Platform Overview
Hire, manage, and pay top AI Trainers & Data Labelers in one place while working in the tools you already use
Find Data Labeling Vendors
Browse vetted agencies and BPOs for large-scale projects.
List your data labeling company
Create a free company profile, receive matched RFPs, and submit proposals with your pricing, capacity, and timeline.
JOIN AS Freelancer
The #1 Platform for Finding AI Training Jobs
We bring AI training and data labeling jobs from 20+ platforms into one place.
Work With Us
Hire Freelancers
Post a Job to the #1 Network for AI Training Talent Now
Post your job and find pre-vetted AI Trainers & Data Labelers across any domain, language, or tool.
FOR LARGE PROJECTS / MANAGED SERVICE
Done-for-You AI Data Teams
For large or complex projects. We recruit, train, manage, and QA your team inside your tools.
JOIN AS Freelancer
The #1 Platform for Finding AI Training Jobs
We bring AI training and data labeling jobs from 20+ platforms into one place.
LLM & Agents
View All LLM & Agent Solutions
Structured Data Labeling
View Data Labeling Solutions
Work With Us
Hire Freelancers
Post a Job to the #1 Network for AI Training Talent Now
Post your job and find pre-vetted AI Trainers & Data Labelers across any domain, language, or tool.
FOR LARGE PROJECTS / MANAGED SERVICE
Done-for-You AI Data Teams
For large or complex projects. We recruit, train, manage, and QA your team inside your tools.
Work With Us
Hire Freelancers
Post a Job to the #1 Network for AI Training Talent Now
Post your job and find pre-vetted AI Trainers & Data Labelers across any domain, language, or tool.
FOR LARGE PROJECTS / MANAGED SERVICE
Done-for-You AI Data Teams
For large or complex projects. We recruit, train, manage, and QA your team inside your tools.
Integrations / Dataloop
Find & Hire AI Trainers for Your Dataloop Projects
Post a job and get a curated shortlist of specialists for image, video, LiDAR, audio, text, GenAI evaluation, and more. Hire directly and invite them to your Dataloop workspace.
Post a Dataloop Job
Hire Pre-Vetted Experts
Chat & Manage Work
Global Secure Payments
Talent Network 
The #1 Network of Dataloop Data Labelers
Global network of 100,000+ pre-vetted Data Labelers across 70+ languages
Specialists for image, video, LiDAR, audio, text, documents, and more
Domain experts in autonomous vehicles, robotics, agriculture, retail, and industrial inspection
Why OpenTrain
Source Pre-Vetted Data Labelers for Your Dataloop Projects
Every candidate goes through AI-powered screening and interviews before they're matched to your job. You get a shortlist of qualified Data Labelers ready to work in your Dataloop workspace from day one.
Candidates are pre-screened for the specific modalities and domains you need
Invite your hires straight into your Dataloop workspace
All project data stays in Dataloop
How It Works
One Platform to Hire and Manage Your Dataloop Team
Hire AI Trainers for your multimodal projects and manage everything from a single workspace. No more juggling separate tools.
Post a Dataloop Job
Create an account and post your first job in minutes. Describe your project requirements, set your rate, and start receiving proposals from AI Trainers.
Post a Dataloop Job
Review Pre-Vetted Proposals
Every candidate is screened and interviewed by our AI before being matched to your job. Review your shortlist, message candidates, and choose the right fit.
Post a Dataloop Job
Hire and Invite to Dataloop
Once you've made your hires, invite them directly into your Dataloop workspace. Keep using your existing pipelines and workflows.
Post a Dataloop Job
Communicate and Manage Work
Message your team, share guidelines, and track progress from one place. Everything you need to coordinate your Dataloop project is built in.
Post a Dataloop Job
Pay Securely in One Place
Handle global payments from a single dashboard. No chasing invoices or juggling multiple payment methods.
Post a Dataloop Job
Get Started
Start Building Your Dataloop Team
Post your first job and get matched with AI Trainers who can work across your Dataloop pipelines and workflows. Most teams make their first hire within a week.
Solutions
Find Talent For Any AI Data Need
LLM & Agents
Find vetted domain experts to train and evaluate your LLMs, driving higher quality and more reliable model behavior.
Agent Simulations
Code Generation Review
Computer Use Agent Training
Function Calling
Hallucination Audits
LLM Evaluation
Multilingual AI Training
RL Environment Design
RLHF & Preference Data
Reasoning Problem Creation
Reasoning Step Verification
Red Teaming
Supervised Fine-Tuning
View All LLM & Agent Solutions
Structured Data Labeling
Hire experienced annotators to deliver precise, consistent labels at scale across vision, text, audio, and 3D.
Document Annotation
Image Annotation
Medical Imaging Annotation
Point Cloud Annotation
Satellite Imagery Annotation
Segmentation
Speech and Audio Labeling
Text Annotation
Time Series Annotation
Video Annotation
View All Data Labeling Solutions
Process
How It Works
Scaling multimodal annotation used to mean months of recruiting and onboarding. With OpenTrain, you can have AI Trainers working in your Dataloop workspace within days.
01
Post Your Job and Get Matched
Create an account, describe your annotation needs across any modality, and start receiving proposals from AI Trainers matched to your Dataloop project.
02
Hire and Invite to Dataloop
Review candidates, make your hires, and add them to your Dataloop workspace with a few clicks.
03
Manage and Pay in One Place
Message your team, share project guidelines, track progress, and handle global payments from a single dashboard.
Post Your Dataloop Job Now
Create an account and start receiving proposals in minutes.
Post a Dataloop Job Large Project? We Can Help.
We'll recruit, train, and manage a dedicated team for your Dataloop annotation workflows.
Get a Managed Service Quote FAQ
FAQs About Hiring for Dataloop
Common questions about finding and managing AI Trainers and Data Labelers for your Dataloop projects.
Once you've made a hire on OpenTrain, you can invite them to your Dataloop workspace using their email. Dataloop's role-based access controls let you assign them to specific projects and tasks without exposing other parts of your organization.
Yes. Our network includes specialists experienced in image, video, LiDAR, audio, text, document annotation, and GenAI evaluation. When you post a job, specify the modalities and studios you need, and we'll match you with relevant candidates.
Yes. We have AI Trainers experienced in prompt-response evaluation, preference ranking, and other human feedback workflows. Many have worked in Dataloop's RLHF Studio or similar GenAI pipelines.
No. Your annotation data stays in Dataloop. OpenTrain is only used for hiring, communication, and payments. We never touch your datasets or project files.
OpenTrain charges a platform fee on top of what you pay your AI Trainers and Data Labelers. You set your own rates and pay only for work completed. No subscriptions or minimums.
Managed Service is for teams that need a dedicated workforce without the overhead of recruiting, training, and managing AI Trainers and Data Labelers themselves. We handle end-to-end operations inside your Dataloop workspace for large or ongoing projects.
Get Started
Join the #1 Platform for AI Training Talent
Where top AI builders and expert AI Trainers connect to build the future of AI.
Self-Service
Post a Job
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.
For Freelancers
Join as an AI Trainer
Find AI training and data labeling projects across platforms, all in one place. One profile, one application process, more opportunities.