Mercor vs DataAnnotation: Which Fits You?

By the SOJI editorial team · Reviewed 10 November 2026

Mercor vs DataAnnotation is a comparison of two platforms that pay contractors for AI-training work: Mercor matches experts to projects through a profile and interview, while DataAnnotation has you pass a starter assessment and then pick tasks. Last checked: 10 November 2026. Everything below comes from official pages of each company, and we name what they do not say.

Key takeaways

• Mercor describes expert work in fields such as medicine, law and engineering. DataAnnotation lists 133 roles across 14 categories, from generalist to coding.
• Mercor's site states weekly pay, Wednesdays, through Stripe Connect or Wise. DataAnnotation's FAQ states PayPal.
• Both state pay figures, but they mean different things: Mercor shows listed project rates and a $90/hr average contracted rate, DataAnnotation shows starting ranges per tier.
• Neither is a SOJI partner. SOJI earns nothing if you join either one.

Side by side

Item	Mercor	DataAnnotation
Work type	Expert work, AI evaluation, benchmarks	Reviewing, rating, ranking, fact-checking, labeling
How joining works	Profile, short AI evaluation, adaptive AI interview, matching to projects	Pick a track, one Starter Assessment (about an hour), identity check via Persona
Pay as stated	Listed rates from $60-$70/hr to $350-$450/hr, $90/hr average contracted rate	Starting rates: General $25-$50, Multilingual $25-$40, Coding $40-$150+
Payment	Weekly, Stripe Connect or Wise by region, 7-day hold on the first Stripe payout	PayPal, with deposits within a few days of requesting
Contractor status	Not explained on the pages we read, with hourly or deliverable-based contracts	Described as contractors, no minimum hours
Regions	Supported-countries list for payment, work eligibility not stated	No country list, English fluency and internet required

What each page says

The Mercor site and its experts page say compensation depends on expertise, project complexity and demand, and that payment terms are defined upfront. Its payments help page says all contracts are in USD, Stripe Standard payout is free and Stripe Instant carries a 1.0% fee. Its contracts page says deliverable-based contracts have no minimum hourly guarantee and may be voided if the customer changes plans.

The DataAnnotation homepage describes a flexible, task-based contractor role. Its FAQ says there is no guaranteed volume of work, no signup fee, and that the company never asks for money, including for identity verification.

Which fits which profile

• Deep professional background. Mercor's pages are built around credentialed fields and matching to projects. DataAnnotation also lists medical and legal tracks, so check both against your field.
• Want to choose tasks and hours. DataAnnotation's FAQ says there are no minimum hours and you pick projects. Mercor hourly contracts set a weekly hours cap that the project team approves.
• Paid from outside the US. Mercor publishes a supported-countries page and assigns Stripe or Wise by region. DataAnnotation names only PayPal. See how to get paid from abroad.
• Prefer predictable terms. Mercor's contract types differ, so read which one you are offered. DataAnnotation promises no volume. See hourly vs per-task pay.

Alternatives to compare

• Platform checks: Is Mercor legit and Is DataAnnotation legit.
• Another pair: Micro1 vs Mercor.
• Stated rates: browse /jobs and the /pay-index.

Frequently asked questions

Which pays more, Mercor or DataAnnotation?

The pages do not allow a fair comparison. Mercor shows project rates and an average contracted rate, DataAnnotation shows starting ranges. Neither states what a given person earns.

Can I use both?

The pages we read do not forbid it. Check each agreement for exclusivity or confidentiality terms. See what to read before signing.

Do either charge to join?

DataAnnotation says no signup fees. Mercor's pages we read do not mention fees to experts. Be wary of anyone asking for money and the FTC job scams guide lists warning signs.

Limitations

We are an independent site. We read public pages only, not logged-in dashboards, assessments or contracts, and we cannot guarantee any outcome. Neither company is a SOJI partner. Rates and eligibility change, so the live pages are the right source.

Sources and further reading

• Mercor homepage: Shows sample expert listings with hourly ranges and a $90/hr average contracted rate.
• Mercor experts page: Explains how the AI interview and project matching work, and states weekly pay.
• Mercor payments help: Wednesday payouts, Stripe Connect or Wise by region, first-payout hold and fees.
• Mercor contracts help: Hourly and deliverable-based contract terms, weekly hour caps and onboarding steps.
• DataAnnotation homepage: Lists roles, categories, hourly ranges and describes a task-based contractor role.
• DataAnnotation FAQ: Starting rates, PayPal payment, Starter Assessment, no signup fees and no guaranteed volume.
• FTC: Job Scams: how to spot and avoid job scams

SOJI is an independent job board and is not affiliated with Mercor or Micro1. If you apply through our referral links and are hired, SOJI may earn a commission, at no cost to you, and this does not affect which jobs we publish. More on the about page.