Outlier AI
An AI training crowdsourcing platform for freelancers connects experts in fields such as programming, mathematics, and languages with AI companies, providing tasks like writing difficult questions and formulating scoring criteria. The company says it has paid out over 500 million US dollars in total.
Updated: 2026-10-30
What is Outlier AI?
Outlier AI is a platform that allows domain experts to participate in AI model training as freelancers, and the official positions it as a community for "building the next generation of AI with expert human input". Users get paid by completing tasks such as annotation, scoring, and writing prompts. The official claims that no AI experience is required to get started, and it focuses on a remote and flexible model of "working anytime, anywhere". Different from pure annotation platforms, it places greater emphasis on improving model quality by leveraging the real judgments of subject matter experts.
Who is it for?
- Current master's and doctoral students as well as university researchers who wish to earn extra income and gain practical experience using their professional knowledge.
- Professionals in programming, mathematics, language and other fields who want to use their spare time to take part in AI training as part-time workers.
- Job seekers who want to understand the AI data annotation and evaluation process and prepare for a career change into the AI industry.
- Freelancers with a full-time main job who want to use their spare time to take remote tasks and supplement their income.
- People who are willing to turn their professional judgment into training data and are interested in improving the quality of AI.
Key features
6Write challenging prompts
Design high-difficulty question-answer pairs within your professional field; the official states that such difficult questions can help improve the accuracy of AI models.
Develop scoring criteria
Establish scoring rubrics for model responses, unify the quality evaluation standards, and use them as training preference data.
Sort and score responses
Sort and score multiple model outputs for model alignment and evaluation purposes.
Cover tasks across multiple fields
The platform states that it relies on subject matter experts in programming, STEM, languages, and other disciplines to improve AI models, with the above three categories being the main types of common tasks.
Global Remote Job Access
The official platform states that over 900,000 master's, doctoral graduates and postgraduates have participated, covering 50 countries, and users can work freely according to their own time zones.
Beginner-friendly process
The official website provides a "4-step start" guide, claiming that you can take on suitable tasks after review without an AI background.
How to use Outlier AI
- 1First, go through the official website's "4 Steps to Get Started" process to complete registration and qualification review, then take on tasks that match your academic background.
- 2For scoring tasks, keep the criteria consistent by referring to the official Rubrics; submissions that fail to meet the quality standards will be returned during quality inspection.
- 3Remuneration, settlement cycles and taxes are subject to the official rules; please check the instructions for the withdrawal policy on the official website of your region.
- 4Official rules and available tasks are subject to change with project updates; double-check the current requirements and available positions before formally committing.
- 5Treat the tasks as side jobs, arrange your working hours reasonably, and avoid affecting your main job or studies.
Traffic & popularity
Data month Sep 2026
Outlier AI receives about 16.3M visits per month and ranks #2,982 worldwide.
Monthly visits
12 monthsTraffic sources
- Direct58.6%
- Search18.5%
- Mail8.4%
- Social7.1%
- Referrals4.6%
- Other2.7%
Top countries
- United States19.5%
- India13.6%
- United Kingdom7.5%
- Brazil6.5%
- Indonesia5.1%
Estimated from third-party traffic data.
