Teaching AI to write better code, diagnose patients, and reason through complex law requires a global network. Today, thousands of professionals are doing this work on their own hours, across 100+ countries. That diversity of experience is non-negotiable. A nurse catches a subtle hallucination. A lawyer spots the single logical step a model skipped when reasoning through a contract. As AI moves into high-stakes fields, the critical bottleneck is human: finding the people who know when a model is wrong and can show it why. This is the foundation of Outlier.
About us
Owned by Scale AI (invested in by Amazon and Meta), Outlier is the world's largest platform that connect real-world experts and grads with AI training projects in Law, Computer Science, Web Development, Math, Science, Languages, and more. Today, over 100,000 Outlier experts work and earn from around the world, working from home, on flexible schedules. That's why professors, PhD candidates, moms, dads, college students and new grads work on Outlier. These experts and grads help improve the accuracy of AI used by millions of people by writing specific questions, correcting errors in answers, and giving feedback. At Outlier, your skills help shape how AI learns. We pay for your work, support your growth, and give you the chance to make AI smarter for everyone. No AI experience is required to apply for Outlier, but strong experience in your field is a must. Want to play a part in this exciting moment for AI? Explore potential work opportunities and apply at outlier.ai.
- Website
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https://outlier.ai/
External link for Outlier
- Industry
- Technology, Information and Internet
- Company size
- 10,001+ employees
- Headquarters
- San Francisco
- Type
- Privately Held
- Founded
- 2023
- Specialties
- AI, Machine Learning, Flexible Work, AI Training, LLM Trainer, Work From Home, and Remote Work
Locations
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Primary
Get directions
San Francisco, US
Employees at Outlier
Updates
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Doctors are catching breast cancer earlier. Health workers in lower-income countries are using AI tools in their own languages. Early-warning systems are flagging food shortages before they hit. A recent UN report pulled these together as a snapshot of what AI is already doing for people right now. None of it would hold up without people who can tell a good answer from a plausible one. Human experts shaped every one of those systems, checking whether the model got it right and deciding what "good" even means in a language or a diagnosis it had never seen. That read, the ability to separate confident from correct, is the quiet skill underneath all of it. It's the same judgment Outlier's contributors bring to every model response they evaluate.
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The contributors who become most valuable to AI training aren't necessarily the ones who simply know the most. They are the ones who can see what is missing. Right now, there is a distinct difference between being a subject matter expert and being a data architect in AI development: Subject matter experts are crucial for quality control. They can look at a single model output and judge whether that specific answer holds up. Data architects operate one level higher. Instead of just grading the answers in front of them, they map the entire problem space. They ask: ↳ Which questions haven't been posed yet? ↳ Where does our coverage run thin? ↳ Which edge cases has the model never been shown? This specific shift, from evaluating individual outputs to mapping the broader problem space, is what separates strong contributors from indispensable ones. If you are currently evaluating AI models and want to make that leap, Outlier’s newest course was built around exactly this transition. Check out "From Expert to Data Architect" here: https://lnkd.in/gH5hpbCG
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AI can get you ready faster than ever. It still can't do the reps for you. Learning a hard skill follows a familiar shape: study the examples, get feedback, run it in your head. AI compresses all of that. It can explain, model, correct, and rehearse with you on demand. The prep has never been quicker. But prep was never the hard part. The skill arrives when you stop reviewing and start doing the thing live, when your hands are on it and there's no recording to pause. No tool closes that gap. It only gets you to the edge of it sooner. The people who get the most out of AI seem to know this. They use it to reach the starting line faster, then put in the reps that were always going to be theirs to do.
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A rubric will turn "was this a good answer?" into a checklist of yes/no criteria that any grader can score the same way. Our contributors have been building them across medical, legal, and technical domains, and the skill has turned out to be more learnable than expected. Better rubrics → better-trained models → better outputs. https://lnkd.in/gnY-py9e
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Reviewing someone else's AI output will teach you more than producing your own ever did. On Outlier, reviewers evaluate AI-generated responses against a rubric: checking citations against sources, testing whether the logic holds, running any code to see if it breaks. You're judging someone else's answer against a standard, and that requires a completely different cognitive mode from contributing. Most reviewers have found that after a few weeks, their own contributing got sharper. Seeing hundreds of examples of what "good" looks like across dozens of projects will rewire how you approach your own tasks. We've built a free course on this for Outlier contributors: Reviewing 101 on OutlierEDU. https://lnkd.in/gJHiHyir
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Most teams evaluating AI agents are still grading them like chatbots. A chatbot gives you information. An agent takes action. The evaluation has to match. Our team published a breakdown of what good agent evaluation looks like. Core idea: score the full trajectory from goal to completion, not individual answers. System prompt adherence matters more than output quality on any single step. An agent that ignores its instructions but gets lucky isn't reliable. Give the agent less to work with and see whether it asks clarifying questions or guesses. That tells you more about reasoning quality than a polished prompt ever will. Evaluate agents the way a senior engineer reviews a junior's pull request. Not whether the output compiles, but whether the decisions were sound and problems were handled with skill, not luck. https://lnkd.in/gmMpxyiU
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Compare these two prompts: "List my lease exit options" vs. "I'm halfway through a car lease and want out early. How do I weigh the penalty against buying and reselling, or waiting it out?" The second gets a more useful answer because the context tells the model what a good answer needs to do. A few things that tend to help: Share the full situation. The more context you give (what you're dealing with, what you've already tried, what you're deciding between), the better the output. Skip format instructions unless they matter. If you need a numbered list, say so. Otherwise, leave the format open. More tips here: https://lnkd.in/gN9sAnMy
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Want to learn Openclaw but don't know where to start? Join our free OpenClaw Agent Masterclass tomorrow at 10AM ET. We'll cover the full setup end to end. A team member will play the new user throughout, so the pace will be accessible for a variety of experience levels. All the tools are free. If you've been wanting to get an Openclaw agent running but haven't made time, this is a great way to jump in. Register here!→ https://lnkd.in/geu8tZ89
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Outlier contributors have free access to Playground, a space to use premier AI models for anything personal: side projects, research, or just messing around with text and voice. If you haven't tried it yet, it's worth checking out. Access is included with your account, no separate subscription needed. Check it out at playground.outlier.ai