Sigma open datasets

Every successful machine learning project starts with quality data. We’ve assembled a collection of free, open-source datasets you can use in machine learning experiments and projects. If you have a free, publicly-available dataset you’d like us to add, contact us to let us know!

How it works

  1. Click an entry to view all dataset criteria
  2. Sort data by fields including description, usage, media type, etc.
  3. Search datasets by words or phrases
  4. Download a CSV file through the link on the bottom right

Let’s work together to build smarter AI

Whether you need help sourcing and annotating training data at scale, or you need a full-fledged annotation strategy to serve your AI training needs, we can help. Get in touch for more information or to set up your proof-of-concept.
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