About Antithesis
Antithesis is a company based in Vienna (United States) founded in 2018 by Will Wilson.. Antithesis has raised $182 million across 3 funding rounds from investors including Spark Capital, Amplify Partners and Tamarack Global. The company has 37 employees as of December 31, 2023. Antithesis operates in a competitive market with competitors including Launchable, mabl, Diffblue, BlinqIO and Autify, among others.
- Headquarter Vienna, United States
- Employees 37 as on 31 Dec, 2023
- Founders Will Wilson
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Sectors
Technology
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Email
***********
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Phone
*********
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Website
*********
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Social
*********
- Legal Name Antithesis Operations Llc
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Annual Revenue
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Net Profit
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EBITDA
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Total Equity Funding
$182 M (USD)
in 3 rounds
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Latest Funding Round
$105 M (USD), Series A
Dec 03, 2025
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Investors
Spark Capital
& 8 more
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Employee Count
37
as on Dec 31, 2023
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Funding Insights of Antithesis
Antithesis has successfully raised a total of $182M across 3 strategic funding rounds. The most recent funding activity was a Series A round of $105 million completed in December 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 Total Funding
- Total Rounds 3
- Last Round Series A — $105.0M
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First Round
First Round
(13 Feb 2024)
- Investors Count 9
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Dec, 2025 | Amount | Series A - Antithesis | Valuation | Jane Street | |
| Feb, 2025 | Amount | Series A - Antithesis | Valuation | Amplify Partners | |
| Feb, 2024 | Amount | Seed - Antithesis | Valuation | Amplify Partners , Tamarack Global |
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jul, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
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| Feb, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
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| Jan, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
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| Feb, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
Investors in Antithesis
Antithesis has secured backing from 9 investors, including venture fund, institutional, and angel investors. Prominent investors backing the company include Spark Capital, Amplify Partners and Tamarack Global. This diverse investor base provides strategic capital, industry expertise, and valuable network connections that support the company's growth initiatives, market expansion, and long-term value creation.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
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Technical founders are supported through early-stage venture capital investments.
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Founded Year | Domain | Location | |
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Private equity firm focused on space and digital assets sectors
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Founded Year | Domain | Location | |
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Venture capital firm focused on early-stage biotech companies
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Founded Year | Domain | Location |
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
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Single family office of Amitabh Bachchan, founder of Amitabh Bachchan Corporation or AB CORP
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Founded Year | Domain | Location | |
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Startup ecosystems are ignited through strategic investments by Signite Partners.
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Founded Year | Domain | Location | |
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Venture capital is directed toward companies in multiple sectors.
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Founded Year | Domain | Location | |
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Venture capital is invested in cybersecurity, fintech, and AI startups.
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Founded Year | Domain | Location |
Investments & Acquisitions by Antithesis
| Company Name | Description | Domain | Location | Founded Year | Amount |
|---|---|---|---|---|---|
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Bionic investment advisor platform
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2016 | ||||
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Fine Asian gourmet food is offered by an internet-first restaurant.
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2016 | ||||
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Physical e-commerce kiosks are deployed for rural purchases in Indonesia.
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2014 | ||||
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Fine Asian gourmet food is offered by an internet-first restaurant.
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2016 |
Financial Statements - Antithesis
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jul, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
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| Feb, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
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| Jan, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
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| Feb, 2021 | Amount | Post-IPO - Grab | Valuation |
investors |
Antithesis Comparisons
Competitors of Antithesis
Antithesis operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Launchable, mabl, Diffblue, BlinqIO and Autify, among others. This competitive environment drives innovation, market differentiation, and strategic positioning as companies strive to capture market share and deliver value to their customers. Understanding the competitive dynamics is crucial for assessing market positioning, identifying growth opportunities, and navigating the challenges inherent in a competitive marketplace.
| Company Name | Domain | Founded year | HQ Location | Description |
|---|---|---|---|---|
| domain | founded_year | HQ Location |
AI platform is used for continuous software testing and prioritization.
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| domain | founded_year | HQ Location |
Automated functional testing is enabled through machine learning.
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| domain | founded_year | HQ Location |
AI-based automated testing and code automation solutions are provided.
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| domain | founded_year | HQ Location |
An AI-powered platform for automated software testing is offered.
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| domain | founded_year | HQ Location |
AI-powered platform for software testing automation is provided.
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| domain | founded_year | HQ Location |
AI-driven automated testing for application performance and security is provided.
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| Company Name | Domain | Founded year | HQ Location | Description |
|---|---|---|---|---|
| domain | founded_year | HQ Location |
Multiple services are booked via an app-based platform.
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| domain | founded_year | HQ Location |
On-demand services are booked through an app-based platform.
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| domain | founded_year | HQ Location |
App based platform offering on demand delivery and ride-hailing services
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| domain | founded_year | HQ Location |
Operates an on-demand hyperlocal delivery app for food and groceries.
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Latest news on Antithesis
Frequently Asked Questions about Antithesis
When was Antithesis founded?
Antithesis was founded in 2018 and raised its 1st funding round 6 years after it was founded.
Where is Antithesis located?
Antithesis is headquartered in Vienna, United States.
Who is the current CEO of Antithesis?
Will Wilson is the current CEO of Antithesis. They have also founded this company.
Is Antithesis a funded company?
Antithesis is a funded company, having raised a total of $182M across 3 funding rounds to date. The company's 1st funding round was a Seed of $47M, raised on Feb 13, 2024.
How many employees does Antithesis have?
As of Dec 31, 2023, the latest employee count at Antithesis is 37.
What does Antithesis do?
Provider of autonomous software testing platform for bug detection and reproduction. This platform offers deterministic testing, enabling perfect reproducibility of found bugs, regardless of complexity. It explores software in novel ways, uncovering unknown unknowns not found through traditional testing methods. The platform facilitates easier debugging by providing a deterministic environment for analysis and reproduction of error paths. It also allows for continuous testing of new software versions, leading to quicker bug identification and resolution. This reduces time spent on manual testing and improves overall software quality and release cycles.
Who are the top competitors of Antithesis?
Antithesis's top competitors include Diffblue, Launchable and mabl.
Who are Antithesis's investors?
Antithesis has 9 investors. Key investors include Spark Capital, Amplify Partners, Tamarack Global, First In Ventures, and Howard Lerman.
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