OpenTrain AI

Website Overview

opentrain.ai United States Medium

OpenTrain AI is a talent marketplace connecting AI companies with vetted trainers and data labelers for remote, contract-based jobs across 40+ domains and 120+ languages.

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Open Jobs

844844 jobs on this site

Job Listing Status

ActiveLast update: 2026-09-17

Tier 3 (Low)Market Level

Pricing Model

Commission BasedBusiness Model

Overview

OpenTrain AI is a talent marketplace that connects AI companies with vetted trainers and data labelers. Jobs are remote and contract-based, covering domains such as safety red teaming, medical RLHF, math reasoning, code generation, legal, multilingual, finance, physics, creative writing, and audio transcription. The platform claims a network of 437,000+ vetted AI data experts across 220+ countries, supporting 120+ languages and 40+ domains.

Freelancers can join for free with no fees. Employers can post unlimited jobs for free and pay only when they hire. Self-service pricing is a 10% marketplace fee plus a $9.95 contract initiation fee; managed service pricing is a 20% management fee. The platform integrates with annotation tools including Label Studio, CVAT, Argilla, Roboflow, and AWS SageMaker, and provides a built-in workspace with messaging, docs, and project management.

What stands out

Free for freelancers with no fees to join or work.
Employers can post unlimited jobs for free and pay only when they hire.
Integrates with annotation tools such as Label Studio, CVAT, Argilla, Roboflow, and AWS SageMaker.
Built-in workspace with chat, docs, and project management.

Who it suits

Freelancers seeking remote, contract-based AI training and data labeling work across diverse domains and languages.
Employers needing vetted AI data experts for specialized tasks like safety red teaming, medical RLHF, or multilingual annotation.

Topics

AI TrainingData LabelingRLHFLLM EvaluationRed TeamingDomain ExpertsAnnotation

Freelance

Site TypeNiche Industry

Primary CountryUnited States

Primary IndustryTechnology>AI & Data Science

Main LanguageEnglish

Supported LanguagesEnglish

Job roles

Software EngineeringData Science & AnalyticsProduct & Project ManagementMarketing & ContentHealthcare & MedicalLegal & ComplianceEducation & Training

General

Industries covered

Technology>AI & Data ScienceTechnical>Software Dev/ProgrammingHealthcareFinancial ServicesLegalScience

Audience & Region

United States17.3%

India12.8%

Nigeria7.8%

Pakistan6.5%

Kenya6.1%

Main audience regionGlobal

Target audience

Diversity>GeneralCollege & Alumni>Students & Recent Grads

Seniority level

ExecutiveMid LevelFresh GradGeneral

Features & Experience

Platform Features

Job Posting For AI Training And Data Labeling ProjectsCurated Shortlist Of Pre Vetted Domain ExpertsAI Screening Of Resumes, Skills Tests, And Live InterviewsIntegration With Third Party Annotation Platforms (Label Studio, Roboflow, AWS SageMaker, CVAT, Scale Studio, SuperAnnotate, Encord, Dataloop, Kili Technology, Supervisely, V7 Darwin, Snorkel AI, Argilla, Datasaur, Prodigy, Datature)Built In Workspace With Chat, Docs, And Project ManagementGlobal Payments Across 220+ Countries With Flat FeeSelf Service Job Posting And Fully Managed Service Options

Talent Network For Freelancers And Data Labeling CompaniesSolutions For RLHF, Red Teaming, Evaluation, Annotation, And More

Core Site Sections

JobsSolutionsTalent MatchingPlatform IntegrationsWorkspacePayments

Design Style & ExperienceModern

Job Listing StatusActive

Last Job Update2026 09 17

Additional Business Lines

Managed AI Training ServicesFreelance AI Trainer MarketplaceData Labeling Company Partnerships

Pricing

Pricing modelCommission Based

Plans summaryOpenTrain AI Operates On A Commission Based Model With Two Tiers: A Self Service Marketplace With A 10% Fee Plus A $9.95 Contract Initiation Fee, And A Managed Service With A 20% Management Fee. Posting Jobs Is Free, And Payment Is Only Required Upon Hiring.

CurrencyUSD

Documented plans

Self-Service10% marketplace fee + $9.95 contract initiation fee

Managed Service20% management fee

Similar Sites & Alternatives

Market Position

Niche Leader in AI training and data labeling talent marketplace, positioned as a specialized platform connecting vetted domain experts (PhDs, clinicians, engineers) with AI labs for RLHF, red teaming, and evaluation. Competes with larger data labeling platforms by emphasizing pre-vetted expert talent and managed services.

Scale AI

Appen

Labelbox

Surge AI

Invisible Technologies

Traffic & Search

Monthly visits

Estimated website visits · Similarweb

Jun 2026 – Aug 2026

Latest monthly visits: 915,357
Month-over-month change: +16.1%

Jun2026

Jul

Aug

Select a point for details. Gaps indicate unavailable data.

View monthly data

Estimated monthly website visits
Month	Estimated visits
Jun 2026	512,484
Jul 2026	788,414
Aug 2026	915,357

Visit engagement

How visitors use this website

Bounce rate: 36.5%
Pages per visit: 6.12
Avg. visit duration: 4m 0s

Traffic sources

Share of estimated visits

Direct45.6%

Mail10.1%

Referrals3.6%

Social0.0%

Paid Referrals0.0%

Search0.0%

Top search keywords

Reported search volume is not a count of visits to this website.

Keyword	Search volume
ai training jobs	47,390
opentrain ai	19,020
open train ai	2,730
opentrain	2,270
opentrain ai jobs	690

Trust & Privacy

Privacy status

Risk level

Medium

Based on public signals

Privacy standards

GDPR

CCPA

Data collection

Phone

Location

Name

Password

Professional Profile Details

Payment Information

Tax Information

Government ID

Biometric Data

Device Information

Usage Data

User Content

Customer Content

Company Details

Founders

Weston Dotson

Contact & Presence

contact@opentrain.ai

support@opentrain.ai

+1 (267) 863-4262

Unknown

twitterSocial Profile

linkedinSocial Profile

Site Screenshot

OpenTrain AI job board platform screenshot showing job search interface

Latest Capture v2.1