OpenTrain

Quant STEM Bachelor AI Training Reviewer (English)

You will help improve AI systems by reviewing educational and quantitative content. The work covers school-level and introductory college problems, along with long-form model responses in several subjects.

Field: Finance & accounting
Where: United States, Algeria, Argentina, Austria, Bahrain, Bangladesh +46 more
Commitment: part time
Posted: yesterday

Pay data for your profession: Finance AI trainer jobs

How this pay compares

The title points to rating and reviewing ai output: judging a model's answers or code against guidelines, such as which of two is better or whether one is correct and safe. What each kind of AI training work pays

At $33/hr (the midpoint of $20 to $45), this role pays more than 1% of the 175 open finance & accounting roles with a listed pay range, below the median of $85.

Among platforms with 10 or more priced finance & accounting roles, micro1 has the highest median ($90/hr across 23 roles) and Alignerr the lowest ($73/hr across 35).

OpenTrain AI roles that closed since late October stayed listed a median of 31 days (122 roles). OpenTrain AI posted this one yesterday.

Computed from 2,746 open roles we track across Mercor, micro1, Handshake AI, Alignerr, Appen and OpenTrain AI, refreshed daily. Midpoints of listed ranges; “up to” ceilings are left out of medians.

What you would earn at this rate

Where in the listed range$33/hrHours a week15 hrs

Per week, before tax

$488

Per month, if the work is steady

$2,113

Show in

Tax: Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $534 a month for self-employment tax plus federal income tax at the 12% bracket (25%, before state tax). Outside the US, your own country's rules apply.

Assumes paid hours only; unpaid assessments, onboarding and gaps between projects lower the real figure. Full take-home calculator · Track what you actually earn

Open finance & accounting roles on each platform

The same kind of work, priced on every platform we track, with the best-paid open role on each.

Platform	Open	Median	Best-paid open role
micro1	23	$90/hr	Domain Researcher, Finance$400k-800k/yr
OpenTrain AIthis role	93	$90/hr	Finance Professional$245-280/hr
Mercor	28	$90/hr	Pharma Commercial Forecasting Expert — Launch Curves$130-210/hr
Alignerr	35	$73/hr	Accounting Specialist — Excel Dataset Creation$40-150/hr
Handshake AI	26	up to $83/hr	Investment BankersUp to $175/hr

“Up to” rows list only ceilings, so their median is a maximum, not comparable with the range midpoints above them.

All 205 open finance & accounting roles →

The full listing

As posted on OpenTrain AI. See the original

The work

You will explain your reasoning, identify errors and common misconceptions, and give detailed feedback on how well an AI system handles quantitative material.

Analyze and annotate homework problems in mathematics, physics, chemistry, finance, and economics.
Compare long-form responses for clarity, correctness, and educational value.
Review and edit annotated materials for consistency and accuracy.
Take part in detailed written and verbal discussions about the content and model responses.
Provide quantitative subject-matter feedback to support AI training.

What it pays and takes

This is a remote, part-time contractor role. Prior AI experience is not required, but quantitative subject knowledge is central to the work.

Pay: $20 to $45 per hour.
Work type: Remote contract work on a part-time basis.
Location: Open to candidates in the countries listed for this role.
Language: Fluent written English.
Education: A bachelor's degree or equivalent experience in mathematics, science, engineering, economics, finance, or a related field.
Skills: Strong quantitative analysis and problem-solving, Python proficiency, and familiarity with finance and economics concepts.
Communication: Clear written and verbal communication, careful reading of complex multi-turn conversations, and strong attention to clarity and precision.
Helpful background: Annotation, educational content review, or similar detailed feedback work.

How it works

You apply here in about two minutes and finish on the hiring platform. The next step is a short AI interview (technical roles include a coding challenge). Passing it is how you qualify for paid tasks, so take it soon after you are invited.

The hiring platform's application for this job asks for your resume, your LinkedIn profile, your phone number, your location and answers to 3 screening questions.

About AI training work

AI training work is the human side of building artificial intelligence. Reviewers prepare examples and assess model responses so AI systems can handle real questions more accurately, and subject-matter knowledge helps produce useful, reliable feedback.

From applying to your first payment on OpenTrain AI

1
Create a profile
Create a free OpenTrain profile with your domains, languages and hourly rate.
2
Apply
Apply to the listing. Some listings hire through OpenTrain; others send you to the hiring platform.
3
Funded milestones
The client funds each milestone before work starts.
4
First payment
OpenTrain pays out to your connected payout method when the client approves the milestone. It doesn't publish a fixed payout schedule.

Sources: OpenTrain: AI training careers, OpenTrain docs: invoicing and payouts

Full OpenTrain AI profile: watch-outs and the public record →

Pay history

OpenTrain AI has listed this role at $20-45/hr since Nov 10, 2026 with no change.

Across OpenTrain AI's finance & accounting roles, the median listed pay was $90/hr on Nov 1, 2026 (37 roles) and is $90/hr as of Nov 11, 2026 (92 roles).

What workers report about OpenTrain AI

Anonymous reports from people who applied or worked there: whether they got work, what they were paid and how fast.

Other finance & accounting roles

All 205 finance & accounting roles →