Get paid to
train frontier AI
Join thousands of experts earning $40–$150/hr reviewing AI outputs and labeling data in math, coding, science, finance, and more — on your own schedule.
4.7 from 200+ annotator reviews
$40–$150+/hr
$15,000+
No fixed hours · any of 50+ domains · crypto payouts.
Rates vary by project, qualification, and difficulty.
As seen in
190,000+
Active annotators
$36M+
Paid out
50+
Task categories
5
Countries
Four steps to start earning
From signup to your first payout in as little as 24 hours.
Sign up
Create your account with email or Google. Add your profile, country, LinkedIn, and choose your expert categories.
Pass qualification
Take a short assessment in your chosen categories. Demonstrate your expertise and unlock the next step.
Verify identity
Complete identity verification (KYC). Once approved, you get full access to the dashboard and paid tasks.
Get paid
Complete annotation tasks at $40–$150/hr and withdraw your earnings directly to your crypto wallet.
What you'll actually do
We rely on real experts to make AI models sharper. Here are the kinds of tasks you'll pick up.
Rate & rank AI answers
Why
Comparing model responses teaches the AI which answers are actually correct, helpful, and safe.
How
Read a prompt and two or more model answers, then rank them and explain what makes the best one better.
Rank these responses
- Is the answer factually correct?
- Does it fully address the question?
- Is the reasoning sound, not just the result?
- Would an expert in the field approve it?
Built for experts, not busywork
Everything about the platform is designed around one idea: your expertise is valuable, and your time should be rewarded.
Top rates for real expertise
Earn $40–$150/hr. Expert work in STEM, coding, and specialized domains is priced like expert work — not pennies per task.
Work on your own schedule
No shifts, no minimums, no manager. Pick up tasks whenever it suits you and stop whenever you want.
Fast, transparent onboarding
Sign up, qualify, verify — most annotators reach paid tasks within 24 hours. You always know where you stand.
Crypto payouts
Withdraw earnings to your own wallet on Ethereum, Polygon, and more. Your balance is yours, always visible.
Work that actually matters
Shape the reasoning of frontier AI models with your domain knowledge — from proofs to code reviews to clinical judgment.
Vetted, verified community
Every annotator passes a qualification and identity check. You work alongside 190,000+ verified specialists.
Real work, real rates
A snapshot of the kinds of projects our experts pick up every day.
Pick your field
Rates scale with difficulty — routine work at the lower end, frontier reasoning at the top. Many experts stay for years.
View all domains$60–$120/hr
Math
$75–$150/hr
Programming
$75–$150/hr
Medical
$75–$150/hr
Law
$75–$150/hr
Finance
$60–$120/hr
Physics
See one that fits? Plan ~30 minutes for the qualification — we review every application.
Start your applicationIf you're an expert, there's work for you
AnnotationData is for people with genuine depth in a subject. You bring the expertise; we bring the tasks, the rates, and the flexibility.
- Located in the US, UK, CA, AU, or NZ
- A bachelor's, master's, PhD, or strong practical experience
- The ability to pass a qualification in your field
Grad students & researchers
Turn your coursework and research depth into flexible income between classes and projects.
Domain professionals
Doctors, lawyers, and finance experts apply real-world judgment to high-value tasks.
Engineers & data scientists
Review model code, evaluate reasoning, and catch subtle bugs at rates above most freelance work.
Subject-matter experts
Any field with real depth — from linguistics to chemistry — has demand for your expertise.
Earn $40–$150 per hour
Top annotators earn thousands monthly. Your expertise in STEM, coding, and specialized domains is highly valued.
I've been earning consistently for 6 months. The flexibility to work on my schedule while contributing to AI is incredible.
Sarah K.
Math & Physics Annotator
$12,400
As a software engineer, the coding annotation tasks perfectly match my skills. The pay is better than most freelance gigs.
James R.
Coding & CS Annotator
$18,200
The qualification process was straightforward. Within a week I was reviewing medical data annotations at top rates.
Dr. Amira L.
Biology & Medicine Annotator
$9,800
Available balance
$3,420.00
Get paid for every task, in crypto
No invoicing, no waiting on clients. You earn as you work and withdraw whenever you're ready.
01Earn per task
Every completed task adds to your balance at $40–$150/hr, based on category and complexity.
02Track your balance live
Your dashboard shows exactly what you've earned and what's available to withdraw, in real time.
03Withdraw in crypto
Cash out to your wallet on Ethereum, USDC, or USDT once you're above the minimum — on your schedule.
Frequently asked questions
We currently accept annotators from the United States, United Kingdom, Canada, Australia, and New Zealand. You must pass a qualification assessment in at least one category and complete identity verification.
Hourly rates range from $40 to $150 depending on the task category and complexity. Top annotators in specialized fields like medicine and coding earn at the higher end.
After signing up, you choose your expertise categories and take a short multiple-choice assessment. If you pass, you move on to identity verification and then gain access to paid tasks.
We support crypto withdrawals. Once your balance is available, you can withdraw to your preferred wallet address on supported networks including Ethereum, Bitcoin, and USDT.
Most annotators complete the full onboarding — registration, qualification, and KYC — within 24 hours. Some complete it in under an hour.
Tasks span Math, Coding, Biology, Finance, Creative Writing, Law, and many more domains. You'll be matched with tasks that fit your verified expertise.