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Meridial for AI trainers

The expert network built for frontier AI training

meridial.ai
Open jobs
489
Median pay
$37/hr
Typical pay
$5–65/hr
32 reviews
1.5

About Meridial

Meridial is the expert marketplace of Invisible Technologies, an AI company that started in 2015. It hires lawyers, doctors, engineers, coders, linguists, and other experts as independent contractors. They write and rank AI answers, red-team models, and build training environments for AI labs and companies. Invisible says it has trained over 80% of the leading AI models. Most Meridial roles are posted as "Freelance AI Trainer Project" jobs, and the same role is often posted once per country.

Founded
2015 (Invisible Technologies)
Founder
Francis Pedraza (CEO: Matt Fitzpatrick)
Headquarters
San Francisco, USA
Funding
$100M at a valuation over $2B (2025)
Workers
Independent contractors
Payment
Payment provider, every two weeks

How hiring works

  1. Create a profile on meridial.ai, list your skills, and confirm your identity with your camera. You need clear written English and a computer with 8GB of RAM.
  2. Apply to open projects and take the skills tests. Reviewers say some tests watch your camera, microphone, and screen.
  3. Meridial compares your profile with its projects and contacts you when one fits. Joining does not guarantee work.
  4. Sign a Statement of Work that shows the rate and the expected length. Some projects also need a background check.

What workers say

Good

  • You see the rate and the expected length of a project before you sign.
  • Meridial says all time on a project is paid, every two weeks.
  • Many open roles in law, coding, science, finance, and over 100 languages.

Watch out for

  • 91% of Trustpilot reviews are 1 star. Many say they did unpaid tests and then got no work.
  • Some applicants were stuck at address verification, and support replies can take weeks.
  • During some tasks, Meridial can record your screen and use your camera to check that you are present.

Open jobs at Meridial

Open jobs

489 jobs

  • Sunda Language Specialist

    Sundanese GrammarSyntax+5

    $6–65/hr

    🇮🇩 Indonesia

  • German Language Specialist (Android Device)

    German GrammarSyntax+5

    $6–65/hr

    🌍 Australia, Canada, Egypt, Thailand, US

  • Tutoring Specialist

    PedagogyTeachingTutoring+4

    $6–65/hr

    🌍 Worldwide

  • Financial Compliance Specialist (India)

    Indian Financial Regulations+7

    $6–65/hr

    🇮🇳 India

  • Slovene Voice Actor

    Voice ActingDubbing+4

    $6–65/hr

    🌍 Worldwide

  • Maltese Voice Actor

    Voice ActingDubbing+4

    $6–65/hr

    🌍 Worldwide

  • Lithuanian Voice Actor

    Voice ActingDubbing+4

    $6–65/hr

    🌍 Worldwide

  • Latvian Voice Actor

    Voice ActingDubbing+4

    $6–65/hr

    🌍 Worldwide

  • Estonian Voice Actor

    Voice ActingDubbing+4

    $6–65/hr

    🌍 Worldwide

  • Czech Voice Actor

    Voice ActingDubbing+4

    $6–65/hr

    🌍 Worldwide

  • Finnish Voice Actor

    Voice ActingDubbing+4

    $6–65/hr

    🌍 Worldwide

  • Welsh Voice Actor

    Voice ActingDubbing+4

    $6–65/hr

    🌍 Worldwide

  • Russian Voice Actor

    Voice ActingDubbing+4

    $6–65/hr

    🌍 Worldwide

  • Romanian Voice Actor

    Voice ActingDubbing+4

    $6–65/hr

    🌍 Worldwide

  • Icelandic Voice Actor

    Voice ActingDubbing+4

    $6–65/hr

    🌍 Worldwide

  • Arabic Voice Actor

    Voice ActingDubbing+4

    $6–65/hr

    🌍 Worldwide

  • Japanese Voice Actor

    Voice ActingDubbing+4

    $6–65/hr

    🌍 Worldwide

  • Hindi Voice Actor

    Voice ActingDubbing+4

    $6–65/hr

    🌍 Worldwide

  • Portuguese Voice Actor

    Portuguese Voice Acting+6

    $6–65/hr

    🌍 Worldwide

  • Voice Actor

    Voice ActingDubbing+5

    $6–65/hr

    🌍 Worldwide

  • Video Game Specialist (US)

    PC GamingWASD Controls+4

    $6–65/hr

    🇺🇸 US

  • Small Business Ownership

    Small Business Operations+7

    $6–100/hr

    🌍 Worldwide

  • Audio Specialist

    Audio Evaluation+6

    $11–30.65/hr

    🌍 Worldwide

  • Spanish Audio Specialist

    Audio Evaluation+6

    $11–30.65/hr

    🌍 Worldwide

  • Hindi Audio Specialist

    Audio Evaluation+6

    $11–30.65/hr

    🌍 Worldwide

  • Albanian Language Specialist

    Albanian Grammar+4

    $6–65/hr

    🌍 Worldwide

  • Business and Management Specialist

    Business Operations+7

    $6–65/hr

    🌍 Worldwide

  • Financial Institutions Specialist

    Banking Systems+7

    $6–65/hr

    🌍 Worldwide

  • Spanish (Latin America) Language Data Contributor (Multimodal)

    Latin American Spanish+7

    $6–65/hr

    🌍 Worldwide

  • Portuguese Language Data Contributor (Multimodal)

    Brazilian Portuguese+7

    $6–65/hr

    🌍 Worldwide

  • Korean Language Data Contributor (Multimodal)

