AI Response Evaluator / LLM Data Annotator – US Only

Posted 2 days ago

Only freelancers located in the U.S. may apply.U.S. located freelancers only

Summary

We’re looking for US-based freelancers to support ongoing AI training and evaluation projects. The work primarily involves reviewing AI-generated responses, comparing answer quality, and providing clear feedback that helps improve AI models. What you’ll do Review and compare AI-generated responses Evaluate responses for accuracy, relevance, reasoning, and overall quality Select the better response based on project guidelines Write short, clear explanations for your decisions Identify factual, logical, or instruction-following issues Follow detailed project-specific evaluation criteria Requirements Currently based in the United States with valid US work authorization Strong written English and reading comprehension Good attention to detail Able to follow detailed instructions consistently Comfortable working independently with online tools Preferred, but not required Previous experience with Outlier, Handshake, DataAnnotation, Scale AI, or similar AI training platforms Experience with AI response evaluation, data annotation, QA, or content review Software development or other technical background Bachelor’s degree Previous AI training experience is helpful, but not required. Candidates who can think critically, follow instructions carefully, and explain their reasoning clearly are encouraged to apply. Some projects may require a short AI-based interview, assessment, or qualification task before work begins. When applying, please briefly tell us about your background and any relevant experience with AI training, LLM evaluation, Outlier, data annotation, quality review, or technical work.

  • More than 30 hrs/week
    Hourly
  • 3-6 months
    Duration
  • Entry level
    Experience Level
  • $15.00

    -

    $36.00

    Hourly
  • Remote Job
  • Ongoing project
    Project Type
Skills and Expertise
Mandatory skills
Data Analysis
Writing
English
Activity on this job
  • Proposals:50+
  • Last viewed by client:3 hours ago
  • Interviewing:
    33
  • Invites sent:
    0
  • Unanswered invites:
    0
About the client
Member since Jul 27, 2026
  • USA
    Hawthorne12:20 PM
  • $71 total spent
    1 hire, 0 active
  • 5 hours

Explore similar jobs on Upwork

Data Labeling
Data Annotation
Labelbox
LabelImg
SuperAnnotate
Roboflow
Data Analysis
Data Analytics & Visualization Software
Data Analysis Consultation
Video Production
Videography
Brazilian English Accent
Vendor Management

How it works

  • Post a job icon
    Create your free profile
    Highlight your skills and experience, show your portfolio, and set your ideal pay rate.
  • Talent comes to you icon
    Work the way you want
    Apply for jobs, create easy-to-by projects, or access exclusive opportunities that come to you.
  • Payment simplified icon
    Get paid securely
    From contract to payment, we help you work safely and get paid securely.
Want to get started? Create a profile

About Upwork

  • Rating is 4.9 out of 5.
    4.9/5
    (Average rating of clients by professionals)
  • G2 2021
    #1 freelance platform
  • 49,000+
    Signed contract every week
  • $2.3B
    Freelancers earned on Upwork in 2020

Find the best freelance jobs

Growing your career is as easy as creating a free profile and finding work like this that fits your skills.

Trusted by

  • Microsoft Logo
  • Airbnb Logo
  • Bissell Logo
  • GoDaddy Logo