Defined.ai: Ethical AI Training Data Marketplace

Defined.ai

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Website
Last Updated:
2025/09/07
Description:
Defined.ai is the world's largest AI marketplace offering ethical AI training datasets for various applications. Buy, sell, or commission high-quality data for your AI projects.
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Overview of Defined.ai

Defined.ai: Your Trusted AI Marketplace for Ethical Data

What is Defined.ai?

Defined.ai is the world's largest AI marketplace, specializing in providing high-quality and ethically sourced data for AI applications. Founded in 2015 by Dr. Daniela Braga, Defined.ai offers a wide selection of datasets, professional services, and AI solutions to help businesses succeed in complex machine learning projects.

How does Defined.ai work?

Defined.ai operates as a marketplace where users can buy, sell, or commission AI training datasets. The platform offers a variety of off-the-shelf datasets, as well as custom data services to meet specific project requirements. Defined.ai emphasizes ethical data collection and transparent practices, ensuring that AI solutions are developed responsibly and fairly.

Key Features:

  • Datasets Marketplace: Access a wide range of ethically collected datasets, including speech datasets, natural language processing datasets, medical image analysis datasets, podcasts datasets, healthcare Q&A prompts, and more.
  • Ethical Data Sourcing: Data is collected and managed with the highest ethical standards, ensuring the privacy and trust of clients and data contributors.
  • Customizable Datasets: Datasets can be sliced and tailored to specific project requirements, maximizing value and aligning with project goals.
  • Top-Tier Talent: Collaborate with a team of AI professionals with impressive backgrounds and unparalleled experience.
  • Quality Control: Expert teams review and refine datasets rigorously, ensuring accuracy and meeting top-quality standards.

Why is Defined.ai important?

Defined.ai plays a crucial role in the AI ecosystem by providing access to high-quality, ethically sourced data. This is essential for developing responsible and fair AI solutions. The platform also offers a range of services to support businesses in their AI projects, from data collection and annotation to model training and deployment.

Use Cases:

  • Speech Recognition: Develop diverse speech recognition applications using 19k+ hours of speech datasets across 11 domains and 14 regions.
  • Natural Language Processing: Enhance multilingual AI & NLP research with 1.5M+ annotations and 4B+ units.
  • Medical Image Analysis: Improve AI-driven diagnostics and patient care with 250k+ DICOM medical images.
  • Content Moderation: Moderate content effectively with 300k+ images & 1.7k videos for adult content classification.
  • Sentiment Analysis & Emotion Recognition: Analyze sentiment and detect emotions in video content using 60k+ hours of diverse video content.

What our customers say:

  • Ben Stern, VP, Software Systems R&D @Interactions: "Defined.ai transcription accuracy is excellent, quickly adapting labeling guidelines for new concerns and evolving priorities as they arise. They’re more than our transcription & annotation vendor - they are our partner and enabler in achieving state-of-the-art ML performance."
  • Saurabh Saxena, Head of Technology, VP R&D (EmotionAI) @Uniphore: "We are thankful for Defined.ai’s unrelenting efforts in creating video, audio, and word datasets, carefully scripted and crafted yet delivered at an extremely high velocity for our neural networks to iterate and improve continually."
  • João Dias, President @AMA - Agência para a Modernização Administrativa, IP @AMA: "The Virtual Assistant project launched by AMA, through the strategic partnership with Defined.ai embodies the fusion between innovation and technology, boosting the public sector with private sector knowledge."

Where can I use Defined.ai?

You can use Defined.ai to:

  • Find and purchase high-quality AI training datasets.
  • Sell your own AI training datasets.
  • Commission custom data services for your AI projects.
  • Access expert support and guidance for your AI initiatives.

How to get started with Defined.ai?

  1. Visit the Defined.ai website.
  2. Browse the AI marketplace to explore available datasets.
  3. Contact Defined.ai to discuss your custom data needs.

Defined.ai is committed to building fair, accessible, and ethical AI for the future. Explore the world's largest AI marketplace and unlock your AI capabilities with ethically collected, diversified datasets.

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