Data Annotation Jobs — Compare Platforms & Requirements

Compare data annotation and AI training platforms. Check application requirements, advertised pay, location restrictions and company sources before applying. A directory entry or imported job is not confirmation of a current vacancy.

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Mercor

Paid AI training and evaluation for professionals in coding, law, finance, medicine, research, languages and quality assurance. Most countries are supported, but every role has its own location and qualification rules. A role with no location stated defaults to the US, Canada, UK or EU.

Recent public listings showed roughly $12.68–$150/hr. Choose a live role, add your resume, complete its reusable AI interview or assessment, and confirm work authorization.

Official source checked 2026-09-24.

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Micro1

Expert AI training and evaluation. International; country exclusions and role requirements apply.

Varies by opportunity. Skill certification and role-specific screening.

Official source checked 2026-09-24.

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Ethos

AI model training, expert calls and advisory projects for experienced professionals. International applicants aged 18+; identity, sanctions and supported-payment-jurisdiction checks apply.

Project-specific; tracked listings have ranged from about $35–$225/hr. Create an expert profile and complete a conversational voice interview so Ethos can match your precise experience to projects.

Official source checked 2026-09-24.

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Turing

AI evaluation, scientific coding, research, language, medical and creative projects. Location, experience and language requirements differ for every role.

Some linked roles advertise $15–$100/hr or about $30 per approved task; others do not list pay. Browse the curated role list, compare country, commitment and pay, then apply through the role-specific referral link.

Official source checked 2026-09-24.

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Revelo

Code-focused AI training, flexible technical projects and full-time remote software roles. International applicants; matching depends on technical skills, English, experience and each opportunity’s country rules.

Project-specific USD payments; full-time international roles advertise USD salaries. Create a free reusable profile, connect LinkedIn, complete a short async chat or skill test, and review matched opportunities.

Official source checked 2026-09-24.

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Browse the full company directory

