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OpenTrain

Business Data Expert for LLM Evaluation

As a Business Data Expert for LLM Evaluation, you will help improve large language models used in business settings. You will use your experience in data analysis, data science, database architecture, or database administration to create prompts, assess model responses, and…

Field
Machine learning
Where
United States
Commitment
part time
Hours
up to 20/week
Posted
6 days ago

Pay data for your profession: Data scientist 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 $105/hr, this role pays more than 69% of the 72 open machine learning roles with a listed pay range, above the median of $90.

Among platforms with 10 or more priced machine learning roles, Mercor has the highest median ($108/hr across 10 roles) and Alignerr the lowest ($63/hr across 13).

OpenTrain AI roles that closed since late October stayed listed a median of 31 days (122 roles). OpenTrain AI posted this one 6 days ago.

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

Rate

$105/hr

Per week, before tax

$2,100

Per month, if the work is steady

$9,100

Tax
Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $2,301 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 machine learning roles on each platform

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

PlatformOpenMedianBest-paid open role
Mercor10$108/hrMachine Learning Engineer Talent Network$70-250/hr
micro112$90/hrApplied Scientist$245-280/hr
OpenTrain AIthis role41$90/hrBioinformatics Machine Learning Expert$175/hr
Alignerr13$63/hrSoftware Engineer - Machine Learning$90-120/hr
Handshake AI3up to $75/hr3 pricedData ScientistUp to $120/hr

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

All 79 open machine learning roles →

The full listing

As posted on OpenTrain AI. See the original

The work

As a Business Data Expert for LLM Evaluation, you will help improve large language models used in business settings. You will use your experience in data analysis, data science, database architecture, or database administration to create prompts, assess model responses, and research professional topics.

The work also covers business communication, strategy, corporate storytelling, and clear explanations of complex ideas. You will collaborate with multidisciplinary AI research teams while working independently and asynchronously.

  • Create prompts based on specialized business and professional situations.
  • Evaluate LLM responses for quality, clarity, usefulness, and fit with the task.
  • Research topics with AI assistance and use your professional judgment to assess the results.
  • Turn complex ideas into persuasive presentations for executive or board-level audiences.
  • Use data-driven storytelling in business cases, strategic communication, and related content.

What it pays and takes

This is remote, part-time contract work with flexible hours. Projects run year-round across different domains.

  • Pay: Up to $105 per hour.
  • Time: 20+ hours per week.
  • Location: Open to candidates in the United States.
  • Language: Fluent in English.
  • Experience: At least four years as a data scientist, data analyst, database architect, or database administrator.
  • Communication: Explain complex ideas clearly and persuasively to executive or board-level audiences.
  • Collaboration: Work across multidisciplinary teams and use data-driven storytelling.
  • LLM evaluation: Use strong judgment when writing domain-specific prompts and reviewing model responses.
  • Work style: Work independently and asynchronously with AI research teams.

How it works

Apply on OpenTrain with your resume, then complete the application on the hiring site.

About AI training work

AI training is the human work behind systems that write, analyze, and answer questions. Contributors create examples, write prompts, and review model responses so AI systems become more useful and reliable; specialized experience is valuable because it helps people judge complex work accurately.

OpenTrain is a platform where people find AI training and data-labeling projects, build a profile, and apply in minutes. Creating an OpenTrain account is free.

From applying to your first payment on OpenTrain AI

  1. 1

    Create a profile

    Create a free OpenTrain profile with your domains, languages and hourly rate.

  2. 2

    Apply

    Apply to the listing. Some listings hire through OpenTrain; others send you to the hiring platform.

  3. 3

    Funded milestones

    The client funds each milestone before work starts.

  4. 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 $105/hr since Nov 5, 2026 with no change.

Across OpenTrain AI's machine learning roles, the median listed pay was $90/hr on Nov 1, 2026 (25 roles) and is $90/hr as of Nov 11, 2026 (37 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 machine learning roles

All 79 machine learning roles →