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The #1 Platform for Finding Mathematics AI Training Jobs
You should not need accounts on 20 platforms just to find work. See mathematics AI training and data labeling jobs from 20+ platforms in one feed. One profile, one inbox, one portfolio that grows with you.
opentrain.ai
Math AI Jobs Across 20+ Platforms
Search math ai training proof review example solutions
Math Evaluation Specialist
$3,200
Total Budget
$40.00/hr
Pay per Hour
Posted: Apr 7, 2025
98% match
Apply Now
Proof Review Specialist
$2,880
Total Budget
$36.00/hr
Pay per Hour
Posted: Apr 7, 2025
95% match
Apply Now
Benchmark Solution Writer
$2,040
Total Budget
$34.00/hr
Pay per Hour
Posted: Apr 6, 2025
92% match
Apply Now
How OpenTrain Works
One Profile. Jobs Across 20+ Platforms.
opentrain.ai
Your Profile
✓ Leila H.
Freelancer
Checking proofs and answers
Math AI training projects
USA
Key Skills
Software
AR Argilla OT OpenTrain DS Datasaur Other
Top Subject Matter
Proof review Rubric scoring
Top Data Types
Proof sets Rubrics Benchmarks
Create Your Expert Profile
Add your mathematics background, specialties, languages, and rates. Your profile is how AI teams find and shortlist you for math AI training work.
opentrain.ai
Search Jobs
Search
Check math benchmark answers
Argilla Review Complex Work
$2,040
Total Budget
$10.20/hr
Pay per Hour
Posted: Apr 7, 2023
Invite to Tool
Verify math specialist outputs
Label Studio Rubric Review
$2,800
Total Budget
$12/hr
Pay per Hour
Posted: Apr 7, 2023
Invite to Tool
Find Jobs Across All AI Platforms
See math AI training and data labeling roles from across the ecosystem in one feed. No more checking multiple dashboards for the right opportunity.
opentrain.ai
AI Training History & Reviews
Math training portfolio
Feb, 2022 - Jan, 2023
Argilla Rubric Reasoning
✓ Reviewed expert outputs
✓ Checked rubric alignment
✓ Verified domain quality
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Invite to Tool
Build a Unified Portfolio
Log completed projects from any platform. Your work history stays in one place and helps you win more math AI roles over time.
Why Join OpenTrain
The One Platform for Your Mathematics AI Training Career
We bring mathematics AI training and data labeling jobs from 20+ platforms into one place. Search, apply, and track your work without juggling separate accounts and dashboards.
Join Now All the Math AI Jobs in One Place
See math AI training and data labeling roles from 20+ platforms in a single feed. No more logging into separate dashboards or missing reasoning-heavy opportunities.
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Invitation to Interview
Invitation to Tool
Check Answers
Accept
â—°
Reasoning Lab
Model Evaluation
$32/hr Argilla
Rubric Audit
Start Working
â–
Research Ops
Proof Verification
$37/hr CVAT
Train Model
Start Working
â—§
Benchmark Team
Math QA
$30/hr Label Studio
Guide Scoring
Start Working
â—«
Research Ops
Proof Verification
$37/hr CVAT
One Inbox for Every Update
Role invites, application statuses, and shortlist notifications all land in one place. Apply directly from OpenTrain and track everything without the tab overload.
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Mathematics Updates
New invites
Check Model Math Answers
Applied: Apr 7, 2023
$24/hr
Hourly rate bid
Accept Invite
Write Scoring Guide
Applied: Apr 7, 2023
$34.20/hr
Hourly rate bid
Shortlisted
A Portfolio That Grows With You
Track your earnings and completed projects across every platform in one profile. The more you work, the stronger your profile becomes for future math AI roles.
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Mathematics Projects
Verified work
Proof Review Project
★ 5.0 Project rating May, 2019 - Jan, 2022
⦿ OpenTrain ▣ Reasoning
Checked proofs, reviewed derivations, and wrote example solutions to improve math-training datasets.
Benchmark Solution Set
★ 4.9 Project rating Feb, 2022 - Jan, 2023
⦿ Argilla ▣ Text ⌂ Benchmarks
Get Started
Create Your Profile Now and Access Math AI Jobs From 20+ Platforms
100% free, always. Search mathematics AI training and data labeling jobs from 20+ platforms, apply without juggling accounts, and build a portfolio that grows your career.
Build a Career in AI Training 
Join Now
AI Training Is a Career. Build Yours in Mathematics.
The AI industry is growing fast, and the teams building it need people with real mathematics expertise. Work with leading AI companies, help improve model outputs through tasks like review olympiad-style solutions and score reasoning traces, and build a portfolio that grows with you over time.
Work with top AI companies on reasoning-heavy models
Help improve how AI solves quantitative problems
Build a portfolio that grows as the industry grows
opentrain.ai
Mathematics Payouts
Lifetime Earnings
$136,000$140,400$142,800
Average Hourly rate
$58/hr
Active Projects
45
Math Answer Review
Milestone Paid
60%
Proof Checking
Complete
100%
Benchmark Writing
640 hrs
72%
+23 
Math AI Jobs
Work From Anywhere
Top AI Companies
Build Your Portfolio
Math AI Jobs
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.
Create Your Profile in 5 Minutes
Upload your resume to auto-build your profile. Review, edit, and publish. 100% free.
Join Now Browse 100+ Job Openings Now
See open projects in one place. Filter by domain and language and apply in minutes.
View Open Projects Career Paths
Related Career Paths
Explore adjacent domains where the same research, review, and subject-matter skills can transfer into AI training work.
Quantitative & STEM
Proof-heavy, reasoning-heavy, and technical evaluation work.
Software & Technical
Code review, tool use, debugging, and technical QA tasks.
Life Sciences
Scientific review, biomedical QA, and domain-correctness work.
Healthcare & Clinical
Clinical review, documentation QA, and healthcare reasoning tasks.
Legal & Policy
Compliance review, citation checks, and legal reasoning work.
Business & Finance
Financial reasoning, structured review, and domain QA.
Integrations
Find Jobs Across 20+ Platforms
See AI training and data labeling jobs from all the major platforms in one feed. No need to check each one separately.
Your Custom Tool
Custom
Label Studio
Multimodal
Roboflow
Vision
AWS SageMaker
Multimodal
CVAT
Vision
Scale Studio
Multimodal
SuperAnnotate
Multimodal
Encord
Vision
Dataloop
Multimodal
Kili Technology
Multimodal
Supervisely
Vision
V7 Darwin
Vision
Datature
Vision
Snorkel AI
Programmatic
Argilla
Text
Datasaur
Text
Prodigy
Programmatic
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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Where top AI builders and expert AI Trainers connect to build the future of AI.
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Post your project and get a shortlist of qualified AI Trainers and Data Labelers. Hire and manage your team in the tools you already use.
Managed Service
For Large ProjectsDone-for-You
We recruit, onboard, and manage a dedicated team inside your tools. End-to-end operations for large or complex projects.
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Find AI training and data labeling projects across platforms, all in one place. One profile, one application process, more opportunities.