Defined.ai

Founded by Dr. Daniela Braga in 2015

Explore the world’s largest AI marketplace. Buy, sell or commission top-quality ethical AI training datasets with Defined.ai.

Cost

Paid

Rating

★ People love it

Time to value

Quick Setup (< 1 hour)

You can use Defined.ai to access the world's largest marketplace for AI training datasets. Browse ready-to-use datasets across speech, text, image, video, and multimodal formats. Purchase ethically sourced data with expert annotation services. Customize datasets for your specific project requirements. Request free samples before buying. Get secure delivery via API or file transfer. Work with a global crowd of 1.6M+ people across 150+ countries and 500+ languages to collect diverse training data for your AI models.

What Defined.ai does

Browse and filter AI datasets by domain and technical specsRequest free samples of training datasets before purchasingCommission custom data collection projects globallyAnnotate text, audio, image and video data with human expertsEvaluate AI model performance with expert testing servicesDownload datasets securely via API or file transferCustomize dataset formats and specifications for your modelsAccess multilingual datasets across 500+ languagesAccess to 1.6M+ global crowd across 150+ countriesReady-to-use datasets across text, audio, image, and videoISO 27001 and 27701 certified data handlingGDPR and HIPAA compliant data collectionCustom data annotation and evaluation servicesAPI delivery for fast data integrationFree dataset samples before purchaseMultilingual support for 500+ languages and dialects