Mercor for AI trainers
Organize your human intelligence to power the AI economy
- Open jobs
- 281
- Median pay
- $76/hr
- Typical pay
- $30–180/hr
- 1,058 reviews
- 4.5
About Mercor
Mercor started in 2023 as an AI hiring platform. It now places scientists, doctors, lawyers, bankers, and other experts with AI labs such as OpenAI and Anthropic, to train and test their models. Mercor says it has more than 30,000 experts and an average contract rate of $108 an hour.
- Founded
- 2023
- Founders
- Brendan Foody, Adarsh Hiremath, Surya Midha
- Headquarters
- San Francisco, USA
- Funding
- $350M at a $10B valuation (2025)
- Workers
- Independent contractors
- Payment
- Stripe or Wise, weekly
How hiring works
- Create an account and upload your resume.
- Answer a short written or multiple-choice assessment.
- Do a 20-minute AI video interview on a desktop computer. You can retake it up to 3 times.
- After an offer, verify your ID and pass a background check, which takes 1 to 2 weeks.
What workers say
Good
- Most reviewers say the weekly pay arrives on time.
- High rates: Mercor says its average contract pays $108 an hour.
- Interesting expert work with flexible remote hours.
Watch out for
- Projects can end or pause with no notice.
- Work volume is hard to predict, and hour caps or rates can drop.
- It is hard to reach a person for support.
Open jobs at Mercor
Open jobs
Pay amount
Pay type
281 jobs
Disease-Area Clinician — Trial Endpoints & PrescribingClinical Trial EndpointsDrug Development ProgramsTherapeutic Area ExpertisePrescribing Practices+3$150–230/hr
🇺🇸 US
Pharma Commercial Forecasting Expert — Launch CurvesPharma Commercial ForecastingDrug Launch ModelingBiotech/Pharma DevelopmentCommercial Forecast AnalysisAnalog AnalysisLoss of Exclusivity Analysis+5$130–210/hr
🇺🇸 US
Payer & Market Access Expert — Gross-to-Net & Formulary StrategyGross-to-NetFormulary TieringMarket AccessPayer BehaviorRebatesPricing and Reimbursement+6$175–200/hr
🇺🇸 US
Epidemiologist — Patient Population SizingEpidemiologyBiostatisticsPublic HealthBiotech/Pharma DevelopmentReal-World Data AnalysisClaims Data+6$150–175/hr
🇺🇸 US
Biotech Investment Analyst — Drug Asset & Company AssessmentBiotech Investment AnalysisPharmaceutical DevelopmentClinical Data EvaluationCompetitive PositioningInvestment Thesis Writing+4$120–200/hr
🇺🇸 US
Cybersecurity Research Expert – Offensive Security & Vulnerability ResearchExploit DevelopmentReverse EngineeringVulnerability ResearchBinary AnalysisC/C++Python+7$200–250/hr
🌍 Worldwide
Senior Software Engineer, Full Stack (Python, Java, Rust, C#, C++)PythonJavaRustC#C++TypeScript+5$90–110/hr
🇺🇸 US
Software Engineer, Full Stack (Python, Java, Rust, C#, C++)PythonJavaRustC#C++TypeScript+5$50–65/hr
🇺🇸 US
Inorganic Materials, Semiconductor & Superconductor ExpertsInorganic SynthesisSuperconductorsSemiconductorsXRDSEMTEM+7$84/hr
🇺🇸 US
Atomic Layer Deposition (ALD) ExpertsAtomic Layer DepositionThin-Film DepositionPrecursor ChemistryMaterials CharacterizationSemiconductor ProcessingXRD+7$84/hr
🇺🇸 US
Software Engineer — Agentic Search SystemsSearch SystemsRelevanceRetrievalAgentic SearchData InfrastructureLLMs+5$80–150/task
🌍 Worldwide
Voice Actor: CX Agent Voice Cloning (Swiss German)Voice ActingAudio RecordingPronunciationDictionIntonationEmotional Range+4$50–150/hr
🇨🇭 Switzerland
Voice Actor: CX Agent Voice Cloning (Australian English)Voice ActingAudio RecordingAudio EditingScript DeliveryPronunciationIntonation+4$50–100/hr