  1. Revelo · software eng. (code / dev tasks)
    Revelo is a remote technology talent platform offering two distinct paths: full-time software roles with international companies and flexible AI-training projects for people who can review code and technical model outpu…
    Careers page
  2. Mercor · translation, image, text, audio, legal, finance, maths, agriculture, stem, healthcare, software eng. (code / dev tasks), video
    Mercor is a remote talent platform that recruits professionals to help leading AI labs and enterprises train and evaluate frontier models. Its project marketplace covers software engineering, law, finance, medicine, res…
    Careers page
  3. Micro1 · San Francisco, CA, United States · image, audio, translation, legal, finance, maths, text, video, software eng. (code / dev tasks), healthcare, stem
    micro1 recruits subject-matter experts in engineering, medicine, finance, law, language and other fields for remote AI-training projects. Applicants can apply to a listed opportunity or certify skills for future matchin…
    Careers page
  4. Ethos · Worldwide · text, legal, healthcare, finance, software eng. (code / dev tasks), stem
    Ethos (AskEthos) is an AI expert network that matches experienced professionals, including lawyers, clinicians, finance analysts, engineers and researchers, with paid AI model training and evaluation work, expert calls…
    Careers page
  5. Turing · translation, image, text, software eng. (code / dev tasks), legal, healthcare, finance, agriculture, maths, stem
    Turing is a global remote-work and AI infrastructure platform that recruits software engineers, researchers and domain experts for application engineering and frontier-model training. Current referral opportunities incl…
    Careers page
  6. AISpotters · image, text, healthcare
    Artificial Intelligence, Machine Learning, Data Labeling, Data Collections, Image Annotation, Audio Annotation, Video Annotation
  7. Acgence · stem
    AI Data Collection Services
    Careers page
  8. Alectio · text
    Machine Learning-Driven Data Curation, DataPrepOps platform
  9. Aligned AI · image
    Broad/Unclear specialization
  10. Alignerr · translation, text
    Data labeling, model evaluation, aligning AI models
    Careers page
  11. Anthromind · image, text
    High-quality dataset development for AI model performance, complex data requirements
  12. Appen · translation, image, text, legal, healthcare, finance, agriculture, maths, stem
    Data annotation services for AI and ML models, data collection, evaluation, image, audio, and video annotation
    Careers page
  13. Blomega · translation, image, text, software eng. (code / dev tasks), legal, healthcare, finance, agriculture, maths, stem
    Broad/Unclear specialization
  14. Bright Data · image, text
    Broad/Unclear specialization
    Careers page
  15. CVAT · image
    Image & Video Data Annotation Platform for Computer Vision applications
    Careers page
  16. Centific
    GenAI, data annotation & labeling for AI/ML, multilingual medical annotation, AI data foundry
  17. Centrox AI · text
    Broad/Unclear specialization
  18. Clarifai · image, text
    Automated and AI-assisted data labeling, fully managed data annotation services, high-quality training datasets, various labeling methods, image annotation
  19. Clickworker · translation, image, text
    Data annotation services (image, text, medical data), AI training data, LLM dataset services
    Careers page
  20. CloudFactory · image, text, healthcare, finance, agriculture, stem
    Data annotation services (2D/3D, computer vision, NLP), data curation
  21. Cogito Tech · image, text
    Broad/Unclear specialization
    Careers page
  22. DataQueue · image
    Platform for creating and annotating high-quality training data for AI and ML models
  23. DataSpeckle · image, text
    Custom Machine Learning, Computer Vision, Natural Language Processing solutions, Text, Image, Audio, Video Annotation
  24. Datacurve · translation, image, text, legal, healthcare, finance
    Curated code data for training LLMs, gamified coding data annotation platform
    Careers page
  25. Dataloop · image, text, healthcare
    End-to-end cloud-based annotation platform, integrated labeling services, data annotation for images, video, audio, text, geo-spacial data, LiDAR
  26. Deepchecks · image, text, agriculture
    Automatic and AI-assisted annotations, LLM evaluation, annotated datasets for AI and ML
  27. Defined AI
    Broad/Unclear specialization
    Careers page
  28. DefinedCrowd · translation, image, text, healthcare
    Now Defined.ai (see above)
  29. Encord · translation
    AI-assisted data annotation tool, multimodal support (images, videos, audio), RLHF, computer vision
  30. Enterprise AI Company (Ent.AI) · text
    Broad/Unclear specialization
  31. Figure Eight · translation, image, text
    Broad/Unclear specialization
  32. HelloGov · image, agriculture
    Data labeling for federal government, AI/ML solutions, data modeling
  33. Hive AI · image, text
    Broad/Unclear specialization
  34. Human Signal · image, text, agriculture
    Broad/Unclear specialization
    Careers page
  35. Humans in the Loop · image, text
    Broad/Unclear specialization
    Careers page
  36. HyperKurve
    AI productivity, Machine Learning, Data Labeling, supply chain solutions
  37. Innodata · software eng. (code / dev tasks), legal, healthcare, finance
    Data annotation (text, images, audio, video, sensor data), AI solutions, workflow automation
    Careers page
  38. Invisible Tech · image
    Broad/Unclear specialization
    Careers page
  39. Jericho Systems Corporation · image
    Broad/Unclear specialization
  40. Joinstellar ai · image, text
    Broad/Unclear specialization
    Careers page
  41. Keymakr · image, text
    Image and Video Annotation, Data collection and classification for training convolutional neural networks and deep learning AI, computer vision, autonomous vehicles
  42. LXT · translation, image, text, legal, healthcare, finance
    Data annotation services (audio, image, speech, text, video), custom model fine-tuning, data collection
    Careers page
  43. Label Your Data · image, text
    Broad/Unclear specialization
  44. Labelbox · image, text
    Data labeling platform, medical data annotation, image, video, audio, text annotation
    Careers page
  45. Labeller · image, text, healthcare, agriculture
    Broad/Unclear specialization
  46. LinkedAI · image, healthcare
    Annotation services (image, video), computer vision, data curation for fine-tuning large language models
  47. Lionbridge · translation, image, text
    AI data services, data annotation (text, images, audio), prompt engineering, multilingual training data
  48. Lionbridge AI · translation
    Broad/Unclear specialization
    Careers page
  49. Macgence · image, text
    AI training data services, data annotation, robotics, medical annotation
    Careers page
  50. Mighty AI · image, text
    Broad/Unclear specialization
  51. One forma · translation, image, text
    Broad/Unclear specialization
  52. OpenTrain AI · text, maths, stem
    Broad/Unclear specialization
    Careers page
  53. Peroptyx · text
    Data annotation and model evaluation for machine learning, location-based ML training data
  54. Plainsight · image, text
    Computer vision, annotation & data curation, AI-powered data annotation
  55. Playment · image, text, agriculture
    Data annotation services (image, video, text), AI strategy consulting, SaaS-based platform for computer vision models, automotive data annotation
    Careers page
  56. Realeyes · text, legal
    Broad/Unclear specialization
  57. Reality AI · stem
    Broad/Unclear specialization
  58. RedBrick AI · image, text, agriculture
    Broad/Unclear specialization
  59. Roboflow · image
    Data annotation for computer vision, AI-assisted annotation tools, image annotation (bounding boxes, polygons), supports various annotation formats
  60. Samasource · image, text, healthcare, agriculture, stem
    Data annotation solutions (image, video, 3D point cloud data), Generative AI, computer vision, data automation platform with Human-in-the-Loop (HITL)
    Careers page
  61. SandLogic · text
    ML-assisted data annotation platform (AuVi.io) for text, image, audio, LiDAR, and video data, full-stack Enterprise AI
  62. Sapien · stem
    Data annotation for LLMs, documents, images, text, audio, video, LiDAR, fine-tuning LLM models with human feedback, autonomous driving, education technology
  63. Scale · translation, image, text, software eng. (code / dev tasks), legal, healthcare, finance, agriculture, maths, stem
    Data annotation, collection, & curation for LLMs, generative AI, computer vision, image annotation, semantic segmentation, 3D point cloud annotation, LiDAR and RADAR annotation (especially for self-driving cars)
    Careers page
  64. Segments.ai · text
    Broad/Unclear specialization
    Careers page
  65. SensiML Corp · image, text
    Broad/Unclear specialization
  66. Sepal AI · text
    Broad/Unclear specialization
  67. Snorkel AI · image, text, healthcare, finance, maths, stem
    Broad/Unclear specialization
  68. SuperAnnotate · image, text
    Data annotation platform for image, video, text, AI data workflows, annotation services marketplace
  69. Supervisely · image, text
    Data annotation platform for images, videos, LiDAR, DICOM datasets, AI automation, 3D point cloud labeling, computer vision
  70. Surge AI · image, text
    Broad/Unclear specialization
  71. Telus Digital · translation, image, text, software eng. (code / dev tasks), legal, healthcare, finance, agriculture, maths, stem
    Broad/Unclear specialization
    Careers page
  72. Toloka · image, text
    Broad/Unclear specialization
    Careers page
  73. Trilldata · text
    No information found (website 404)
  74. Unitlab
    Automated data annotation platform for computer vision, AI-assisted auto-labeling tools, image labeling
  75. V7 · image, text
    Broad/Unclear specialization
  76. Volga Partners · text
    Broad/Unclear specialization
  77. Watchful · image, text
    Broad/Unclear specialization
  78. Welocalize · translation, image, text, software eng. (code / dev tasks), legal, healthcare, finance
    Data annotation (image, text, audio, video), transcription, summarization, AI data training, localization
  79. Welodata · image, text, healthcare, finance
    Broad/Unclear specialization
    Careers page
  80. dataannotation.tech · image, text
    Data annotation services for AI and ML projects, training AI chatbots
    Careers page
  81. iMerit · image, text, healthcare, agriculture, stem
    Data annotation and model fine-tuning (image, video, LiDAR, text data), computer vision, geospatial technology
    Careers page
  82. py labelme · image, text
    Broad/Unclear specialization

