Companies / Data vendor
MOSTLY AI
Generates privacy-safe synthetic versions of an organisation's tabular and text data, through a platform and an open-source SDK, for analytics, testing and machine learning model training. Recorded here: what it sells, in its own words and 2 funding events.
Hold data AI companies buy? AIData.Broker values it free against every public price, and introduces it to every buyer that takes it, at no cost to you: the buyers pay us. Where it earns more, we run the sale ourselves, for a fee only out of a sale.
- No data upload
- About two minutes
- No email needed
mostly.aiLatest record 9 Nov 2026
Also ranked #36 of 60 AI training data providers, on the rankings of the AI data market.
The badge always matches the ranking. Paste this where you want it shown:
<a href="https://aidata.broker/best/synthetic-data-companies#mostly-ai"><img src="https://aidata.broker/badges/synthetic-data-companies/mostly-ai" alt="MOSTLY AI: #13 of 23 synthetic data companies on the AIData.Broker rankings" height="64"></a>
What MOSTLY AI sells
In its own words, read on its own site 9 Nov 2026. On the vendor register
- What it sells
Datasets: “Create high-fidelity, privacy-safe datasets that mimic real data without exposing sensitive information. Enables safe collaboration, model training and data sharing across teams or partners.” mostly.ai
- Where its data comes from
Generated: “Synthetic data unlocks new possibilities for training machine learning models across a variety of data-constrained scenarios.” mostly.ai
The client's own data: “Train a synthetic data generator on your existing tabular or language data” mostly.ai
- Buys data from owners
- Its pages do not say it does.
- Areas its pages name
- None named.
Funding and acquisitions
| When | Event | Amount | Source |
|---|---|---|---|
| 11 Jan 2022 | Series B | $25M | TechCrunch, 11 January 2022 |
| 3 Mar 2020 | Series A | $5M | Silicon Canals, 3 March 2020 |
Cite this
AIData.Broker, “MOSTLY AI in the AI training data market”, reviewed 9 Nov 2026. https://aidata.broker/companies/mostly-ai
Free to reuse under CC BY 4.0 if you credit AIData.Broker and link to this page. Each row names the publication that stated it, and words quoted from a source keep that source's own terms.