Programmatic – a REPL for creating labeled data
Hey HN, I’m Jordan cofounder of Humanloop (YC S20) and I’m excited to show you Programmatic — an annotation tool for building large labeled datasets for NLP without manual annotation. Programmatic is like a REPL for data annotation. You: 1. Write simple rules/functions that can approximately label the data 2. Get near-instant feedback across your entire corpus 3. Iterate and improve your rules Finally, it uses a Bayesian label model [1] to convert these noisy annotations into a single, large, clean dataset, which you can then use for training machine learning models. You can…
Programmatic – a REPL for creating labeled data launched on April 8, 2022 with 26 votes, #825 of 2,974 launches that month and more than 75% of that year's launches.
In plain words
Programmatic is an annotation tool that helps NLP practitioners build labeled datasets without manual labeling. Users write simple rules or functions to approximately label data, receive instant feedback across their entire dataset, and iterate to improve their rules. The tool then uses a Bayesian label model to convert these noisy annotations into a single clean dataset for training machine learning models. It's designed for teams who want to label millions of data points more quickly than traditional hand-labeling methods.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hey HN, I’m Jordan cofounder of Humanloop (YC S20) and I’m excited to show you Programmatic — an annotation tool for building large labeled datasets for NLP without manual annotation. Programmatic is like a REPL for data annotation. You: 1. Write simple rules/functions that can approximately label the data 2.…
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