🇦🇺 Australia
AI Safety Experts — English & NorwegianRed TeamingAdversarial MLPrompt InjectionCybersecurityAI SafetyData Annotation+4$48–62/hr
🌍 Worldwide
AI Safety Experts — English & DanishRed TeamingAI SafetyCybersecurityPrompt InjectionAdversarial ML+3$48–62/hr
🌍 Worldwide
AI Safety Experts — English & FinnishAI Red TeamingPrompt InjectionAdversarial Machine LearningCybersecurityPenetration TestingReverse Engineering+7$48–62/hr
🌍 Worldwide
AI Safety Experts — English & SwedishAI Red TeamingAdversarial MLCybersecurityPrompt InjectionJailbreaksPenetration Testing+6$48–62/hr
🌍 Worldwide
AI Safety Experts — English & ThaiAdversarial MLPrompt InjectionRed TeamingCybersecurityConversational AI TestingRLHF/DPO Attacks+5$24–35/hr
🌍 Worldwide
AI Safety Experts — English & Portuguese (global)Red TeamingAI SecurityPrompt InjectionAdversarial MLCybersecurityData Annotation+5$29–45/hr
🌍 Worldwide
AI Safety Experts — English & IndonesianRed TeamingAdversarial MLPrompt InjectionCybersecurityPenetration TestingConversational AI+4$17–25/hr
🌍 Worldwide
AI Safety Experts — English & VietnameseAI Red TeamingPrompt InjectionCybersecurityAdversarial Machine LearningConversational AI Testing+4$17–25/hr
🌍 Worldwide
AI Safety Experts — English & DutchAdversarial Machine LearningPrompt InjectionCybersecuritySocio-Technical Risk AnalysisConversational AI Testing+4$48–62/hr
🌍 Worldwide
AI Safety Experts — English & MalayRed TeamingAdversarial MLCybersecurityPrompt InjectionPenetration TestingJailbreaking+6$17–25/hr
🌍 Worldwide
Data Scientist Talent NetworkPythonSQLStatistical ModelingMachine LearningExperimentationCausal Inference+4$100–150/hr
🌍 Worldwide
$110
🇺🇸 US
Management Consultant Talent NetworkManagement ConsultingFinancial ModelingMarket AnalysisBusiness Case DevelopmentPresentation DevelopmentStructured Problem-Solving+5$100–150/hr
🌍 Worldwide
Expert Project ManagerGoogle SheetsProject ManagementData AnalysisLLM Training+3$50–60/hr
🌍 Worldwide
Generalist (Must own MacBook)Online ResearchInformation Summarization+1$50–60/hr
🌍 Worldwide
STEM PhDs and Technical Domain ExpertsMedicineStatisticsData ScienceMachine LearningComputer ScienceElectrical Engineering+6$60–120/hr
🌍 US, UK, Australia, New Zealand, Canada
Voice Actor: CX Agent Voice Cloning (African American)Voice ActingAudio RecordingAudio EditingIntonationDictionEmotional Range+4$50–100/hr
🇺🇸 US
AI Safety Red TeamerAI SafetyRed TeamingAdversarial TestingPrompt DesignCybersecurityRLHF+5$70–84/hr
🌍 US and Europe
AI Safety PractitionerAI SafetyRLHFSFTTrust & SafetyContent ModerationEvaluation Rubrics+4$60–70/hr
🌍 US and Europe
Finance Program Coordinator — AI Training Data OperationsFinanceProgram CoordinationTask TrackingQuality AssuranceData Analysis+3$40–60/hr
🇺🇸 US
Marketing SpecialistMarketingBrand StrategyGrowth MarketingPerformance MarketingAI Model EvaluationRubric-Based Scoring+4$60–80/hr
🇺🇸 US
Insurance SpecialistInsuranceUnderwritingClaimsRisk AssessmentAI Model EvaluationRubric Development+4$60–80/hr
🇺🇸 US
Retail SpecialistRetail MerchandisingCategory ManagementRetail OperationsAI Model EvaluationRubric-Based Scoring+4$60–80/hr
🇺🇸 US
Finance SpecialistFinanceInvestment BankingAsset ManagementCorporate FinanceFinancial AdvisoryAI Model Evaluation+5$65–90/hr
🇺🇸 US
AI Rater Guidelines Writer (Linguist / Instructional Designer)LinguisticsInstructional DesignTechnical WritingGenAI/RLHFCross-Domain Knowledge+4$45–65/hr
