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Unstructured.io alternatives

3 mutual alternatives and 3 other related tools for Unstructured.io, ordered by editorial similarity. See all tools on the alternatives hub.

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Mutual alternatives (both tools list each other)

DO

Docling

RAG · GraniteDocling 258M and other vision-language models

Open-source document parsing for AI: PDFs, Office files, audio and video into clean, structured Markdown/JSON

Free· Free and open source under MIT License. Hosted by the LF AI & Data Foundation; no paid tiers.RAG document ingestionPDF table extraction
RE

Reducto

RAG · In-house vision models combined with frontier LLMs (specific vendors undisclosed)

An agentic document platform for AI teams requiring enterprise performance at scale.

Freemium· Standard plan is free with $150 in free usageExtracting insights from investor decks, spreadsheets, and SEC filingsExtracting invoice fields, onboarding forms, and financial disclosures
OP

OpenDataLoader PDF

RAG
7.1

OpenDataLoader PDF converts PDFs into LLM-ready Markdown and JSON with accurate reading order, table extraction, and bounding boxes, running locally.

Freemium· Free tier includes layout analysis and auto-tagging under Apache 2.0; Enterprise tier includes PDF/UA-1 and PDF/UA-2 exportRAG pipeline data extractionTable extraction

Also related

Unstructured.io lists these as alternatives, but they do not list Unstructured.io back.

KO

Kotaemon

RAG · Multi-model (OpenAI, LlamaCPP, any OpenAI-compatible endpoint)
7.0

Open-source RAG UI for chatting with your own documents, locally or self-hosted.

Free· Free, open-source (MIT-style); self-hosted infrastructure costs onlydocument-qaprivate-rag
PR

PrivateGPT

RAG · Multi-model (BYO local LLM)
7.0

Open-source API layer that turns local models into production AI applications.

Free· OSS free; Zylon enterprise contract (contact sales)Context-aware AI apps based on documentsProduction AI applications
AI

aiPDF

RAG
6.8

Chat-with-your-documents app that ingests PDFs, EPUBs, web pages and YouTube videos with cited answers.

Freemium· Playful: Free · Dynamic: $9/month · Flagship: $19/monthdocument-chatpdf-summarization