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US
LLM Evaluation — Specialist Review
Argilla LLM Eval Review QA
$3,200
Total Budget
$40.00/hr
Pay per Hour
Posted: Apr 7, 2025
98% match
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GB
Data Labeling Specialist — Multimodal
Label Studio Vision Audio Multi
$2,880
Total Budget
$36.00/hr
Pay per Hour
Posted: Apr 7, 2025
95% match
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US
Prompt & Response Review — RLHF
CVAT RLHF Audit Eval
$2,040
Total Budget
$34.00/hr
Pay per Hour
Posted: Apr 6, 2025
92% match
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Leila H.
Freelancer

LLM evaluation and annotation

Specialist in English and French

USA
Key Skills
Software
AR Argilla OT OpenTrain DS Datasaur Other
Top Subject Matter
Prompt review Domain QA
Top Data Types
Images Audio Benchmarks
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US
LLM Evaluation Specialist
Argilla Review Complex Work
$2,040
Total Budget
$10.20/hr
Pay per Hour
Posted: Apr 7, 2023
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GB
Verify ai training specialist outputs
Label Studio Rubric Review
$2,800
Total Budget
$12/hr
Pay per Hour
Posted: Apr 7, 2023
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AI Training History & Reviews

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Portfolio review
Feb, 2022 - Jan, 2023
OpenTrain Review Domain
✓ Reviewed expert outputs
✓ Checked rubric alignment
✓ Verified domain quality
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RLHF Evaluator
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Frontier AI Lab
Preference Modeling
$32/hr Argilla
Task Specialist
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Agent Reliability
Prompt and QA Ops
$37/hr Datasaur
Multimodal Annotator
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Vision Data Team
Multimodal Ops
$30/hr Label Studio
Prompt QA Reviewer
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Agent Reliability
Prompt and QA Ops
$37/hr Datasaur
Safety Review
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Enterprise Model
AI Safety and Review
$30/hr OpenTrain

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Data Labeling Specialist
Applied: Apr 7, 2023
$24/hr
Hourly rate bid
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Prompt Review Writing
Applied: Apr 7, 2023
$34.20/hr
Hourly rate bid
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Work History

Verified work
LLM Hybrid-RLHF
★ 5.0 Project rating
May, 2019 - Jan, 2022
⦿ OpenTrain ▣ Domain Review

Reviewed outputs, scored quality with rubrics, and rewrote weak responses across multimodal AI tasks.

Satellite Image Tagging
★ 4.9 Project rating
Feb, 2022 - Jan, 2023
⦿ OpenTrain ▣ Domain Review ⌂ Portfolio
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opentrain.ai

Jobs and Payouts

Lifetime Earnings
$123,000$126,600$128,400
Average Hourly rate
$52/hr
Active Projects
34
LLM Evaluation
Milestone Paid
50%
RLHF Preferences
Complete
100%
Data Labeling
860 hrs
80%
+23
AI Training opportunities available across many AI platforms. Abstract globe and brain illustration for ai training AI training work.
Shape the Future
Work From Anywhere
Top AI Companies
Build Your Portfolio
Shape the Future
Work From Anywhere
Top AI Companies
Build Your Portfolio
How It Works

How OpenTrain Works

One profile, one place to see every job, one portfolio that tracks your entire career.
/ 01
Create Your Free Profile
Add your skills, domains, languages, and rates. Upload your resume and we'll help build your profile automatically.
/ 02
See Jobs From 20+ Platforms in One Place
We bring AI training and data labeling jobs from across the industry into one searchable feed. No more checking multiple sites.
/ 03
Apply to Jobs That Match Your Skills
Some jobs you apply to directly on OpenTrain. Others link to partner platforms. Either way, you find them all here.
/ 04
Build Your Portfolio Over Time
Log completed projects from any platform. Your work history stays in one place and helps you land more work over time.

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Career Paths

Explore Career Paths Into AI Training

Explore domain-specific paths into AI training work. Each page shows how a background like mathematics, law, medicine, or software engineering translates into real opportunities on OpenTrain.

Popular Paths
Mathematics Biology Chemistry
Quantitative & STEM

Proof-heavy, reasoning-heavy, and technical evaluation work.

Mathematics Physics Statistics Operations Research
Software & Technical

Code review, tool use, debugging, and technical QA tasks.

Software Engineering Engineering Computer Science Data Science Cybersecurity Mechanical Engineering Electrical Engineering Architecture Geospatial GIS Civil Engineering Industrial Engineering
Life Sciences

Scientific review, biomedical QA, and domain-correctness work.

Biology Chemistry Chemical Engineering Environmental Science Materials Science Neuroscience
Healthcare & Clinical

Clinical review, documentation QA, and healthcare reasoning tasks.

Medicine Nursing Public Health Pharmacy Biomedical Engineering Psychology Pharmacology Dentistry Veterinary Medicine
Legal & Policy

Compliance review, citation checks, and legal reasoning work.

Law Public Policy Linguistics Education Journalism History Political Science Sociology Translation & Localization
Business & Finance

Financial reasoning, structured review, and domain QA.

Finance Accounting Economics Supply Chain
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Your Custom Tool
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Label Studio
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Vision
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FAQ

Frequently Asked Questions

Everything you need to know about joining and finding work on OpenTrain.

Yes. OpenTrain is 100% free for freelancers. Always. We never charge you anything and we never ask for a credit card or payment method.

Pay varies by project and skill level. Simple data labeling tasks may pay $15-25/hr, while specialized work like LLM evaluation, code review, or medical annotation can pay $50-100+/hr. You set your own rates and choose which jobs to apply to.

We aggregate AI training and data labeling jobs from 20+ platforms and companies into one feed. Some are posted directly on OpenTrain, others are pulled from partner platforms. You see everything in one place.

For jobs posted on OpenTrain, you apply and get paid here. For jobs from partner platforms, we link you to their site to apply. Either way, you can log completed projects on your OpenTrain profile to build your portfolio.

It depends on the role. Some projects require domain expertise (medical, legal, coding), while others are open to beginners. Your profile helps match you with jobs that fit your background.

Yes. Nearly all AI training and data labeling work is fully remote with flexible hours. You work from anywhere on your own schedule.

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