Opendatabay vs DataVendor: how their terms compare
By Gareth HoyleLast updated How we research
In short
Opendatabay suits dataset sellers who want free listing and a commission that falls as the sale price rises, and DataVendor suits vendors selling codebases, tasksets and RL environments at their own price. DataVendor keeps 20% of earnings on withdrawal and centers on codebases and RL environments. Opendatabay's commission falls from 30% to 5% as the sale price rises.
Key takeaways
- Opendatabay and DataVendor are both data marketplaces.
- Published payout at Opendatabay: Seller sets the price and keeps 70% to 95% depending on the sale price.
- Published payout at DataVendor: Vendor sets the price.
- Opendatabay publishes 4 of the 6 terms compared here, and DataVendor publishes 4.
- Facts were checked on each company's own pages in November 2026.
How do Opendatabay and DataVendor 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 | Opendatabay | DataVendor |
|---|---|---|
| Type | Data marketplace | Data marketplace |
| What it buys | Lists text, image, audio, video, code, agentic trajectories, 3D, tabular, time-series, human feedback and synthetic data | Lists codebases, tasksets with their RL environments, corpora and raw data |
| Published payout | Seller sets the price and keeps 70% to 95% depending on the sale price | Vendor sets the price. Example homepage listings include a $220,000 payments monorepo |
| Size requirement | Not published | None. Self-serve sign-up with no application review |
| Exclusivity | Not published | Not published |
| Fee to seller | Free to list. Commission from 30% (sales up to $100) to 5% (sales above $250,000), set per transaction | 20% of vendor earnings, charged on withdrawal. A $15 dispute fee passes to the vendor if a dispute is lost |
| Payment timing | Within 30 days of the end of the month for self-serve sales. Balances under $50 carry forward | Not published |
| Facts checked | November 2026 | November 2026 |
Published payouts are ceilings or estimates, not quotes.
Who are Opendatabay and DataVendor?
Data marketplace
Opendatabay
Opendatabay is a marketplace for licensed AI training and fine-tuning datasets, showing 111 licensed data providers and 655 data products on its homepage. Listing is free, its published commission falls from 30% on small sales to 5% on sales above $250,000, and payouts for self-serve sales arrive within 30 days of the end of the month.
Data marketplace
DataVendor
DataVendor is a marketplace run on the HUD platform where vendors sell codebases, tasksets, RL environments and raw data to AI companies. Vendor sign-up is self-serve with no application review, vendors set their own prices, and DataVendor keeps 20% of vendor earnings when they are withdrawn. Its FAQ says all sales are final.
Which fits you, Opendatabay or DataVendor?
The right fit between Opendatabay and DataVendor depends on your records and the terms you need. We do not rank either company, and each point below comes from its published facts.
Opendatabay may suit you if
- you want to list free and set your own price
- you expect larger sales, where commission falls to 5% above $250,000
- you want self-serve payouts within 30 days of the end of the month
DataVendor may suit you if
- you sell codebases, tasksets with RL environments, corpora or raw data
- you want self-serve sign-up with no application review
- you accept DataVendor keeping 20% of earnings on withdrawal
Terms to ask about
Opendatabay does not publish its size requirement or exclusivity terms. DataVendor does not publish its exclusivity terms or payment timing. 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 Opendatabay and DataVendor pay for data?
What size of company do Opendatabay and DataVendor look for?
Do Opendatabay and DataVendor charge sellers a fee or require exclusivity?
When do Opendatabay and DataVendor pay sellers?
Related comparisons
Sources
- Opendatabay homepage, Opendatabay, accessed November 2026
- Fees and pricing, Opendatabay, accessed November 2026
- DataVendor homepage, DataVendor, accessed November 2026
- DataVendor documentation, DataVendor, accessed November 2026
- FAQ, DataVendor, accessed November 2026
- Become a vendor, DataVendor, accessed November 2026