The most innovative companies use CrowdFlower to enrich their most important data

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Here's how it works

Upload your data

Your data can be text, images, audio, or video from public sources or your mission-critical systems of record

Design your job

Choose from our template library and customize your design settings to drive the data quality you need

Launch your job

Our platform will route the tasks to the right people -- under NDA if needed -- based on your requirements

Use your results

Download your enriched data or use machine learning and humans-in-the-loop to make AI work for your business

What you can do with CrowdFlower

Our platform combines machine learning and humans-in-the-loop in a single platform for data science teams doing sentiment analysis, search relevance, or business data classification.

Use Cases

Upcoming Events

Where you can learn more

What our customers are saying

Some of the world's most innovative companies use CrowdFlower

We needed a way to scalably measure search results quality. We needed to look at the impact of algorithms in search results relevancy and CrowdFlower provides a way to do that. Our search results have gotten measurably better and we’ve been able to increase revenue, so it's been a real winner in terms of user experience and income.

James Rubenstein
Director of U.S. Search

More Success Stories

Having tens of thousands of people at your disposal to read content and score it for sentiment and tone gives us the ability to inform our clients if there’s an issue. We can identify it quickly and put the campfire out before it becomes a forest fire.

Chris Lightner
Executive Vice President, Measurement and Insights

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We're not trying to replicate our data scientists with the crowd. We're going to take away the stuff they find really boring, and save their expertise for the hard cases. Our data scientists appreciated that.

Bruce Smith
Senior Data Scientist, Semantic Technology & Search

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