How to choose data annotation work

Data annotation means adding labels or judgments to data used to build AI. A task might ask you to mark objects in an image, transcribe speech, classify a sentence or compare two chatbot answers. Specialist AI training can involve checking a legal explanation, testing generated code or writing a scientific problem with a worked solution.

General tasks and language work

Start with the task and assessment requirements. Generalist work can emphasize careful reading, reasoning, writing or following labeling instructions. Language projects may require fluency in a specific language; generalist does not mean automatic acceptance.

Compare DataAnnotation.tech, Clickworker and CrowdGen by Appen. Check which projects actually accept applicants in your country.

Professional and specialist work

Use your existing expertise to choose a role. Coding, finance, medicine, law and research projects can require credentials, work samples or a subject assessment. Prior AI employment is not always required, but the underlying expertise still matters.

Compare the featured platforms above. Mercor and micro1 describe assessment-based matching; passing a screening step does not guarantee a project. Revelo also covers remote software careers, so check whether an opportunity is AI training or a software role.

DataAnnotation.tech versus data annotation jobs

DataAnnotation.tech is one platform. “Data annotation jobs” describes a wider category of work offered by many companies. This website is an independent comparison directory, not the DataAnnotation.tech employer or applicant support team. For an existing application, use that platform’s own account and support channels.

Compare the full offer, not just an hourly rate

  1. Country and identity: read the specific role’s location rules and verification requirements. Remote does not mean open worldwide. See our country eligibility guide before applying.
  2. Assessments and schedule: check the required screening, weekly commitment and time-zone overlap. Budget for application time and gaps between assignments.
  3. Payment terms: confirm the currency, hourly versus per-task basis, approval rules, payout schedule and payment methods available where you live. Mercor advertises weekly payments; Clickworker describes payment for approved work and country-dependent payment options. The specific project terms still control.
  4. Current availability: open the platform’s live listing before submitting. An application route or an older imported job does not establish an active vacancy or guaranteed earnings.

Never pay an unofficial recruiter for access to an assessment. Verify the application domain through the company’s own website before sharing identity documents.

How these options are selected

The featured comparison includes platforms with documented contributor or application routes and compares work type, screening, eligibility and advertised terms. Featured placement reflects commercial partnerships and editorial selection; it is not a ranking of applicant pay. The full directory above also includes service providers and software vendors. Those profiles are included for research and are not verified offers of paid tasks.

Guide sources reviewed September 29, 2026: DataAnnotation.tech, Mercor, micro1, Revelo, Clickworker and CrowdGen. Individual platform cards and role lists show their own review dates.