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 217 active competitors, including 54 funded and 8 that have exited. Its top competitors include companies like OpenAI, Mistral AI and Anthropic.
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
14th among 217 active competitors
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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 13 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 | $1.45B | - | ||
Jul 10, 2025 | $100M | Series B | $875M | - | ||
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 7 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
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Harmonic's Competitors and alternates
Top competitors of Harmonic include OpenAI, Mistral AI and Anthropic. 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 | Artificial intelligence research and development platform offering advanced language models | $180B | 89/100 | |
2nd | Mistral AI 2023, Paris (France), Series C | Provider of customizable, open-source artificial intelligence models and solutions for various applications | $3.05B | 83/100 | |
3rd | Anthropic 2021, San Francisco (United States), Series H | Provider of AI safety and research company | $132B | 83/100 | |
4th | Developer of enterprise AI platform and multilingual language and retrieval models | $1.54B | 78/100 | ||
5th | Provider of AI research laboratory services | $379M | 71/100 | ||
6th | Provider of AI cloud infrastructure, foundational models, and applications | $74.9M | 68/100 | ||
7th | Open source based AI assistant for enterprises | $4.4B | 67/100 | ||
8th | Aleph Alpha 2019, Heidelberg (Germany), Acquired | Provider of an AI-enabled text and image analytics platform | $533M | 66/100 | |
9th | Platform offering AI focused writing and reading assistants | $636M | 66/100 | ||
10th | ReflectionAI 2024, Brooklyn (United States), Series B | Developer of autonomous coding systems | $2.13B | 66/100 | |
14th | Harmonic 2023, Palo Alto (United States), Series C | Developer of state-of-the-art mathematics AI models | $295M | 63/100 |
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Harmonic's Investments and acquisitions
Harmonic has made no investments or acquisitions yet.
Reports related to Harmonic
Here is the latest report on Harmonic's geography:
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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