Mercor vs DataAnnotation

Updated October 18, 2026

Mercor and DataAnnotation side by side

Who is each one better for?

Mercor tends to suit people with specific, provable expertise who want something closer to a part-time contract: a defined project, a project lead, a weekly hour cap, and a paycheck every week. You trade flexibility for structure. Your hours are tracked by software, and when a project ends you go back to applying.

DataAnnotation tends to suit people who want to fit work around everything else. There are no minimum hours and you choose your own projects, which makes it a good match for strong writers, coders, and credentialed professionals who want to log in when they have time. The trade-off is that you cannot plan around it: work depends on demand for your skills and your past quality, and dashboards can go quiet.

How does the pay compare?

Mercor shows a range on every listing on its explore page. On Oct 18, 2026, the Generalist role (which requires a Mac) listed $50 to $60/hour, the Lawyer Talent Network $60 to $150/hour, the Physician Talent Network $110 to $250/hour, and its software engineering talent networks $70 to $150/hour. A batch of specialist chemistry and engineering roles paid $65 to $75 per task instead of per hour.

DataAnnotation uses "up to" rates on its role list: up to $50/hr for Generalist, up to $125+/hr for expert roles in law, finance, medicine, science, and engineering, up to $150+/hr for coding and data roles, and up to $40/hr for language specialists. Its FAQ gives lower starting points, such as $25 to $50+ per hour for general projects and $40 to $125+ for STEM and professional tracks.

By field, using each platform's own listings on Oct 18, 2026:

• Law: Mercor $60 to $150/hour (Lawyer Talent Network) vs DataAnnotation up to $125+/hr.
• Medicine: Mercor $110 to $250/hour for physicians and $60 to $120/hour for nurses vs DataAnnotation up to $125+/hr for physician and nurse roles.
• Coding: Mercor $70 to $150/hour vs DataAnnotation up to $150+/hr.
• Languages: DataAnnotation lists up to $40/hr for dozens of languages. Mercor's language work is listed project by project and ranged widely that day, from $17 to $25/hour to $48 to $62/hour for bilingual AI safety roles, depending on the language.
• Generalists: Mercor $50 to $60/hour vs DataAnnotation up to $50/hr.

For the full rate tables, see how much Mercor pays and how much DataAnnotation pays.

How do the application processes differ?

Mercor: you upload a resume to a listing and complete whatever steps it asks for, usually a recorded AI interview. Mercor's interview FAQ says most take about 20 minutes, you can take a free practice interview as often as you like, and you can retake an official interview up to three times, though hiring managers can see your retake count. The AI interview is the only screening method. The Generalist listing described a 3-minute AI conversation plus a short paid assessment, and asked for 10 to 20 hours a week.

DataAnnotation: you pick a track and take a Starter Assessment, which the FAQ says takes most people about an hour. You can take it only once. Specialist assessments for coding, sciences, law, finance, medicine, and languages take one to two hours. If you pass, DataAnnotation says you will usually hear within a few days. It also says it cannot reply to every applicant, so silence can mean you were not accepted. Accepted workers verify their ID through Persona.

How steady are the hours?

Neither one is steady in the way a job is. On Mercor, each contract sets a weekly cap, and projects can end with little warning. In November 2025, Business Insider reported that Mercor ended a large Meta project with more than 5,000 contractors and offered a replacement project at a lower rate. On DataAnnotation, the FAQ says work availability depends on demand for your skills and your past performance, and workers describe dry spells of days or weeks in threads like "Ok, there's definitely a drought, but how long will it last?"

How does getting paid differ?

Mercor pays weekly. Its pay policy says hours from Saturday to Friday, India Standard Time, are processed by the end of the following Wednesday, Pacific time, through Stripe, or Wise where Stripe is not available. Stripe holds your first payout for 7 days, and Mercor says most experts get funds 2 to 10 days after processing. Hours can be withheld after a human review for policy violations, low-effort work, or time logged while not working, and you must dispute within the next pay period.

DataAnnotation pays through PayPal, and its FAQ says deposits arrive within a few days after you request them. Workers report that hourly earnings become withdrawable 7 days after you submit your time and per-task earnings after about 3 days (r/dataannotation). Because payouts are on request, a balance can build up, so experienced workers withdraw often.

