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The world’s leading AI Marketplace

Buy, sell, or commission top-quality AI training data, tools, and models from the world’s leading AI Marketplace
HIGH-QUALITY SPEECH RECOGNITION
Train ASR models to catch every word
Subscribe for continually updated speech training data to build robust speech recognition systems that can understand anyone, anywhere
TRAIN MACHINES TO SEE
Expand your computer vision products
Power more accurate computer vision algorithms with high-quality image and video training data
High-quality parallel corpora
Make your machine translation understand every detail
Build your model from scratch or adapt it to your domain with our extensive catalog of bilingual data

AI Marketplace trends

Check out the latest offers, deals, and resources in AI training data, tools, and models.

White Paper
Training a Voice Assistant – From Recognizing Speech to Understanding Sentiment
A Cutting Edge Voice Assistant is Foundational to Enhancing Customer Experience Once considered a novelty, voice-enabled assistants are now an...
DefinedAI Website
Blog post
Introducing Defined.ai
Welcome to the world’s leading marketplace for AI data, tools, and models DefinedCrowd has built a reputation as one of...
Introducing Defined.ai
Webinar
The Future of Chatbots & Conversational AI
In today’s highly competitive business environment, many companies and websites make use of conversational AI solutions to provide effective, personalized...
Future of Chatbots
White Paper
Training a Voice Assistant – From Recognizing Speech to Understanding Sentiment
A Cutting Edge Voice Assistant is Foundational to Enhancing Customer Experience Once considered a novelty, voice-enabled assistants are now an...
DefinedAI Website
Blog post
How Image Annotation Teaches Machines to See
Everything you need to know about image data labelling and image annotation   Computer vision technology has massive potential. From detecting cancer cells to allowing...
How Image Annotation Teaches Machines to See
Blog post
What is Text Annotation in Machine Learning?
Giving machines a deeper understanding of sentiment, intent and technical concepts.   Reading a sentence such as: “You are killing it!”, a human would understand...
What is Text Annotation in Machine Learning?
Blog post
What is Video Annotation in Machine Learning?
Powering computer vision for better machine learning models   In the fast-moving world of sports, multi-million dollar deals to secure top athletes...
Video Annotation

What you can find on the AI Marketplace

On the AI Marketplace platform, you’ll find the high-quality assets you need to build world-class AI. Alternatively, monetize your AI data, tools, or models by becoming a vendor on the AI Marketplace.

Train with data

Access diverse, bias-aware, continually updated and versioned AI training data. Click here to buy off-the-shelf training data, to commission a custom dataset, or to become a data vendor on our AI Marketplace.

Build models

Got foundational AI models that other ML engineers need? List them on our AI Marketplace today. Chat with us to become a vendor.

Enhance with tools

Monetize your AI tools by listing them on our AI Marketplace. Reach a vast international audience of data scientists and machine learning engineers. Chat with us today.

AI solutions for your industry

Find the AI solutions you need to become a leader in your industry by enhancing customer experience, reducing costs, and improving revenue

Insurance

Banking

Telecoms

Retail

Our awards

Established in 2015, Defined.ai has grown and received numerous awards for its impressive growth in the AI industry. Learn more about us, or explore opportunities on the team by clicking the links below.

Success Stories

We’ve helped many Fortune 500 companies improve efficiencies, lower costs, and increase revenue with tailor-made AI solutions

See how we helped Mastercard build a bilingual chatbot to streamline customer experience, improve sales, and cement customer loyalty, all within three weeks
Need AI to recognize all 28 dialects before expanding into France? Et voila! See how Defined.ai provided the solution for this Fortune 500 company
We helped EDP develop critical maintenance AI to help detect and diagnose infrastructure faults, ensuring the lights stay on for their customers. See how here
See how we leveraged our global crowd and industry-leading collection services to annotate sentiment in Korean language data for this Fortune 500 company
AI is risky without unbiased data. See how we helped this company build AI that better recognizes East Asian users and their family members