Appen vs Mercor: how their terms compare
By Gareth HoyleLast updated How we research
In short
Appen suits enterprises with support, ITSM, CRM or ERP records that want extraction handled at no cost, and Mercor suits companies whose workflow data sits in tools such as Slack, Gmail, Salesforce and GitHub. Appen quotes each partnership individually and pays on acceptance of the data. Mercor pays by wire after delivery, typically within 2 to 4 weeks of signing.
Key takeaways
- Appen and Mercor are both training-data companies.
- Published payout at Appen: Not published.
- Published payout at Mercor: Not published on mercor.com/data.
- Appen publishes 3 of the 6 terms compared here, and Mercor publishes 3.
- Facts were checked on each company's own pages in November 2026.
How do Appen and Mercor 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 | Appen | Mercor |
|---|---|---|
| Type | Training-data company | Training-data company |
| What it buys | Operational documentation, decision and escalation records from support, ITSM, CRM and messaging tools, and systems of record such as ERP, finance, contracts and procurement | Workflow data from more than 100 supported tools, including Slack, Microsoft Teams, Gmail, Salesforce, GitHub and Notion |
| Published payout | Not published. Each partnership is quoted individually, based on volume, connected systems, workflow complexity and rarity | Not published on mercor.com/data. ddiy.co reported Mercor's referral page listing $20,000 to $1.5 million by industry (October 2026) |
| Size requirement | Not published. Appen responds to registrations within two business days | Not published on mercor.com/data. Target industries include legal, healthcare, finance and insurance, professional services, manufacturing, retail, real estate and logistics |
| Exclusivity | Not published. Appen says your data is never commingled with another partner's | Not published |
| Fee to seller | None. Appen covers extraction, anonymization, preparation and transfer, with no setup fees or deductions | None. Mercor covers extraction, anonymization and transfer costs |
| Payment timing | On acceptance of the data rather than submission. No number of days published | Wire transfer after delivery, typically within 2 to 4 weeks of the signed agreement |
| Facts checked | November 2026 | November 2026 |
Published payouts are ceilings or estimates, not quotes.
Who are Appen and Mercor?
Training-data company
Appen
Appen is a training-data company with 30 years in AI data that now licenses permissioned operational data from enterprises to AI labs. Its enterprise data page says Appen covers extraction, anonymization and transfer at no cost to the seller, quotes each partnership individually and pays on acceptance of the data. It also sells 646 off-the-shelf datasets with perpetual, non-exclusive training rights.
Training-data company
Mercor
Mercor is a training-data company that pays businesses to license workflow data from tools such as Slack, Microsoft Teams, Gmail, Salesforce, GitHub and Notion. Its data monetization page says Mercor covers the cost of extraction, anonymization and transfer, and pays by wire transfer after delivery, typically within 2 to 4 weeks of the signed agreement.
Which fits you, Appen or Mercor?
The right fit between Appen and Mercor depends on your records and the terms you need. We do not rank either company, and each point below comes from its published facts.
Appen may suit you if
- your records sit in support, ITSM, CRM, messaging, ERP, finance, contracts or procurement systems
- you want Appen to cover extraction, anonymization, preparation and transfer with no setup fees or deductions
- you are comfortable being paid on acceptance of the data rather than on submission
Mercor may suit you if
- your records sit in tools Mercor supports, such as Slack, Microsoft Teams, Gmail, Salesforce, GitHub or Notion
- you want the buyer to cover extraction, anonymization and transfer costs
- you want a wire transfer after delivery, which Mercor says typically arrives within 2 to 4 weeks of the signed agreement
Terms to ask about
Appen does not publish its payout, size requirement or exclusivity terms. Mercor does not publish its payout, size requirement 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
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Related comparisons
Sources
- Enterprise data to advance frontier AI, Appen, accessed November 2026
- Data catalog, Appen, accessed November 2026
- Appen homepage, Appen, accessed November 2026
- Data monetization, Mercor, accessed November 2026
- Sell company data to AI, ddiy.co, accessed November 2026
- Selling company data for AI training: what to know before you say yes, Frankfurt Kurnit Klein and Selz, accessed November 2026
- micro1 tries to beat Google's bid to buy bankrupt Spirit Airlines' data, Fortune, accessed November 2026