What the stages look like

The stages differ by platform, but a pattern repeats.

  • Outlier: its FAQ says onboarding typically takes 30 to 90 minutes and includes skill screenings. The stages are platform onboarding, project qualification (which includes assessment tasks) and then tasking. Outlier calls its screening selective and reviews your resume against the minimum requirements for each domain.
  • micro1: an AI interview comes first. See the micro1 AI interview guide and what happens after the interview.
  • DataAnnotation: you apply on its site, take an assessment and wait to be given projects. Its own pages do not describe the format.

A test is often not the last step. Project-level assessments can follow, so passing once does not mean you stay in. See why you may get no tasks.

What the assessment checks

No platform lists its grading criteria. Third-party guides, which describe their own experience, agree on this:

  • Reading comprehension and grammar. Short written tasks in clear, correct language.
  • Rubric application. You get a set of rules and have to score responses the way the rules say, not the way you would.
  • Comparing model answers. Two or more AI responses to one prompt, and you choose the better one and say why.
  • Writing a strong answer. Sometimes you write the ideal response yourself.
  • Consistency. The same standard on the last task as on the first.

The work itself looks the same. The guide to what AI training work is shows a typical task from start to finish.

Why people fail

Official reasons are not published. The most common causes that guides and community posts name are:

  1. Misreading the rubric. The score you would give is not the score the rule gives.
  2. Weak justification. "Answer B is better" is not a reason. "Answer A cites the wrong rule and misses the deadline, B covers both" is.
  3. Running out of time. Some tests are timed, so rushing the last tasks costs points.
  4. Using AI to write the answers. Several guides and community posts say platforms and reviewers treat this as disqualifying. Checking a fact with a search engine is a different thing.

Many of the guides that cover this sell paid courses, cheat sheets or coaching that promises a pass. Their pass-rate claims cannot be checked, so count them as opinion.

How to prepare

  1. Read the platform's own pages first: its FAQ, its help centre and its onboarding emails.
  2. Pick a quiet hour. Some starter tests take 30 to 60 minutes, and some platforms allow one attempt per account.
  3. Have your ID, resume and a stable connection ready, because identity checks are common.
  4. Practise the habit, not the answers: take any two AI replies to the same question, pick the better one and write two sentences on why.
  5. Keep your field knowledge current. Specialist projects check what you know about your field, not general trivia.

During the test

  1. Read the instructions to the end before you answer anything.
  2. Apply the guideline as written, even when you disagree with it.
  3. Check each claim yourself. Confident but wrong answers are exactly what the tasks are built to catch.
  4. Write the reason as you go, not at the end.
  5. Keep an eye on the clock, and leave a minute to reread.

If you fail or hear nothing

  • The community wiki for r/outlier_ai says a second chance may come by email, but not by asking for one.
  • Do not pay anyone to get you accepted. The "get you accepted" gigs on freelance marketplaces say themselves that they cannot guarantee it, because only the platform decides.
  • Do not use a VPN to reach a platform that is closed in your country. Outlier's community FAQ says this is detected and leads to a ban.
  • Apply to more than one platform. See the platforms for beginners.
Browse 2,900 open roles

Platforms with a public job list show each role's requirements before you apply. The list changes daily: 2,900 roles were open on 26 October 2026.

Common questions

Can I retake an assessment?

It depends on the platform. Some guides report one attempt per account. Check the platform's help pages, and do not create a second account to try again.

How long does an assessment take?

Outlier says onboarding takes 30 to 90 minutes. Third-party guides give 30 to 60 minutes for some starter tests. Project assessments add more time.

Do I need a degree?

Outlier says you need at least an associate degree, and some projects need a higher one. Other platforms set their own requirements on each role.

Can I use AI to help with the answers?

Do not. Guides and community posts report that platforms treat AI-written answers as a reason to reject you, and the point of the task is your own judgement.

Sources

Practice questions for each kind of role:

New AI training roles by email, once a week. No password.

Get alertsAll roles