Outlier is a task marketplace. You pick up work from whichever track you qualify for, at that track’s own rate. There is no posted role and no guarantee the queue keeps refilling. Mercor posts actual roles, each with a stated hourly rate, and screens once with a short AI interview. Those are the roles Red Pen Jobs lists.
We do not list Outlier and earn nothing if you apply there. Mercor pays this site a referral fee if you are hired through our link, and your pay is unaffected either way.
Outlier and Mercor side by side
| Outlier | Mercor | |
|---|---|---|
| Run by | Scale AI, through its affiliate Smart Ecosystem, Inc. | Mercor |
| Offered as | Task-track queues (coding, voice, language, generalist review) | 181 posted roles with a stated hourly rate |
| Pay as published | Set per track, no platform-wide figure (up to $15/hr on its English generalist track, $34/hr on a Latin America coding track) | $15–350 across hourly roles; median ceiling $95 |
| Screening | Identity and phone verification, then a skill assessment per track | Resume, role assessments, one AI interview (about 20 minutes, up to 3 retakes) |
| Continuity | No scheduled hours; Outlier can pull task listings or deactivate an account “without prior notice for any reason” | Contract-based; length and hours vary by project |
| Paid | Weekly, Tuesdays, PayPal, Airtm or ACH | Weekly, Wednesdays, via Stripe (Wise where Stripe is unavailable) |
| Countries | No list published; its terms exclude countries under US embargo and require an ID and phone from your country of residence | Set per role, within Mercor’s list of supported countries |
The work
Outlier’s tasks are things like ranking model outputs, writing and rating content, or reviewing code. Outlier’s own FAQ says the projects available may not match your field. There is no posting to read before you start. You find out what a track pays on that track’s own landing page, and the tracks open to you can change without warning.
Mercor works the other way. A listing describes an actual role, usually tied to a professional background: an engineer, an accountant, a clinician, a lawyer. The rate is stated on the posting itself. You apply to that role specifically, and the work maps to what the listing described.
The pay
Neither platform guarantees hours, and a stated rate is not promised income. But the two publish pay differently. Outlier’s rate lives on the track page you sign up for. There is no single figure that describes the platform. Two people on Outlier can be paid up to $15 an hour and $34 an hour for work that looks nothing alike.
Mercor states a rate on every role, currently $15–350 across its hourly listings, with a median ceiling of $95.
Getting in
Outlier’s screening is identity verification and a skill assessment on the track you want. Whether that assessment time is paid is not published.
Mercor runs a single process regardless of role. You upload a resume, complete the assessments a role asks for, verify your work authorisation, then sit one AI interview of about 20 minutes. There is no human-interview option. You can retake the interview up to three times total across every application on your account. Mercor gives no general time to hear back.
Staying in
Outlier’s terms give no right to continued work. It can remove task listings or deactivate an account “immediately without prior notice for any reason.” Applicants report being placed in an unexplained gap in available work, an “empty queue,” after a project ends or a quality flag is applied.
Mercor’s contracts run for as long as a project needs the work done, and applications sometimes sit in review longer than the stated two-to-four-week window. Neither platform promises you will be kept busy once you are in.
Which one
If you want to start earning quickly across whatever track is open, without applying to a specific role, Outlier’s queue model fits that. Mercor suits a professional background in engineering, law, medicine, finance or writing. It fits best if you want a posted role with a stated rate and one screening interview.
Browse Mercor’s roles open now, or read more on the Mercor platform page. Mercor pays this site a referral fee if you are hired through that link; your pay is unaffected.
Open work in your field
Each page lists the roles open today for that profession, with the pay each posting states.
- Bilingual speakers95
- Software engineers82
- Engineers71
- Generalists63
- Lawyers61
- Business and operations specialists53
- Doctors and clinicians49
- Researchers and academics36
- Accountants and finance experts36
- Life scientists32
- Designers19
- Voice and audio recorders16
- Machine learning engineers15
- Medical coders and auditors13
- CAD and manufacturing specialists12
- Physicists11
- Data analysts11
- Writers and editors10
- Marketing professionals10
- Transcribers9
- Sales and CRM specialists7
- Mathematicians and statisticians7
- Video recorders6
- Video editors and animators6
- IT support specialists3
- QA engineers3
Red Pen Jobs is independent. We are not affiliated with, endorsed by, or acting for Outlier in any way, and we do not recruit on its behalf.