Guides/Guide
Guide
Best sites for data annotation and AI evaluation
Data annotation work can mean labeling, categorizing, validating, or structuring data. AI evaluation more often judges model outputs, while expert review applies professional or language knowledge.
Short answer
For data annotation jobs, check whether the current listing explicitly describes labeling or classification work. This guide shows current roles only when reviewed listing evidence supports that task; response evaluation and expert review remain separate work types.
Current data annotation and classification roles
Each role shown here has reviewed listing evidence for labeling, categorizing, validating, or structuring data. Check the role's actual task, requirements, location rules, screening, and project availability before applying.
- SME CareersLanguage and bilingualListing checked Aug 31, 2026 The public role and application path were checked. Details can still change; this is not an endorsement or guarantee.
Korean Document Annotation Expert
The public role asks for korean language: Native or fluent proficiency in Korean, with strong ability to review Korean text for accuracy, character-level correctness, spacing,…
Pay
Up to $40/hr
Advertised ceiling
Location
Remote — South Korea
Project-basedLanguage: KoreanView roleMore actions
- SME CareersGeneral professionalListing checked Aug 12, 2026 The public role and application path were checked. Details can still change; this is not an endorsement or guarantee.
Document Annotation Specialist (PDF) - Bangladesh
Public responsibilities include annotate PDF documents by drawing precise bounding boxes around entities such as text, tables, figures, captions, headers, and key-value structures.
Pay
Up to $3/hr
Advertised ceiling
Location
Remote — Bangladesh
Project-basedView roleMore actions
- SME CareersSoftware engineeringListing checked Aug 12, 2026 The public role and application path were checked. Details can still change; this is not an endorsement or guarantee.
Python Expert
The public role asks for 2–5 years of relevant professional experience in Python development, code review, debugging, or technical problem solving.
Pay
Up to $50/hr
Advertised ceiling
Location
Remote — Canada, China, The United Kingdom, Hong Kong, Singapore, Taiwan, The United States
U.S., Canada mentionedProject-basedView roleMore actions
Choose the work type before choosing a site
Annotation labels, categorizes, validates, or structures source data; AI evaluation judges model outputs, accuracy, safety, usefulness, or reasoning; specialist review adds professional or language expertise. If no exact annotation role is currently available, compare current AI evaluator roles or supported provider pages, then check each listing's screening, eligibility, pay wording, and project availability.
How this page helps
Specialist AI Work explains how tracked opportunities relate to data annotation, AI evaluation, expert review, and AI training without claiming to cover every data-labeling marketplace.
Best for
People deciding whether they want labeling, response review, search/rating work, RLHF, expert review, or professional AI training tasks.
Not best for
People who want a fixed list of always-hiring platforms or a promise that any platform has work today.
What to verify before applying
Verify current official pages, task type, pay shown in the listing, country rules, screening steps, privacy or confidentiality expectations, and whether the role still appears open.
Related reading
Online jobs guide
Return to the online jobs and online work hub for the wider comparison and related pathways.
Start with AI Work Match
Use the quiz to narrow opportunities by background, risk tolerance, and fit.
Browse all opportunities
Filter current reviewed opportunities across Mercor, Handshake, Micro1, Alignerr, and SME Careers.
FAQ
Are data annotation sites and AI evaluation sites the same?
They can overlap, but not always. Some projects label data, some judge model outputs, and some combine both. Read the current listing before applying.