Prolific vs Welo Data
How the two compare for AI training work, using pay and job counts from listings that are open right now.
 Prolific |  Welo Data | |
|---|---|---|
| Open jobs here | 591 | 373 |
| Median pay | $30/hr | $20.30/hr |
| Typical range | $23–$115/hr | $10–$35/hr |
| Highest posted | $200/hr | $230.77/hr |
| Rating | 0.0 | 0.0 |
| Would recommend | 0% | 0% |
| Hires most for | Data Annotation & Labeling, Linguistic Annotation, AI Expert - Clinical & Medical | Response Rater, Bilingual LLM & Translation, Geospatial Annotation |
| Founded | 2014 | 2023 |
| Country limits | None listed | None listed |
About Prolific
Trusted research platform connecting participants with academic and commercial studies.
Prolific pay, process, and 591 open jobsAbout Welo Data
Welocalize's AI data brand with 500,000+ experts across 100+ countries, offering annotation, RLHF, and LLM fine-tuning services.
Welo Data pay, process, and 373 open jobsCommon questions
Does Prolific or Welo Data pay more?
Based on live listings, Prolific pays more: a median of $30/hr against $20.30/hr at Welo Data.
Which has more open jobs, Prolific or Welo Data?
Prolific has 591 open AI training jobs here, compared with 373 at Welo Data.
Can I work for both Prolific and Welo Data?
Usually, yes. Most AI training work is freelance or contract, and many people work on several platforms to keep a steady flow of tasks. Check each contract for exclusivity terms.