Data Prep Kit: Accelerating Data Preparation for GenAI and LLM Applications

Data Prep Kit: Accelerating Data Preparation for GenAI and LLM Applications

Summary

Data Prep Kit is an open-source project designed to accelerate unstructured data preparation for GenAI and LLM applications. It provides a comprehensive set of modules and transforms to cleanse, transform, and enrich data for pre-training, fine-tuning, instruct-tuning LLMs, or building Retrieval Augmented Generation (RAG) applications. The kit is highly scalable, supporting processing from a laptop to data center scale using Python, Ray, and Spark runtimes.

Repository Info

Updated on November 1, 2025
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Tags

Data PreparationLLMGenAIData PreprocessingPythonRaySparkOpen Source

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Introduction

The Data Prep Kit is an open-source initiative aimed at streamlining the complex process of preparing unstructured data for Generative AI (GenAI) and Large Language Model (LLM) applications. It offers a robust framework and a growing collection of modules, known as transforms, to efficiently cleanse, transform, and enrich diverse datasets. Whether you're pre-training, fine-tuning, or instruct-tuning LLMs, or developing Retrieval Augmented Generation (RAG) applications, Data Prep Kit provides the tools to ensure your data is optimized. Designed for scalability, it seamlessly operates from a single laptop to large-scale data center environments, leveraging popular frameworks like Python, Ray, and Spark.

Installation

Getting started with Data Prep Kit is straightforward. The latest version is available on PyPI and supports Python 3.10, 3.11, and 3.12. You can install all available transforms using the following command:

pip install 'data-prep-toolkit-transforms[all]'

For detailed guidance on setting up a virtual environment, refer to the quick-start documentation.

Examples

To quickly experience Data Prep Kit without any setup, try the Google Colab friendly notebook for extracting content from PDF files: Run your first transform on Colab.

For more advanced use cases, explore the complete set of data processing recipes that demonstrate how to build end-to-end data prep pipelines for fine-tuning models or building RAG applications. Developers interested in contributing can also follow the tutorial for creating new transforms.

Why Use Data Prep Kit?

Data Prep Kit stands out by offering a comprehensive and scalable solution for data preparation in the GenAI era. Its key advantages include:

  • Accelerated Development: Speeds up the process of preparing unstructured data for LLM applications.
  • Versatile Transforms: Provides a growing collection of modules for data ingestion, universal transformations (deduplication, profiling, resizing), language-specific tasks (language identification, PII redacting, chunking), and code-specific tasks (quality annotation, malware detection).
  • Scalability: Built on Python, Ray, and Spark, allowing seamless scaling from local machines to large data centers.
  • Modality Support: Currently supports Natural Language and Code data, with an extensible framework for new modalities.
  • Workflow Automation: Integrates with Kubeflow Pipelines for automated data processing workflows.
  • Community Driven: An open-source project hosted by the LF AI & Data Foundation, encouraging contributions and collaboration.

Links

Explore Data Prep Kit further through these official resources: