E2F vs Prolific
How the two compare for AI training work, using pay and job counts from listings that are open right now.
 Prolific | ||
|---|---|---|
| Open jobs here | 10 | 591 |
| Median pay | Not enough data | $30/hr |
| Typical range | Not enough data | $23–$115/hr |
| Highest posted | Not enough data | $200/hr |
| Rating | 0.0 | 0.0 |
| Would recommend | 0% | 0% |
| Hires most for | Response Rater, Home Activities Video, LLM Evaluator (English) | Data Annotation & Labeling, Linguistic Annotation, AI Expert - Clinical & Medical |
| Founded | 2004 | 2014 |
| Country limits | None listed | None listed |
About E2F
Human-in-the-loop AI data services and localization (annotation, evaluation, translation in 200+ languages) for AI/LLM training. Now branded TrustScale. Founded 2004, San Jose. Remote-friendly.
E2F pay, process, and 10 open jobsAbout Prolific
Trusted research platform connecting participants with academic and commercial studies.
Prolific pay, process, and 591 open jobsCommon questions
Which has more open jobs, E2F or Prolific?
Prolific has 591 open AI training jobs here, compared with 10 at E2F.
Can I work for both E2F and Prolific?
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.