ML / AI PhD — Earn $150/hr Training AI Models

Your ML expertise shapes how frontier AI models think — up to $150/hr Earn up to $150/hr training AI as an ML/AI PhD on Outlier. Evaluate model outputs, craft domain questions. Remote, flexible. ML, NLP, CV, or AI research PhD preferred. ML / AI PhD — Earn $150/hr Training AI Models | Outlier AI Apply Now Powered by Scale AI Evaluate AI on the research problems that actually challenge it — NLP, computer vision, reinforcement learning, and more. Remote, no deadlines Remote - US, UK, CA & 5 more Up to $150 USD/hr Shape How Frontier AI Reasons About Machine Learning LOCATION PAY RATE Up to $150/hr Arabic Proficiency Required PROJECT STATUS Actively hiring Your evaluations set the benchmark for how leading models reason about machine learning. Earn Up to $150/hr — Plus Additional Incentives Rates vary based on expertise and project requirements. Paid weekly via PayPal and AirTM. Work flexibly, anytime — no minimum hours No shifts, no manager, no minimums — just flexible earning that fits around your career. Overview Outlier helps the world's most innovative companies improve their AI models by providing human feedback. Are you an experienced Machine Learning / AI Expert who would like to lend your expertise to train AI models? Key Responsibilites You may contribute your expertise by: Assessing the factuality and relevance of domain-specific text produced by AI models. Crafting and answering questions related to Machine Learning and AI. Evaluating and ranking domain-specific responses generated by AI models. Common Tasks Write a prompt Write simple prompts that will act as a starting point for AI models Edit Preview Correct AI-models chain of thought Review, analyze, and rank AI-models chains of thought for correctness and approach Step 1 Response Step 2 Response Improve Approve Step 3 Response Ideal Qualifications A PhD in Machine Learning, Artificial Intelligence, or an adjacent field (e.g., Computer Science with an ML focus, Statistics, Applied Mathematics, Computational Neuroscience, Natural Language Processing, Computer Vision, Reinforcement Learning, Data Science). Experience working as an ML engineer, AI researcher, applied scientist, or in a comparable highly technical/analytical role. Ability to write clearly and precisely about Machine Learning and AI concepts in fluent English. Currently accepting applicants from: Argentina Australia Canada Mexico New Zealand Puerto Rico United Kingdom United States Why Join Outlier Earn Up to $150 USD/hr - Plus additional incentives On average, contributors earn an additional 7.5% through Missions — Outlier's version of surge pricing. The top quartile boosts their earnings by an average of 11%. ** Work flexibly from anywhere, anytime - no minimum hours Free access to leading LLMs — worth $200+/month Hear from other experts Great for PhDs to earn extra income. I joined Outlier a few month ago and have been active there in the last two months. It is a great place for a side job, and it is possible to earn upward of 1500$ per week if you are assigned to good projects. I especially recommend it to PhD students and graduates who are looking for some extra income. What I like most about Outlier.ai? I can work whenever I want, late in the evening or early in the morning. When a project is done I automatically receive other projects when available. Also if you show high quality you can move up the ladder from contributor, reviewer, quality control too.... Quality is appreciated and you can earn bonuses regularly depending on the project you are in. Steven T. Netherlands I view Outlier as a great opportunity for contributors to work flexibly, improve their skills, and earn more money at their own pace. Working with other contributors on Outlier makes the experience even more engaging, offering a perfect mix of collaborating and earning. Vaibhav P. India Code Expert As an engineer, I often use Al models to get the right answers, but this experience is the opposite: I need to make the models generate wrong answers. It is strange, exciting, and unforgettable. Cuong N. Vietnam The result is fewer tasks returning to the queue for all contributors, higher-quality tasks being completed correctly on the first attempt, and happier contributors thanks to easy access to high-touch, technical support channels. Umair K. Application and Onboarding Process Create an account on Outlier Upload your resume and tell us about your background Upload your valid ID and add your phone number Start earning by completing tasks Frequently Asked Questions (FAQs) What is Outlier? How is it related to Scale AI? Will I be an Outlier employee? What do I need to sign up for this opportunity? Who else will be a part of the program? What's the expected time commitment for participants? When and how will I be paid? Who do I contact with questions as I onboard? How can I get support? Have more questions? View more FAQs here ** Rates vary based on expertise, skills assessment, location, project need, and other factors. For example, higher rates may be offered to PhDs. For non-core work, such as during initial project onboarding or project overtime phases, lower rates apply. Additional incentives data is based on payments made in the past six months and is updated quarterly. Certain projects offer incentive payments. Please review the payment terms for each project. PLEASE NOTE: We collect, retain and use personal data for our professional business purposes, including notifying you of opportunities that may be of interest and sharing with our affiliates. We limit the personal data we collect to that which we believe is appropriate and necessary to manage applicants’ needs, provide our services, and comply with applicable laws. Any information we collect in connection with your application will be treated in accordance with the Outlier Privacy Policy and our internal policies and programs designed to protect personal data. This is a 1099 contract opportunity on the Outlier.ai platform. Because this is a freelance opportunity, we do not offer internships, sponsorship, or employment. You must be authorized to work in your country of residence. If you are an international student, you may be able to sign up for Outlier if you are on a visa. You should contact your tax and/or immigration advisor with specific questions regarding your circumstances. Ready to use your brilliance to outsmart AI? in collaboration with Scale AI © 2026 Outlier. All rights reserved.