Become a partnerGet in touch

Global, Ethical Data Collection at Scale

We deliver diverse, domain-specific datasets—fast, secure, and fully compliant with ISO, GDPR, and HIPAA standards—to accelerate your AI development without compromising quality or privacy.

1.6M+

Crowd members

500+

Languages and locales

50+

Domains

ISO & GDPR

ISO 27001- and 27701-certified and GDPR compliant

Data Collection You Can Trust at Scale

We don’t just collect data—we curate authentic, domain-specific datasets with strict quality and compliance standards.

Precision Data Gathering

We don’t just collect data—we curate authentic, domain-specific datasets with strict quality and compliance standards.
Access contributors in 150+ countries speaking 500+ languages, ensuring cultural and linguistic coverage for unbiased AI.

Global Diversity at Scale

Access contributors in 150+ countries speaking 500+ languages, ensuring cultural and linguistic coverage for unbiased AI.
Every dataset is fully consented, copyright-cleared, and privacy-compliant, meeting GDPR and HIPAA requirements.

Ethical & Privacy-First

Every dataset is fully consented, copyright-cleared, and privacy-compliant, meeting GDPR and HIPAA requirements.
From niche datasets to millions of samples—delivered quickly and competitively.

Enterprise Scalability

From niche datasets to millions of samples—delivered quickly and competitively.

Expert Collection for Any Data Type

We offer high-quality data collection across every modality—audio, image, video, text, and multimodal—ensuring diversity, compliance, and scalability for your AI training needs.

AdobeStock_365221845_3.jpg

Audio

Capture authentic speech data for conversational AI and voice-driven systems:

  • Conversational Dialogues: Real-world conversations for natural language understanding.
  • IVR Interactions: Domain-specific voice prompts for call center and automated systems.
  • Emotional Tone Recordings: Speech samples with varied emotions for empathetic AI responses.

Image

Gather diverse visual datasets for computer vision and recognition models:

  • Everyday Objects: Common items for object detection and classification.
  • Facial Expressions: Annotated facial imagery for emotion and identity recognition.
  • Gesture Datasets: Hand and body gestures for interactive AI and robotics.

Video

Train models for dynamic environments and motion-based tasks:

  • Egocentric POV: First-person perspective videos for immersive AI applications.
  • Action Sequences: Human and object movements for activity detection.
  • Behavioral Clips: Real-world scenarios for predictive modeling and safety systems.

Text

Structure and enrich text data for Natural Language Processing (NLP) applications:

  • Sentiment-Rich Content: Text samples for emotion and opinion analysis.
  • Multilingual Datasets: Coverage across hundreds of high- and low-resource languages and dialects.
  • Structured Q&A: Domain-specific question-answer pairs for conversational AI.

Multimodal

Support advanced AI that integrates multiple data types:

  • Audio-Video-Text Streams: Integrated datasets for contextual understanding.
  • Emotion-Rich Interactions: Multi-sensor data for empathetic AI systems.
  • Sensor-Based Data: Robotics and IoT inputs for real-world automation.

Trusted by:

A grey-scale version of the Amazon logo.
A grey-scale version of the Google logo.
A grey-scale version of the IBM logo.
A grey-scale version of the Meta logo.
A grey-scale version of the Microsoft logo.

Deliver Smarter AI with Trusted Global Data

Achieve faster deployment and higher model performance with secure, ISO-certified datasets.

Conversational AI Training

Conversational AI Training

Collect spontaneous dialogues, IVR interactions, and scripted speech with rich transcriptions to train ASR, NLU, and chatbot models.

Voice Assistant Development

Voice Assistant Development

Gather diverse speech samples across accents, environments, and devices to improve wake-word detection and TTS quality.

Computer Vision Applications

Computer Vision Applications

Capture and annotate images for object detection, facial recognition, and semantic segmentation to support vision-based AI.

Multimodal AI Systems

Multimodal AI Systems

Combine audio, text, and visual data for robotics, AR/VR, and advanced assistants that require cross-modal understanding

What our customers say

We required large-scale, multilingual data collection to power our AI models, with no room for error. The team delivered over 15,000 validated responses across 17 languages, maintaining a 100% acceptance rate with zero rejections. They sourced more than 850 native speakers from 17 countries—including niche markets—to ensure diverse and representative datasets. Everything was completed ahead of schedule, giving our teams a strong foundation for global AI development.

Director of Data Science

Global eComm Platform

Learn More About Data Collection

Inclusive ASR Models: Using High-Quality, Ethical Data for Global Spee...

Let’s build better AI together

Partner with us for ethical, scalable data solutions tailored to your needs.

All fields are required

By completing this form, you are opting in to communications from Defined.ai and agree to our Privacy Policy, Terms of Use and License Agreement. You may opt-out at any time.

Couldn’t find the right dataset for you?

Get in touch

© 2026 DefinedCrowd. All rights reserved.

Award logo
Award logo
Award logo
Award logo
Award logo
Award logo

Datasets

Marketplace

Solutions

Privacy and Cookie PolicyTerms & Conditions (T&M)Data License AgreementSupplier Program
Privacy and Cookie PolicyTerms & Conditions (T&M)Data License AgreementSupplier ProgramCCPA Privacy StatementWhistleblowing ChannelCandidate Privacy Statement

© 2026 DefinedCrowd. All rights reserved.

Award logo
Award logo
Award logo
Award logo
Award logo
Award logo