🇺🇸 US
Music Production Expert - RussianMusic ProductionAudio EngineeringMixingCritical ListeningRussianEnglish+5$35–49/hr
🌍 Worldwide
Voice Actor: CX Agent Voice Cloning (Southern USA)Voice ActingAudio RecordingAudio EditingSouthern American English AccentPronunciationDiction+4$50–100/hr
🇺🇸 US
Voice Actor: CX Agent Voice Cloning (Spanish - Peru)Voice ActingVoice RecordingPeruvian SpanishAudacityAdobe AuditionReaper+6$50–100/hr
🇵🇪 Peru
Voice Actor: CX Agent Voice Cloning (Standard French)FrenchVoice RecordingAudio Editing ToolsText-to-SpeechDictionIntonation+4$50–100/hr
🌍 Worldwide
Personalized Life Assistant ExpertChatGPTClaudeGeminiPerplexityCursorWindsurf+4$50–200/hr
🇺🇸 US
AI Safety Experts — English & TamilAdversarial MLPrompt InjectionRLHF/DPOPenetration TestingCybersecurityConversational AI Testing+6$16–22/hr
🌍 Worldwide
AI Safety Experts — English & TeluguRed TeamingJailbreaksPrompt InjectionData AnnotationConversational AIBias Exploitation+5$16–22/hr
🌍 Worldwide
AI Safety Experts — English & MalayalamAdversarial Machine LearningPrompt InjectionRLHFCybersecurityPenetration TestingConversational AI+7$16–22/hr
🌍 Worldwide
Audio Engineer (Speech / TTS Audio Specialist) – FrenchAudio EditingiZotope RXPro ToolsSpeech Quality AssuranceNoise ReductionTTS Systems+5$50/hr
🌍 Worldwide
Voice Actor: CX Agent Voice Cloning (German)Voice ActingAudio RecordingScript ReadingIntonationDictionEmotional Range+4$50–100/hr
🇩🇪 Germany
Voice Actor: CX Agent Voice Cloning - Northern UKVoice ActingNorthern English AccentAudio RecordingMicrophone SetupIntonation and DictionEmotional Range+6$50–100/hr
🇬🇧 UK
Voice Actor: CX Agent Voice Cloning (Spanish - Peninsular)Voice ActingCastilian SpanishAudio Recording SetupAudio Editing ToolsIntonation and Diction+4$50–100/hr
🇪🇸 Spain
No jobs match these filters. Try a different search or clear the filters.
Open jobs by category
STEM84 open jobs
Coding58 open jobs
Generalist34 open jobs
Medical25 open jobs
Finance22 open jobs
Languages19 open jobs
Creative17 open jobs
Voice & Video15 open jobs
Legal7 open jobs
Hourly pay of open jobs
- Under $2517 open jobs
- $25–5017 open jobs
- $50–7575 open jobs
- $75–10077 open jobs
- $100–15038 open jobs
- $150–20015 open jobs
- $200 or more7 open jobs
Frequently Asked Questions about Mercor
How much does Mercor pay?
Mercor has 281 open jobs on this site. The median pay is $76/hr, and most jobs pay $30–180/hr. Each job page shows its own rate.
How does Mercor pay workers?
Mercor pays every Wednesday for the work week before, in USD. It picks Stripe or Wise from your country. A standard Stripe transfer is free and takes 2 to 3 business days, and your first payout has a 7-day hold. Mercor does not deduct taxes.
How do I get hired at Mercor?
1. Create an account and upload your resume. 2. Answer a short written or multiple-choice assessment. 3. Do a 20-minute AI video interview on a desktop computer. You can retake it up to 3 times. 4. After an offer, verify your ID and pass a background check, which takes 1 to 2 weeks.
Is Mercor legit?
Yes. Mercor is a San Francisco company founded in 2023. It raised $350M at a $10B valuation in 2025, and AI labs such as OpenAI and Anthropic use it. It pays every week through Stripe or Wise, and it has 4.5 of 5 on Trustpilot from over 1,000 reviews. In March 2026 Mercor reported a cyberattack, and some contractors filed lawsuits about it.
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.