Defined.ai

AI data marketplace for speech, NLP, and computer vision training data. Offers recording, transcription, and annotation projects with focus on diverse languages.

voiceannotationbatch income

Apply Now Official site →

Advertised

$10–$25

/hour (effective)

Payment

Per project completion

PayPal, Bank Transfer

Languages

How to Get Started

Apply via Lever

15 min

Submit application with language profile

Screening

30 min

Language proficiency verification

Project Assignment

Varies

Get assigned to matching projects

Complete Tasks

Project-based

Deliver according to project guidelines

Start at Defined.ai

Pros

+Strong in speech/voice data projects
+Good for multilingual speakers
+Established company with consistent projects
+Focus on data quality over volume

Cons

-Project-based availability
-Payment on completion (not hourly)
-Limited self-service task access
-Smaller contributor pool than Appen/Scale

Supported Languages

EnglishPortugueseSpanishFrenchGermanKoreanJapaneseArabic

Next Steps

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This is an independent review and does not constitute an endorsement. Defined.ai is a trademark of its respective owner. VoiceWorkerHub is not affiliated with Defined.ai. Information is provided for educational purposes only and may not reflect current platform terms. Last reviewed: 2026-03-09.