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OpenTrain

AI Evaluation Specialist in Mexico

You will evaluate AI-generated responses and give clear written feedback that helps improve how responses serve Spanish-speaking users. The work is completed remotely and asynchronously on an annotation platform.

Field
Generalist
Where
Mexico
Posted
3 days ago

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 $25/hr, this role pays more than 11% of the 206 open generalist roles with a listed pay range, below the median of $60.

Among platforms with 10 or more priced generalist roles, Alignerr has the highest median ($80/hr across 17 roles) and micro1 the lowest ($50/hr across 54).

OpenTrain AI roles that closed since late October stayed listed a median of 31 days (122 roles). OpenTrain AI posted this one 3 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

$25/hr

Per week, before tax

$375

Per month, if the work is steady

$1,625

Tax
Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $411 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 generalist 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
Alignerr17$80/hrFrontier Data Lead – Client Success & AI Partnerships$85-120/hr
Mercor22$63/hrLuxury Automotive Strategy Expert$300-350/hr
OpenTrain AIthis role115$61/hrContract Manager and Negotiator (English)$150/hr
micro160$50/hrMember of Technical Staff, Enterprise AI$300k-700k/yr
Handshake AI24up to $88/hrIntelligence Expert (Bachelor's, Master's and PhDs) - AI TrainerUp to $200/hr

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

All 238 open generalist roles →

The full listing

As posted on OpenTrain AI. See the original

The work

You will evaluate AI-generated responses and give clear written feedback that helps improve how responses serve Spanish-speaking users. The work is completed remotely and asynchronously on an annotation platform.

  • Compare two AI-generated responses and choose which better meets the user's intended need.
  • Rank responses based on quality, usefulness, and fit for the user.
  • Explain and defend your evaluation decisions with clear reasoning.
  • Write feedback that supports better personalization for Spanish-speaking users.
  • Complete tasks independently at your own pace.

What it pays and takes

This ongoing opportunity can be completed alongside other commitments. There is no set schedule or minimum number of hours.

  • Pay: up to $25 per hour for completed project work.
  • Location: Open to candidates in Mexico.
  • Work arrangement: Remote, project-based, asynchronous, and self-directed.
  • Language: Fluent written and spoken Spanish.
  • English: B2 proficiency or higher for platform content, instructions, and training materials.
  • Education: Bachelor's degree or higher.
  • Skills: Strong written communication, sound judgment, and the ability to explain evaluation decisions clearly.
  • Helpful background: Experience using AI tools and comparing generated responses.
  • You must be able to work independently and remotely.

How it works

Apply on OpenTrain with your resume, then complete the application on the hiring site. OpenTrain is where you find this role and start your application.

About AI training work

AI training is the human work behind systems that generate text and other content. People compare responses, rate quality, and explain what makes an answer useful so AI systems can improve.

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 $25/hr since Nov 10, 2026 with no change.

Across OpenTrain AI's generalist roles, the median listed pay was $40/hr on Nov 1, 2026 (50 roles) and is $61/hr as of Nov 11, 2026 (114 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 generalist roles

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