Dataset marketplace
Browse and license more than 700 ready-to-use training datasets. Filters for language, domain, and format help teams identify relevant data before requesting free samples.
AI training data marketplace and custom data services for teams building AI models.
Defined.ai is an AI training data marketplace and services provider for teams developing and evaluating machine learning models. It combines licensed datasets with custom collection, annotation, and model development services, covering speech, text, images, video, and multimodal data.
Teams can select existing datasets or commission data tailored to their project requirements. Defined.ai serves enterprise AI teams, foundation model providers, and AI companies, including organizations in healthcare, finance, automotive, and technology.
Browse and license more than 700 ready-to-use training datasets. Filters for language, domain, and format help teams identify relevant data before requesting free samples.
Commission data collection scoped to accuracy, demographic, language, and compliance requirements, supporting projects that need data beyond existing catalogue offerings.
Access expert labeling, transcription, annotation, and validation for image, video, text, and audio datasets.
Obtain parallel corpora and translation training data, plus speech and dialogue data for voice assistants, chatbots, IVR systems, and conversational agents.
Services cover supervised fine-tuning, retrieval-augmented generation, reinforcement learning from human feedback, and direct preference optimization.
Use human-in-the-loop evaluation, red teaming, and quality assessment to examine AI datasets and models.
An AI team with missing demographic or language coverage can commission a collection project defined around those requirements.
Teams developing voice assistants or customer dialogue systems can source speech and conversation data for their target languages and markets.
Automotive, robotics, or other computer vision teams can use image and video annotation services to prepare training datasets.
Teams working on an LLM can combine fine-tuning services with human evaluation and red teaming to assess model quality during development.
The marketplace offers free dataset samples, allowing teams to examine sample data when considering a licence.
Defined.ai states that data is sourced with informed consent and fair compensation, with provenance provided. Its contributor community includes more than 1.6 million vetted contributors across more than 150 markets.
Its stated coverage spans more than 500 languages, dialects, and locales, including low-resource language pairs.
Crowd-as-a-Service provides direct access to Defined.ai’s globally diverse contributor community for custom data projects.
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