Mindrift
618 open roles · median $100/hr
Toloka’s freelance platform for AI tutors, writers and domain experts: part-time, project-based work.
Invisible
555 open roles · median $65/hr
Invisible Technologies’ expert network, recruiting through its Meridial brand: freelance AI trainer projects across languages and professions.
Alignerr
483 open roles · median $80/hr
Labelbox’s expert network: design and review AI training tasks in your field, from transcription to PhD-level science.
Welo Data
340 open roles · median $22/hr
Welocalize’s AI data division: rating, annotation, validation and data collection projects, many tied to a language and country.
Weekday
312 open roles · median $110/hr
Recruiting platform that posts AI training roles on behalf of AI labs and data vendors it doesn’t name.
Mercor
286 open roles · median $100/hr
Expert network that hires professionals (doctors, lawyers, engineers, PhDs and more) for AI lab projects. Applications include a short AI interview.
SuperAnnotate
259 open roles · median $50/hr
SuperAnnotate’s expert network, SME Careers: hourly contract work writing and reviewing AI training data across many professional fields.
micro1
232 open roles · median $100/hr
AI-led recruiting network: candidates interview with micro1’s AI interviewer, then take on expert data work at published hourly rates.
Handshake AI
229 open roles · median $80/hr
Handshake’s AI fellowship: students, graduates and PhDs evaluate and improve AI models on flexible part-time projects (US, India and Canada).
Anyone AI
194 open roles · median $40/hr
AI training company hiring STEM, software and finance experts for hourly AI lab contracts, with many roles open across Latin America and Europe.
Prolific
146 open roles · median $26/hr
Prolific’s Expert Network: AI training work for verified domain experts and fluent speakers, alongside its research-study platform.
Pasiflora AI
132 open roles · median $15/hr
Expert talent pools for AI data projects. Most postings are ongoing pools you join, rather than single openings.
DataAnnotation
112 open roles · median $125/hr
Surge AI’s contributor platform: self-scheduled AI evaluation and writing work for generalists and specialists.
Rise Data Labs
106 open roles · median $45/hr
Expert data company running hourly AI training projects across professional domains.
Sigma AI
97 open roles
Freelance linguistic and audio-collection projects for AI, usually tied to a specific language and country.
Appen / CrowdGen
62 open roles · median $35/hr
Appen’s CrowdGen community: voice, language and data annotation projects.
Volga Partners
61 open roles · median $19/hr
On-call subject-matter experts for AI evaluation and annotation review projects.
Claru
60 open roles · median $15/hr
Reka AI’s contributor brand: video capture, gaming and evaluation tasks, paid hourly.
Braintrust
48 open roles · median $23/hr
Talent network where companies post gigs. Its AI-training section lists work for Turing, DATAmundi, iMerit and others.
Babel Audio
43 open roles · median $110/hr
Paid voice work for AI: recorded conversations, voice acting and transcription in many languages.
RemoExperts
37 open roles · median $120/hr
RemoExperts (rex.zone): expert AI trainer roles in software, finance, medicine and other fields.
TransPerfect DataForce
35 open roles · median $42/hr
TransPerfect’s DataForce community: paid data collection, evaluation and transcription projects, some on-site.
OneForma
25 open roles · median $150/hr
Centific’s crowd platform: translation, transcription, judging and data collection projects.
Sovrano AI
20 open roles · median $125/hr
European AI data company hiring experts as AI trainers and evaluators, paid in euros or dollars.
xAI
20 open roles · median $35/hr
xAI hires AI tutors to train Grok, across languages and specialist domains.
Scale AI
18 open roles · median $300/hr
Scale AI’s Human Frontier Collective fellowships for top experts, plus other contributor roles.
Vetto
18 open roles · median $45/hr
Platform connecting professionals to AI projects, paid per approved task.
Terac
17 open roles · median $75/hr
Paid interviews, studies and AI evaluation tasks for working professionals.
Outlier
7 open roles · median $30/hr
Scale AI’s contributor platform for AI evaluation and writing, now focused on specialists and languages.
Pila8
3 open roles · median $50/hr
English-language audio and voice recording projects.
Remotasks
3 open roles · median $17/hr
Scale AI’s older task platform. A handful of legacy listings remain.
Innodata
2 open roles · median $75/hr
Data engineering company hiring flexible-hours generative AI associates, mostly in the US.