CredentialWork

60 platforms, tiered and honestly tagged

We track 60 AI-training and expert platforms in four tiers: Tier 1 full reviews, Tier 2 shorter reviews, Tier 3 directory entries and Flagged platforms with warnings. Platforms with verified pay come first. Tiers show how deeply we have reviewed a platform, never who pays us.

Last verified by the CredentialWork team

Some links are referral links; we may earn a fee if you're hired. It doesn't change your pay.

Disclosure: our founder works at Mercor.

Tier 1
Full review with a dated log
Tier 2
Shorter review, narrower fit
Tier 3
Directory entry only
Flagged
Listed with a warning, not promoted
Your field

Showing 60 of 60 platforms

Tier 1: full reviews

4 shown · strongest fit for credentialed experts
Platform Best for Advertised pay Status Honest tags
Mercor Best for: Law, Medicine, STEM Advertised pay: US$30 to 250/hrVerified Legit Projects can end early
Outlier
Our profile
Apply links: General · Aether · Go direct Best for: STEM, Software Advertised pay: Up to US$150/hrVerified
Handshake AI
Our profile Best for: Law, Medicine Advertised pay: US$17 to 125/hrVerified US-based contributors only
DataAnnotation
Our profile Best for: Law, Finance, Medicine, STEM, Software, Language Advertised pay: US$25 to 150+/hr (starting rates)Verified

Tier 2: shorter reviews

2 shown · legit, with a narrower fit or caveats
Platform Best for Advertised pay Status Honest tags
Mindrift
Our profile Best for: Law, STEM, Software, Language Advertised pay: US$15 to 100+/hrVerified
Prolific
Our profile Best for: Not checked yet Advertised pay: US$8/hr minimumVerified Studies, not expert roles

Tier 3: directory entries

10 shown · adjacent or lower-fit platforms
Platform Best for Advertised pay Status Honest tags
Halluminate Best for: Finance Advertised pay: US$100 to 250/hrVerified
CrowdGen (Appen) Best for: Not checked yet Advertised pay: US$90 to 400/hrVerified
TELUS Digital AI Best for: Not checked yet Advertised pay: US$8/hr (India), €20.60/hr (Germany)Verifiedone listing Unverified
Welo Data Best for: Law, Medicine, STEM, Language Advertised pay: US$5 to 105/hrVerified
Appen (legacy) Best for: Language Advertised pay: US$9.96 to 100.30/hrVerified Now routes via CrowdGen
Scale AI Best for: Law, Finance, Medicine, STEM, Software Advertised pay: US$300/hr (research advisors)Verified
Crossing Hurdles Best for: Not checked yet Advertised pay: US$6 to 16 per approved recording hourVerified Recruiting intermediary
DataForce (TransPerfect) Best for: Language Advertised pay: Up to US$42/hr (one project)Verifiedone listing Unverified
Deccan AI Best for: Medicine Advertised pay: INR 1,500/hr (India)Verified Unverified
Perle Best for: Language Advertised pay: US$20 per accepted audio hourVerified Unverified

Flagged

2 shown · listed with a warning, not promoted
Platform Best for Advertised pay Status Honest tags
REX / Abaka Best for: Language Advertised pay: US$25 to 45/hrVerified Unverified Unpaid referrals reported
Remotasks Best for: Language Advertised pay: US$9 to 17/hrVerified Sign-up redirects to Outlier

Still checking 42 platforms

We haven't verified a pay figure we can show for these yet: none is published, it's a worker report, or the platform's terms stop us reusing it.

Tier 1: full reviews

Platform Best for Advertised pay Status Honest tags
micro1
Our profile Best for: Law, Medicine Advertised pay: Not shown here Unverified
Terac
Our profile Best for: Not checked yet Advertised pay: Not shown (site terms) Unverified
Alignerr
Our profile Best for: Not checked yet Advertised pay: Not published Unverified

