding Round
Post Money Valuation
$1.45B as on Nov 25, 2025
Investors
Ranked
9th among 166 active competitors
Employee Count
41 as on Mar 31, 2026
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Harmonic's funding and investors
Harmonic has raised a total funding of $295M over 3 rounds. Its first funding round was on Sep 23, 2024. Its latest funding round was a Series C round on Nov 25, 2025 for $120M. 7 investors participated in its latest round. Harmonic has 11 institutional investors and 3 angel investors.
Here is the list of recent funding rounds of Harmonic:
Date of Funding | Funding Amount | Round Name | Post-Money Valuation | Revenue Multiple | Lead Investors | Other Investors |
|---|---|---|---|---|---|---|
Nov 25, 2025 | $120M | Series C | - | - | ||
Jul 10, 2025 | $100M | Series B | - | - | ||
Sep 23, 2024 | $75M | Series A | $325M | - |
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Harmonic's founders and board of directors
Founder? Claim ProfileHere are the details of Harmonic's key team members:
- Vlad Tenev: Co-Founder of Harmonic and founder of 3 other companies, robinhood.io, Robinhood and Robin Xia. They are also an angel investor in 6 startups.Contact Info: 2 email addresses and 1 phone number
- Tudor Achim: Co-Founder & CEO of Harmonic. Contact Info: 1 email address
View details of Harmonic's Founder profiles and Board Members
Harmonic's employee count trend
Harmonic has 41 employees as of Mar 26. Here is Harmonic's employee count trend over the years:
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Harmonic's Competitors and alternates
Top competitors of Harmonic include OpenAI, Anthropic and xAI. Here is the list of Top 10 competitors of Harmonic, ranked by Tracxn score:
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Rank | Company Details | Short Description | Total Funding | Investors | Tracxn Score |
|---|---|---|---|---|---|
1st |  OpenAI 2015, San Francisco (United States), Series F | Developer of artificial intelligence models tools and research-driven platforms | $57.9B | 90/100 | |
2nd | Anthropic 2021, San Francisco (United States), Series F | Platform offering conversational chatbot and research services | $37.3B | 80/100 | |
3rd | xAI 2023, Palo Alto (United States), Acquired | Platform providing AI-powered assistant for image generation and trend analysis | $45B | 71/100 | |
4th | Provider of AI cloud infrastructure, foundational models, and applications | $74.9M | 68/100 | ||
5th | Platform offering AI focused writing and reading assistants | $636M | 66/100 | ||
6th | Provider of AI research laboratory services | $379M | 66/100 | ||
7th | AI powered code generation tool for developers | $1.4B | 66/100 | ||
8th | General AI agent that leverages its autonomous capabilities to bridge minds and actions | $85M | 64/100 | ||
9th | Harmonic 2023, Palo Alto (United States), Series C | Developer of state-of-the-art mathematics AI models | $295M | 64/100 | |
10th | Platform offering AI technology and applications | $300M | 63/100 |
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Harmonic's Investments and acquisitions
Harmonic has made no investments or acquisitions yet.
News related to Harmonic
Media has covered Harmonic for a total of 4 events in the last 1 year.
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Harmonic Builds Momentum Towards Mathematical Superintelligence with $120 Million Series Cintelligence360•Dec 17, 2025•Ribbit Capital, Kleiner Perkins, Harmonic, Sequoia Capital and 2 others
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Harmonic AI Secures $120M Funding at $1.45B Valuation to Enhance AI Math ReasoningSiliconAngle•Nov 26, 2025•Sequoia Capital, Ribbit Capital, Index Ventures, Robinhood and 6 others
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Harmonic AI, co-founded by Robinhood CEO, Valued at $900M After Series BPYMNTS.com•Jul 11, 2025•Harmonic, Kleiner Perkins, Index Ventures, Paradigm
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Harmonic Announces Series A Funding Round To Accelerate Development of Mathematical Superintelligenceintelligence360•Oct 14, 2024•Harmonic, Sequoia Capital, Index Ventures, DST Global and 3 others
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Harmonic Announces Series A Funding Round To Accelerate Development of Mathematical SuperintelligenceYahoo•Sep 24, 2024•Harmonic, Sequoia Capital, Index Ventures, Era and 9 others
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