Data Pipelines

unstructured

Convert complex documents into structured data for language models.

Status
Generally available
Last checked
Checked · Oct 16, 2026
License
Open source
Pricing
Free tier · from $0
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What it is

Unstructured is an open-source ETL solution that transforms complex documents into clean, structured formats. It's ideal for preparing data for use with language models and supports various document types.

Unstructured stands out by offering an open-source solution specifically tailored for converting complex documents into structured data formats, making it ideal for integration with language models.

When it fits — and when it doesn’t

A good fit for

  • Developers working on projects that require converting complex documents into structured formats

  • Data scientists who need to preprocess large volumes of unstructured text for machine learning models

Look elsewhere if

  • Projects requiring real-time document processing, as it is designed for batch operations

  • Teams looking for a fully managed service without the need for self-hosting and customization

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited support for certain document types

    Documentation lacks examples and support for less common file formats like .docx macros or PDF forms

  2. 02

    Performance issues with large documents

    Processing time increases exponentially with document size, leading to slow performance on larger files

What it does well

  • Converts various document types into structured data

  • Supports integration with language models for enhanced processing

  • Open-source and highly customizable

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up unstructured

Setup steps, common gotchas and what to check after 30 days.

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