Tier 2: shorter reviews

Platform Best for Advertised pay Status Honest tags
SME Careers
Our profile Best for: Medicine Advertised pay: Not shown Unverified
Turing
Our profile Best for: Law Advertised pay: Not shown (site terms) Unverified
AfterQuery
Our profile
Apply links: Apply on AfterQuery · Go direct Best for: Language Advertised pay: Not shown Unverified
Ethos
Our profile
Apply links: Join Ethos · Go direct Best for: Not checked yet Advertised pay: Not published Unverified
Invisible (Meridial)
Our profile Best for: Law, Finance, Medicine, STEM, Software, Language Advertised pay: Not shown Unverified
Snorkel Expert Community
Our profile Best for: STEM Advertised pay: Not shown (site terms) Unverified
xAI AI Tutor
Our profile Best for: Law, Language Advertised pay: Not shown Unverified
OneForma
Our profile Best for: Not checked yet Advertised pay: Not published Unverified Rate shown before accepting
Sovrano
Apply links: Join Sovrano · Go direct
CredentialWork is not affiliated with, endorsed by, or sponsored by Sovrano. Best for: Not checked yet Advertised pay: Not published Unverified Review planned

Tier 3: directory entries

Platform Best for Advertised pay Status Honest tags
GLG Best for: Not checked yet Advertised pay: About US$60/hrSelf-reported Unverified Expert network
Vetto Best for: Law, Finance, Medicine Advertised pay: Not shown (site terms) Unverified
Toptal Best for: Not checked yet Advertised pay: Not published Unverified
Andela Best for: Not checked yet Advertised pay: Not published Unverified
Clickworker Best for: Not checked yet Advertised pay: Not published Unverified Paid per task
Pareto AI Best for: Not checked yet Advertised pay: Not published Unverified
Sepal AI Best for: Not checked yet Advertised pay: Not published Unverified
Surge AI Best for: Law, Finance, Medicine Advertised pay: Not shown (site terms) Unverified
Paro Best for: Finance Advertised pay: Not published Unverified Not AI training
GloZ Best for: Not checked yet Advertised pay: Not published Unverified Localization work
CleverX Best for: Not checked yet Advertised pay: Not published Unverified
Datacurve (Shipd) Best for: Software Advertised pay: Not published Unverified Coding bounties
TransPerfect Community Best for: Not checked yet Advertised pay: Not published Unverified
AlphaSights Best for: Not checked yet Advertised pay: Not published Unverified Expert network
Guidepoint Best for: Not checked yet Advertised pay: Not published Unverified Expert network
The Expert Network Best for: Not checked yet Advertised pay: Not published Unverified Expert network
Third Bridge Best for: Not checked yet Advertised pay: Not published Unverified Expert network
Tegus (AlphaSense) Best for: Not checked yet Advertised pay: Not published Unverified
Coleman Research (VISASQ) Best for: Not checked yet Advertised pay: Not published Unverified
Dialectica Best for: Not checked yet Advertised pay: Not published Unverified
Catalant Best for: Not checked yet Advertised pay: Not published Unverified Referral program paused
Aquent Best for: Not checked yet Advertised pay: Not published Unverified Staffing firm
Revelo Best for: Not checked yet Advertised pay: Not published Unverified
Wirestock Best for: Not checked yet Advertised pay: Not published Unverified
Rapidata Best for: Not checked yet Advertised pay: Not published Unverified
iMerit Best for: Not checked yet Advertised pay: Not published Unverified
ClinicalPearls Best for: Medicine Advertised pay: Not published Unverified

Flagged

Platform Best for Advertised pay Status Honest tags
Stellar AI Best for: Not checked yet Advertised pay: Not published Closing Reportedly winding down
Braintrust Best for: Not checked yet Advertised pay: Not published Unverified Public referral links banned
Hyric.ai Best for: Medicine Advertised pay: Not published Unverified Medical jobs page gone

Advertised pay comes from each platform's own pages or employer-posted listings (labeled Verified) or, for one platform, a worker report (labeled Self-reported), checked 2026-10-24, 2026-10-25 or 2026-11-03 (Mercor: 2026-10-21). "Not published" means we found no public figure, "Not shown (site terms)" means the platform's terms stop us from reusing it, and "Not shown" means the only figures we have come from single job listings, not an official rate. It is not what you'll earn. Platform names are shown as text, not logos, and appearing here doesn't mean a partnership.