Framework
Unstructured
Unstructured is an open-source AI framework, launched in 2022, made for developers and businesses.
A library that turns PDFs, images and Office files into clean, chunked data for LLMs.
Main jobs: Document parsing. It is open source and free to use. You can use it on your own server, through an API and in the terminal.
Markdown version of https://godooo.ai/en/framework/unstructured. Every page on this site has one: add .md to its address.
At a glance
- Type
- Framework
- Launched
- 2022
- Galaxy
- Models & APIs
- Open source
- Yes · Apache-2.0
- Source code
- github.com/Unstructured-IO/unstructured
- GitHub stars
- 15,480
- How you run it
- Self-host · API · Terminal
- Made for
- Developers · Businesses
- Website
- unstructured.io
What it can do
Document parsingmain jobunconfirmed
“Transform complex, unstructured data into clean, AI-ready inputs. Connect to any source, process 64+ file types, and power your GenAI projects.”— unstructured.io, 2026-09-24
Knowledge base (RAG)supportedunconfirmed
“take advantage of chunking, embedding, and image and table enrichment generation, all from a low code UI or an API.”— github.com, 2026-09-24
Text recognition (OCR)supportedunconfirmed
“OCR that catches every detail. Capture text from scans, images, handwriting, and low-quality documents with high accuracy.”— unstructured.io, 2026-09-24
unconfirmedproposed by a machine, awaiting calibration
Alternatives
- DoclingOpen source, freeAlso does: Document parsing, Text recognition (OCR), Knowledge base (RAG); runs offline
- MinerUOpen source, freeAlso does: Document parsing, Text recognition (OCR); runs offline
- PaddleOCROpen source, freeAlso does: Document parsing, Text recognition (OCR); runs offline
- RAGFlowOpen source, freeAlso does: Document parsing, Knowledge base (RAG)
- MarkerOpen source, freeAlso does: Document parsing, Text recognition (OCR); runs offline
- SuryaOpen source, freeAlso does: Document parsing, Text recognition (OCR); runs offline
- LlamaIndexOpen source, freeAlso does: Knowledge base (RAG), Document parsing, Text recognition (OCR); runs offline
- MarkItDownOpen source, freeAlso does: Document parsing, Text recognition (OCR); runs offline
- FastGPTOpen source, freeAlso does: Knowledge base (RAG), Document parsing; no code needed
- kotaemonOpen source, freeAlso does: Knowledge base (RAG), Document parsing; runs offline; no code needed
- PDF SkillAlso does: Document parsing
- PrivateGPTOpen source, freeAlso does: Knowledge base (RAG), Document parsing; runs offline
Questions
What is Unstructured?
Unstructured is an open-source AI framework, launched in 2022, made for developers and businesses. A library that turns PDFs, images and Office files into clean, chunked data for LLMs.
Is Unstructured free?
Yes. Unstructured is open source (Apache-2.0) and free to use.
Is Unstructured open source?
Yes, under the Apache-2.0 license. The source code is at https://github.com/Unstructured-IO/unstructured.
Can Unstructured run locally?
Unstructured can be self-hosted on your own server.
What can Unstructured do?
Main jobs: Document parsing. It can also do: Knowledge base (RAG), Text recognition (OCR).
What are open-source alternatives to Unstructured?
Open-source ones: Docling, MinerU, PaddleOCR, RAGFlow, Marker, Surya, LlamaIndex and MarkItDown. Others: PDF Skill.
Sources
- www.unstructured.io/checked 2026-09-24
- github.com/Unstructured-IO/unstructuredchecked 2026-09-24