Key Companies & Platforms in AI Training

Discover the Top Players in the AI Training Industry

Industry Overview

The AI data training and annotation industry is a goldmine for job seekers, powering models like Grok, ChatGPT, and self-driving cars. With over 1.5 million annotators globally in 2025 and a projected 25% annual job growth through 2030, it offers flexible, remote opportunities. In June 2025, Indeed listed 5,878 remote jobs, ranging from $5/hour micro-tasks to $80/hour specialist roles.

Your Career Roadmap

This evergreen guide, updated with June 2025 insights, is your roadmap to top players like Appen and xAI. Packed with pay data, insider stories, and tips, it helps you land your dream role. Dive in, bookmark this page, and launch your AI training career with confidence.

AI Training Job Growth Chart

AI training jobs grew 40% from 2020-2025, with 25% annual growth projected through 2030. Your opportunity to join this booming industry starts here!

Why AI Data Training Is a Career Game-Changer

Global AI Training Impact - Human-AI Collaboration

The Human Edge

AI models rely on human-in-the-loop (HITL) work—labeling images, ranking responses, or auditing datasets—to learn, adapt, and stay ethical. No coding degree is required, welcoming detail-oriented newbies and domain experts, with 5,878 remote jobs in June 2025.

Opportunities Await

From global platforms to niche startups, this guide covers key players and their hiring processes. Whether starting at $5/hour or aiming for $80/hour, you can find your fit with the right strategy.

Real-World Impact

Human-in-the-loop work boosts AI performance by 20-30% in safety-critical tasks, making your contribution essential to the future of AI technology.

1. Human Data Labeling & Evaluation Services

Invisible Technologies

HITL Specialist

$15-$30/hour

Work Type

U.S. HITL roles (text, audio, code) with skills tests

Remote Work

🏠 Mostly Remote

Focus Areas

RLHF and quality assurance tasks

Scale AI (Remotasks)

Various Tasks

$8-$18/hour

Work Type

Global freelance via certification quizzes

Remote Work

✅ Fully Remote

Special Note

LiDAR certifications unlock $18/hour tasks

TELUS International AI

Multilingual Tasks

$9-$14/hour

Work Type

Freelance with cultural context quizzes

Remote Work

✅ Fully Remote

Specialization

Multilingual and culturally-aware annotation

Appen

Crowd-sourced Tasks

$5-$12/hour

Work Type

Freelance with accessible entry exams

Remote Work

✅ Fully Remote

Best For

Beginners starting in AI annotation

iMerit

Specialized Annotation

$400-$600/month

Work Type

Full-time with on-site training (India focus)

Remote Work

🏢 Region-based

Career Path

Clear progression to QA leadership roles

Samasource (Sama)

Social Impact

$10-$20/hour

Work Type

Hybrid roles in Africa/Asia

Remote Work

🏠 Mostly Remote

Mission

Empowering underserved communities through AI work

Outlier AI

NLP Specialist

$10-$25/hour

Work Type

Freelance NLP tasks with advanced testing

Remote Work

✅ Fully Remote

Focus

Natural language processing and text analysis

DataAnnotation.tech

RLHF Expert

$10-$40/hour

Work Type

Freelance RLHF for experienced annotators

Remote Work

✅ Fully Remote

Requirements

Experience preferred for higher-paying tasks

Success Story

Aisha's journey from $6 to $15/hour at Sama shows how dedication to accuracy and guideline mastery can lead to significant pay increases in just a few months.

2. Annotation & Evaluation Platforms

Labelbox

Type:

Collaborative annotation for healthcare, subscription-based

Key Features:

ML assistance, team collaboration, enterprise workflows

Best For:

Professional teams and healthcare annotation projects

Label Studio

Type:

Open-source for text/image, completely free

Key Features:

50K+ GitHub stars, versatile annotation types

Best For:

Beginners and portfolio building projects

CVAT

Type:

Free tool for vision tasks, self-hosted

Key Features:

Computer vision focus, autonomous vehicle projects

Best For:

Image and video annotation, especially automotive

MakeSense.ai

Type:

Free, web-based image labeling

Key Features:

No signup required, instant start

Best For:

Complete beginners wanting to practice

💡 Pro Tip

Start with free tools like Label Studio and MakeSense.ai to build your skills and portfolio before investing in paid platforms.