What do the complaints say?

Mercor: its Trustpilot profile showed 4.5 stars from 1,195 reviews on Oct 18, 2026, with 73% five-star reviews, and Mercor invites people to review it. Happy reviewers mention on-time weekly pay and helpful team leads. Recent complaints describe being offboarded suddenly, including one reviewer cut after 6 hours on a project described as long term, and not being selected after doing everything asked. Mercor also had a data breach in March 2026 and faces a proposed class action, White v. Mercor.io Corporation, alleging contractor misclassification and deducted hours. Those are allegations, not findings.

DataAnnotation: its Trustpilot profile showed 3.9 stars from 1,975 reviews, with 54% five-star and 21% one-star reviews. Happy reviewers like the flexibility and fair rates. The recurring complaints are dry spells, never hearing back after the assessment, more unpaid qualification tests and new background checks, and accounts marked unavailable for quality or terms reasons with approved earnings still in the balance. One reviewer on Oct 15, 2026 said more than $5,500 in approved earnings was stuck after their account was flagged. A 2025 proposed class action (Bloomberg Law) accuses Surge AI, which runs DataAnnotation, of misclassifying workers. Again, those are allegations.

Which should you try first?

• Try Mercor first if you have a license, an advanced degree, or years in a field Mercor lists, and you want weekly pay and a defined project.
• Try DataAnnotation first if you want to set your own hours, you write or code well, and you are fine with work that comes and goes.
• Consider both if you want more chances at steady work. You are an independent contractor on each, so read every contract for its hour caps and confidentiality terms.

Still deciding? Read Is Mercor legit? and Is DataAnnotation legit, and how fast does it pay? for the full background on each company.

Related guides

• Is Mercor legit?
• Is DataAnnotation legit, and how fast does it pay?
• How much does Mercor pay?
• How much does DataAnnotation pay?

Pay figures are the ranges each platform lists or reports, not guaranteed earnings. Each platform decides who qualifies, which projects are open, and final pay. Check the current listing before applying.

FAQ

Does Mercor or DataAnnotation pay more?

It depends on your field. On Oct 18, 2026, Mercor listed its Generalist role at $50 to $60/hour and specialist talent networks such as physicians at $110 to $250/hour, while DataAnnotation listed up to $50/hr for general work, up to $125+/hr for expert roles, and up to $150+/hr for coding. Neither rate is guaranteed.

Which is more flexible, Mercor or DataAnnotation?

DataAnnotation. It has no minimum hours and you choose projects from your dashboard. Mercor projects set a weekly hour cap, track time with the Insightful app, and can end when the client's needs change.

How do Mercor and DataAnnotation pay?

Mercor pays weekly through Stripe, or Wise in some countries, with a 7-day hold on your first payout. DataAnnotation pays through PayPal when you request a withdrawal, and says deposits arrive within a few days.

Is it harder to get into Mercor or DataAnnotation?

They screen differently. Mercor uses a recorded AI interview of about 20 minutes for each listing, with up to three retakes. DataAnnotation uses a Starter Assessment of about an hour that you can take only once.

Sources

• work.mercor.com/explore (listings and Generalist requirements), checked Oct 18, 2026
• Mercor talent docs: time tracking and pay, AI interview, checked Oct 18, 2026
• dataannotation.tech (role list and rates), checked Oct 18, 2026
• DataAnnotation FAQ (starting rates, assessments, payments, availability), checked Oct 18, 2026
• Trustpilot: mercor.io and dataannotation.tech, checked Oct 18, 2026
• Business Insider, Nov 2025 (Mercor project ending)
• TechCrunch, Mar 31, 2026 (Mercor breach)
• White v. Mercor.io Corporation complaint (N.D. Tex.)
• Bloomberg Law, May 20, 2025 (Surge AI misclassification suit)
• Worker reports: r/dataannotation on payout timing, r/DataAnnotationTech on dry spells

Referral disclosure: Knackboard earns referral fees from micro1, Handshake, Mercor, and DataAnnotation when people join through our links. That never changes what you are paid or how your application is reviewed. How we get paid.