When was Mostly AI founded?

Mostly AI was founded in 2017 and raised its 1st funding round 1 year after it was founded.

Where is Mostly AI located?

Mostly AI is headquartered in Vienna, Austria.

How many employees does Mostly AI have?

As of May 31, 2026, the latest employee count at Mostly AI is 41.

Is Mostly AI a funded company?

Mostly AI is a funded company, having raised a total of $31.1M across 5 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on Feb 12, 2018.

When was the latest funding round of Mostly AI?

Mostly AI's latest funding was a $***** Grant (prize money) round on Jul 01, 2022, with participation from 1 investor.

Where does Mostly AI rank among its competitors?

Mostly AI ranks 10th amongst 59 active competitors, of which 25 are funded. It stands 4th in terms of total funding among its competitors. The most recent competitor to raise funding was Veris, which secured $8.5M in Jun, 2025.

Who are the top competitors of Mostly AI?

Mostly AI's top competitors include Tonic.ai, Hazy and Gretel Technologies. Among them, Veris secured the most recent funding round in June, 2025.

Mostly AI - 2026 Company Profile, Team, Funding & Competitors

Company Details

Platform offering synthetic data generation for enterprises. It offers solutions for privacy-safe structured synthetic data that mirrors real data patterns without privacy, access, or ethical concerns. It caters to sectors including finance, healthcare and insurance, It enables companies to leverage the data assets for AI development, analytics, data sharing, and more.

Website: mostly.ai
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Email ID: *****@mostly.ai

Key Metrics

Founded Year

2017

Location

Vienna, Austria

Stage

Series B

Total Funding

$31.1M in 5 rounds

Latest Funding Round

Grant (prize money), Jul 01, 2022, $*****

Investors

Earlybird & 8 more

Ranked

10^th among 59 active competitors

Employee Count

41 as on May 31, 2026

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View Mostly AI's full profile

Mostly AI is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
MOSTLY AI INC. CIN: 5655005 , United States, Active	Nov 13, 2019	-	-	-

Mostly AI has raised a total funding of $31.1M over 5 rounds. Its first funding round was on Feb 12, 2018. Its latest funding round was a Grant (prize money) round on Jul 01, 2022 for $*****. 1 investor participated in its latest round. Mostly AI has 9 institutional investors.

Here is the list of recent funding rounds of Mostly AI:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jul 01, 2022	4371978	Grant (prize money)	5497864	1193331	4370519	4877322
Jan 11, 2022	6249246	Series B	6844803	5131099	1207415	42 Capital & 2 more
Feb 27, 2020	3500161	Series A	7155107	5428700	Earlybird	42 Capital & 1 more

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View details of Mostly AI's funding rounds and investors

The founders of Mostly AI are Klaudius Kalcher, Klaudius Kalcher and Roland Boubela.

Here are the details of Mostly AI's key team members:

Klaudius Kalcher: Former Co-Founder of Mostly AI.
Klaudius Kalcher: Former Co-Founder of Mostly AI.
Roland Boubela: Former Co-Founder of Mostly AI.

View details of Mostly AI's Founder profiles and Board Members

Mostly AI's employee count trend

Mostly AI has 41 employees as of May 26. Here is Mostly AI's employee count trend over the years:

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Top competitors of Mostly AI include Tonic.ai, Hazy and Gretel Technologies. Here is the list of Top 10 competitors of Mostly AI, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Tonic.ai 2018, San Francisco (United States), Series B	AI-based solutions for creating safe, useful, de-identified data for QA, testing, and development.	$45M	Insight Partners, GGV Capital & 9 others	62/100
2nd	Hazy 2017, London (United Kingdom), Acquired	AI based platform offering synthetic data generation solutions	$11.3M	UCL Technology Fund, Conviction & 36 others	53/100
3rd	Gretel Technologies 2019, San Diego (United States), Acquired	Provider of solutions for data anonymization	$65.5M	Greylock Partners, Anthos Capital & 4 others	53/100
4th	Synthesized 2017, London (United Kingdom), Series A	Developer of synthetic data generation platform for machine learning model development	$30.5M	Mundi Ventures, Redalpine & 17 others	52/100
5th	YData 2019, Seattle (United States), Seed	AI based platform for data anonymization	$3.24M	Faber, Flying Fish Ventures & 6 others	51/100
6th	DiffuseDrive 2023, San Francisco (United States), Seed	Synthetic data for computer vision development	$3.5M	prestotech.com, e2vc & 2 others	49/100
7th	Nurdle 2023, San Francisco (United States), Acquired	AI deployment platform to accelerate AI production with data	-	Intel Capital, Greycroft & 1 others	49/100
8th	Datagen 2018, Tel Aviv (Israel), Series B	Provider of AI-based synthetic data platform for training computer vision models	$70M	Viola Group, Scale Venture Partners & 7 others	48/100
9th	Veris 2025, Austin (United States), Seed	AI-powered synthetic data engine solutions	$8.5M	Acrew Capital, Decibel & 5 others	47/100
10th	Mostly AI 2017, Vienna (Austria), Series B	Platform offering synthetic data generation for enterprises	$31.1M	Molten Ventures, Citi Ventures & 7 others	44/100