3. Major AI Model Developers & Research Labs

OpenAI

GPT/RLHF

$80k-$200k per year

Work Type:

  • Full-time positions
  • Technical interviews required

Anthropic

Claude

$100k-$250k per year

Work Type:

  • Full-time with rigorous vetting
  • AI safety focus

xAI

Grok Tutors

$35-$80 per hour

Work Type:

  • Contract via Greenhouse
  • Domain expertise valued

Google DeepMind

Gemini

$120k-$300k per year

Work Type:

  • Full-time via Google portal
  • Research and applied roles

Emerging Players to Watch

🌊

Surge AI

$20-$40/hour: Specializes in feedback and language annotation for OpenAI. Offers freelance roles with focus on conversational AI improvement.

🌍

OneForma (Pactera EDGE)

$10-$25/hour: Provides multilingual annotation for global AI, paying competitive rates with strong cultural focus.

🔬

Alignerr

$15-$35/hour: Targets STEM annotation, offering competitive rates for math and science tasks. Perfect for technical backgrounds.

☁️

CloudFactory

$8-$20/hour: Focuses on ethical annotation in Africa, providing remote opportunities with strong social impact mission.

🏥

Anolytics AI

$12-$30/hour: Niche focus in medical and geospatial annotation. Excellent for healthcare backgrounds.

🎵

TaskUs AI

$15-$35/hour: Emerging in audio and text annotation, offering remote freelance work with focus on voice AI.

Success Story

Priya's journey to $25/hour at Alignerr demonstrates how STEM background and specialized knowledge can command higher rates in emerging AI companies.

Next Steps to Land Your AI Training Job

Explore career pages

Explore Career Pages

Check Invisible, xAI, or Appen weekly; set Indeed alerts for "AI annotator" to catch new opportunities.

Build a portfolio

Build a Portfolio

Practice with Label Studio or CVAT on COCO; @PortfolioPro landed 5 offers in 2025 with strong portfolio.

Upskill strategically

Upskill Strategically

Learn Python (Kaggle, free) or LiDAR certs ($50) for $18-$40/hour roles and advanced opportunities.

Network online

Network Online

Join X or r/datascience; @AIJobsNow connected 50 annotators to Scale AI gigs in 2025.

Track applications

Track Applications

Log platforms and test results in a spreadsheet; aim for 95%+ exam scores for consistent success.

Seek feedback

Seek Feedback

Connect with peers on LinkedIn or X for resume reviews, boosting success by 20% according to 2025 Upwork data.

💡 Pro Tip

Follow your 6-step job search roadmap consistently. Success in AI training comes from persistent application and continuous skill development.

Why This Industry Is Your Future

Flexibility and Growth

AI data training offers unmatched flexibility, from $5/hour micro-tasks on Appen to $80/hour AI tutors at xAI. With automation enhancing human roles rather than replacing them, your work in annotation or QA remains critical through 2030.

Life-Changing Impact

Sam, a Nigerian Remotasks annotator, rose from $8/hour to $18/hour with a $50 LiDAR cert, saving for a tech degree. HITL work boosts AI performance by 20-30% in safety tasks, making your contribution essential.

Sam's Journey from $8 to $18/hour at Remotasks
20-30%
AI performance boost from human input
25%
Annual growth through 2030

Source: 2025 TED study and Upwork report

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Keep Learning

This guide is evergreen but refreshed with new pay data and trends as the industry evolves. Stay informed to seize emerging opportunities and refine your skills for maximum earning potential.

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Your AI Training Journey Starts Now

From global platforms like Appen to emerging players like Surge AI, opportunities abound in the AI training industry. Take the first step today and join the millions shaping the future of artificial intelligence.

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