Head-to-head
Outlier (Scale AI) vs Prolific
Which pays more, which is easier to start, and which fits the work you want. Compared on real pay, work model, payout, and the roles open right now.
Outlier (Scale AI) vs Prolific: the short answer
On pay, Outlier (Scale AI) is benchmarked at Up to $7–$50/hr; ML, EE and quant finance up to $150/hr and Prolific at $8–$216+/hr; their boards do not state enough rates to tell which pays more, so compare against your own hours.
Outlier (Scale AI) is an expert network, gated by a screen for a degree, professional expertise, or a skills test; Prolific is a research studies, open to most people, but you must match each study's participant criteria to qualify.
Both hire for AI Evaluation, Coding, Domain Experts, and Multilingual; Outlier (Scale AI) also covers Writing and Math & STEM; Prolific also covers Studies & Surveys and Data Annotation.
Bottom line: what we know does not separate these two on pay or on how many people they accept, so choose on the specific work each hires for.
| Outlier (Scale AI) | Prolific | |
|---|---|---|
| Typical pay | Up to $7–$50/hr; ML, EE and quant finance up to $150/hr | $8–$216+/hr |
| Work model | Expert network · Expert queue (Scale AI) | Research studies · Study pool + AI trainers |
| Kinds of work | AI Evaluation, Writing, Coding, Math & STEM, Domain Experts, and Multilingual | Studies & Surveys, AI Evaluation, Multilingual, Coding, Data Annotation, and Domain Experts |
| How you get paid | Weekly (Tuesdays) via PayPal, Airtm or ACH bank transfer. | Cash out to PayPal from £6/$6 of approved balance, once a day (resetting at midnight UTC), with a 72-hour wait between the first four cash-outs or after changing your PayPal details (its help center articles 'How do I cash out on Prolific?', updated 6 Aug 2026, and 'When can I cash out?', read 4 Nov 2026). |
| Where you can work | Remote, from the places its working guidelines list (effective 15 Jul 2026, read 8 Nov 2026): the US, the UK, India, the Philippines, Brazil and Egypt among them, but not Nigeria, Kenya, Pakistan or Ukraine. English projects dominate, with multilingual projects. | Residents of the 52 countries on its participant list (most of the OECD plus Brazil, Egypt, India, Indonesia, Hong Kong, Taiwan, South Africa and the Gulf states; its help article 'Who can participate in studies on Prolific?', updated 2 Sep 2026, read 4 Nov 2026). It excludes Turkey, Colombia, Costa Rica and every other country off that list, where you can only join a waitlist. |
| Open roles now | See platform | See platform |
| Worker ratings | Trustpilot 3.9/5 (5,781 reviews) (read November 2026) | See its review |
Pay shows each platform's live measured band where its feed has enough hourly-stated roles, otherwise our compiled benchmark. How we compile pay.
Best for people with a degree or professional skills who want vetted, higher-skill work.
Some links on AITraining.jobs are referral links. If you sign up through one, AITraining.jobs may earn a commission at no extra cost to you. It never changes what a platform pays you.
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Outlier (Scale AI) vs Prolific: common questions
Which pays more, Outlier (Scale AI) or Prolific?
On pay, Outlier (Scale AI) is benchmarked at Up to $7–$50/hr; ML, EE and quant finance up to $150/hr and Prolific at $8–$216+/hr; their boards do not state enough rates to tell which pays more, so compare against your own hours.
Is Outlier (Scale AI) or Prolific easier to get started with?
Outlier (Scale AI) is an expert network, gated by a screen for a degree, professional expertise, or a skills test; Prolific is a research studies, open to most people, but you must match each study's participant criteria to qualify.
Can you work on both Outlier (Scale AI) and Prolific?
Yes. They are independent platforms, and many contributors join several at once to keep a steady flow of work, especially since both hire for AI Evaluation, Coding, Domain Experts, and Multilingual. Signing up for one does not affect the other.
More comparisons
Ordered by what applying to their platforms is worth, lifted by a referral boost for a platform that pays us a referral fee; it never changes what a platform pays you.