    Korean GrammarKorean Syntax+6

    $6–65/hr

    🌍 Worldwide

  • Japanese Language Data Contributor (Multimodal)

    Japanese Grammar+7

    $6–65/hr

    🌍 Worldwide

  • Pavement Condition Index (PCI) Survey & Annotation Specialist

    Pavement Condition Index+6

    $6–20/hr

    🌍 Worldwide

  • Detective & Police Officers

    Criminal Investigations+7

    $6–65/hr

    🌍 Worldwide

  • Audio Editor for Dialogue / Audio Post-Production

    iZotope RXAvid Pro Tools+6

    $15–30/hr

    🌍 Worldwide

  • English Language Specialist (US Only)

    ResearchWritingTutoring

    $20/hr

    🇺🇸 US

  • Uyghur Voice Actor

    Voice ActingUyghur+4

    $11–20/hr

    🌍 Worldwide

  • Garment Manufacturing QC Specialist

    Garment Quality Control+7

    $6–15/hr

    🌍 Worldwide

  • SWE Infrastructure Specialist (Java)

    JavaJVM+6

    $80–150/hr

    🌍 Worldwide

  • SWE Infrastructure Specialist (JS/TS/Python)

    JavaScriptTypeScript+6

    $80–150/hr

    🌍 Worldwide

  • PHP Coding Specialist

    PHPAlgorithms+6

    $6–65/hr

    🇺🇸 US

  • Rust Coding Specialist

    RustAlgorithms+6

    $6–65/hr

    🇺🇸 US

  • TypeScript Coding Specialist

    TypeScriptAlgorithms+6

    $6–65/hr

    🇺🇸 US

  • Drone Systems Specialist

    Drone Systems+6

    $6–65/hr

    🇺🇸 US

  • Pure Mathematics Specialist

    Lean 4Probability Theory+6

    $35–65/hr

    🌍 Worldwide

  • Graphic Designer Specialist

    Graphic Design+7

    $6–65/hr

    🌍 Worldwide

  • British Sign Language (BSL)

    British Sign Language+7

    $6–65/hr

    🌍 Worldwide

  • Geospatial Reasoning Specialist (Senior)

    Geospatial AnalysisGIS+6

    $24/hr

    🌍 Worldwide

  • Vietnamese Voice Actor

    Voice ActingDubbing+3

    $6–65/hr

    🌍 Worldwide

  • Hungarian Voice Actor

    Voice ActingDubbing+3

    $6–65/hr

    🌍 Worldwide

Open jobs by category

  1. Languages221 open jobs
  2. STEM85 open jobs
  3. Coding57 open jobs
  4. Voice & Video52 open jobs
  5. Generalist31 open jobs
  6. Medical19 open jobs
  7. Finance11 open jobs
  8. Creative10 open jobs
  9. Legal3 open jobs

Hourly pay of open jobs

  1. Under $2527 open jobs
  2. $25–50445 open jobs
  3. $50–7513 open jobs
  4. $75–1001 open jobs
  5. $100–1502 open jobs
  6. $150–2000 open jobs
  7. $200 or more1 open jobs

Frequently Asked Questions about Meridial

How much does Meridial pay?

Meridial has 489 open jobs on this site. The median pay is $37/hr, and most jobs pay $5–65/hr. Each job page shows its own rate.

How does Meridial pay workers?

Meridial pays every two weeks to the payment account in your profile, through a third-party payment provider. Each project has a Statement of Work with the rate, set before you start, and Meridial says all time on a project is paid. Many job posts give a range such as $8 to $65 an hour, and the exact rate depends on your experience, skills, and country. To pay you, Meridial can ask for a government ID and a tax ID. You pay your own taxes.

How do I get hired at Meridial?

1. Create a profile on meridial.ai, list your skills, and confirm your identity with your camera. You need clear written English and a computer with 8GB of RAM. 2. Apply to open projects and take the skills tests. Reviewers say some tests watch your camera, microphone, and screen. 3. Meridial compares your profile with its projects and contacts you when one fits. Joining does not guarantee work. 4. Sign a Statement of Work that shows the rate and the expected length. Some projects also need a background check.

Is Meridial legit?

Meridial is a real company. It belongs to Invisible Technologies, a San Francisco company founded in 2015 that raised $100M at a valuation over $2B in 2025. Invisible's customers include Microsoft and AWS. Meridial says it pays every two weeks. But it has 1.5 of 5 on Trustpilot from 32 reviews, and many reviewers say they did unpaid tests and then got no work.

How are Meridial and Invisible Technologies related?

Meridial is the expert marketplace of Invisible Technologies. Invisible sells AI training data and AI software to companies, and Meridial finds the experts who do the work. You work as an independent contractor, not as an employee of Meridial or Invisible. Meridial job posts are on Greenhouse under the name "agency", and some emails come from the invisible.email domain.

What is an AI trainer job?

AI trainers help companies improve AI models. You review and rate model answers, write example answers, find mistakes, or record voice and video data. Experts in law, medicine, coding, languages, and other fields teach models how a professional thinks. Most of this work is remote, flexible, and paid by the hour.

Are AI trainer jobs remote?

Yes. Every job on this site is remote, and most have flexible hours. Some jobs accept people from certain countries only, so check the 🌍 location on each job before you apply.

What skills or degrees do I need?

It depends on the job. Generalist jobs need clear writing and attention to detail. Expert jobs usually ask for a degree or work experience in the field, such as a law license or medical training. Language jobs need native or fluent skill in that language. Coding jobs need real programming experience.