OpenTrain AI vs SellMyData: how their terms compare
By Gareth HoyleLast updated How we research
In short
OpenTrain AI suits companies that want a free referral to named buyers and to sign with the buyer directly, and SellMyData suits companies of any headcount that want to pay a commission only when a sale closes. OpenTrain AI refers companies to named buyers for free. SellMyData de-identifies and sells the data and takes a commission when a sale closes.
Key takeaways
- OpenTrain AI and SellMyData are both data brokers.
- Published payout at OpenTrain AI: Not published by OpenTrain.
- Published payout at SellMyData: Not published.
- OpenTrain AI publishes 4 of the 6 terms compared here, and SellMyData publishes 4.
- Facts were checked on each company's own pages in November 2026.
How do OpenTrain AI and SellMyData compare?
The table sets each company's published terms side by side, copied from our profiles. "Not published" means the company's own pages do not say.
| Term | OpenTrain AI | SellMyData |
|---|---|---|
| Type | Data broker | Data broker |
| What it buys | Does not buy data. Refers companies to buyers of code, commit history, issue trackers, design docs, chat, CRM, tickets, email and wikis | Messages, code, documents, records and tasks from tools such as Slack, Teams, Gmail, GitHub, Jira, Drive, Notion, Salesforce, HubSpot, QuickBooks and Zendesk |
| Published payout | Not published by OpenTrain. Its pages quote buyer ranges of $100,000 to more than $3 million, and $50,000 to $500,000 for private code | Not published. Price set by data type, volume, years of history and lab demand, and approved by the seller |
| Size requirement | None published. The signer must have authority to bind the company | No minimum headcount |
| Exclusivity | Set by each buyer | Not published |
| Fee to seller | None. A buyer may pay OpenTrain a referral reward | Nothing upfront. Commission when a sale closes (rate not published) |
| Payment timing | Set by each buyer. OpenTrain says it emails within 24 hours of the questionnaire | Target of 7 days after a sale closes |
| Facts checked | November 2026 | November 2026 |
Published payouts are ceilings or estimates, not quotes.
Who are OpenTrain AI and SellMyData?
Data broker
OpenTrain AI
OpenTrain AI runs a free referral service that matches companies with AI data buyers that license internal work records, and names each buyer it sends details to. Companies pay OpenTrain nothing, and a buyer may pay OpenTrain a referral reward. The license is signed directly with the buyer, and OpenTrain says it never receives, holds or sells the data.
Data broker
SellMyData
SellMyData is a broker that de-identifies company data and sells it to AI labs, describing itself as the exchange for AI training data. It sets no minimum headcount, charges nothing upfront, takes a commission only when a sale closes, lets sellers approve every buyer and term, and targets payment within 7 days of a sale closing.
Which fits you, OpenTrain AI or SellMyData?
The right fit between OpenTrain AI and SellMyData depends on your records and the terms you need. We do not rank either company, and each point below comes from its published facts.
OpenTrain AI may suit you if
- you want introductions to named buyers at no cost to you
- you want to sign the license directly with the buyer, with exclusivity and payment timing set by each buyer
- you want an email within 24 hours of completing the questionnaire
SellMyData may suit you if
- you have no minimum headcount to meet
- you prefer to pay nothing upfront and a commission only when a sale closes
- you want a target of payment within 7 days of a sale closing
Terms to ask about
OpenTrain AI does not publish its payout or size requirement. SellMyData does not publish its payout or exclusivity terms. Ask each company for these terms in writing before you share a sample.
Comparing offers?
Published payouts are ceilings, not quotes. We can put your records in front of several vetted buyers and compare offers on the same terms. Get a free valuation.
Frequently asked questions
What do OpenTrain AI and SellMyData pay for data?
What size of company do OpenTrain AI and SellMyData look for?
Do OpenTrain AI and SellMyData charge sellers a fee or require exclusivity?
When do OpenTrain AI and SellMyData pay sellers?
Related comparisons
Sources
- Company data licensing, OpenTrain AI, accessed November 2026
- Company data licensing for software companies, OpenTrain AI, accessed November 2026
- SellMyData homepage and FAQ, SellMyData, accessed November 2026