📄 Best for the job · 10 tools

Best AI tools for documents, data and OCR

Parsers that turn messy PDFs into clean text for LLMs, OCR APIs, and AI analysts that chart your spreadsheets. Pick based on whether you need a library, an API or a chat workspace.

Ranked by score on our 100-point rubric (how we score). Scores are initial editorial estimates from public information, not hands-on tests. Pricing is labeled verified (checked on the vendor's official pricing page, with date) or unverified. Prefer the visual version? See the Data & docs tier list.

Quick picks

#	Tool	Tier	Score	Free tier	Pricing
1	Docling Open-source document conversion toolkit	A	81	Yes	unverified
2	Mistral OCR Document understanding OCR API	A	77	No	unverified
3	LlamaParse GenAI-native document parser	A	73	Yes	verified
4	Marker Open-source PDF to markdown converter	A	73	Yes	unverified
5	Unstructured ETL for unstructured data	B	69	Yes	verified
6	Julius AI AI data analyst	B	67	Yes	verified
7	Hex Collaborative data notebooks with AI	B	66	Yes	unverified
8	Reducto High-accuracy document parsing API	B	66	Yes	verified
9	Amazon Textract OCR and form extraction on AWS	B	62	No	verified
10	ChatPDF Chat with PDF documents	B	57	Yes	unverified

The ranking

1
Docling
Open-source document conversion toolkit

open source A81/100

IBM-originated library that converts PDFs, Office docs and more into structured formats for AI.

Best for
You want free, local document parsing.

Skip it if
You want a hosted API with SLAs.

Pricing
Free and open source
unverified editorial summary, not yet confirmed on an official pricing page

Platforms
Python SDK · CLI · MCP

Full review → Docling alternatives →
2
Mistral OCR
Document understanding OCR API

A77/100

OCR model that extracts text, tables and images from PDFs into markdown via API.

Best for
You need high-volume PDF-to-markdown conversion.

Skip it if
You need fully local processing.

Pricing
Pay-per-page API pricing
unverified editorial summary, not yet confirmed on an official pricing page

Platforms
API

Full review → Mistral OCR alternatives →
3
LlamaParse
GenAI-native document parser

A73/100

Parses complex PDFs, tables and slides into LLM-ready formats, part of LlamaCloud.

Best for
You build RAG over messy documents.

Skip it if
You need on-prem without enterprise contracts.

Pricing
Free plan (10K credits); Starter $50/mo; Pro $500/mo
✓ verified on the official pricing page, Oct 18, 2026

Platforms
API

Full review →
4
Marker
Open-source PDF to markdown converter

open source A73/100

Fast, accurate open-source conversion of PDFs to markdown/JSON, with a hosted API by Datalab.

Best for
You want local high-quality PDF to markdown.

Skip it if
You need commercial use at a large company without a license.

Pricing
Free and open source (license limits for larger companies); hosted API paid
unverified editorial summary, not yet confirmed on an official pricing page

Platforms
Python SDK · CLI

Full review →
5
Unstructured
ETL for unstructured data

open source B69/100

Open-source library and platform that ingests and chunks documents for RAG pipelines.

Best for
You need a document ETL pipeline for RAG.

Skip it if
You only convert a few files.

Pricing
First 10,000 pages free, then $0.015/page pay-as-you-go
✓ verified on the official pricing page, Oct 18, 2026

Platforms
API · Python SDK

Full review →
6
Julius AI
AI data analyst

B67/100

AI workspace that analyzes data and spreadsheets and creates charts, dashboards, presentations and reports from chat.

Best for
You want quick analysis of a spreadsheet without code.

Skip it if
You need a governed BI platform.

Pricing
Free plan; Plus $20/mo ($16 annually); Pro $45/mo; team tier $450/mo
✓ verified on the official pricing page, Oct 18, 2026

Platforms
web

Full review →
7
Hex
Collaborative data notebooks with AI

B66/100

SQL/Python notebooks and apps with AI agents for data teams.

Best for
Your team does SQL/Python analytics.

Skip it if
You just need a quick chart.

Pricing
Free tier; paid plans
unverified editorial summary, not yet confirmed on an official pricing page

Platforms
web

Full review →
8
Reducto
High-accuracy document parsing API

B66/100

Vision-based document parsing and extraction for complex enterprise documents.

Best for
Accuracy on complex tables is critical.

Skip it if
You have a small budget.

Pricing
$150 free usage, then standard rates (Parse $10/1,000 pages); Growth plan custom
✓ verified on the official pricing page, Oct 18, 2026

Platforms
API

Full review →
9
Amazon Textract
OCR and form extraction on AWS

B62/100

Managed ML service to extract text, forms and tables from scanned documents.

Best for
You are on AWS and process forms at scale.

Skip it if
You want LLM-ready markdown out of the box.

Pricing
Pay per page; AWS Free Tier may apply to new accounts
✓ verified on the official pricing page, Oct 18, 2026

Platforms
API

Full review →
10
ChatPDF
Chat with PDF documents

B57/100

Upload PDFs and ask questions with cited answers.

Best for
You want quick Q&A on a PDF.

Skip it if
You need batch processing.

Pricing
Free tier; Plus paid
unverified editorial summary, not yet confirmed on an official pricing page

Platforms
web · API

Full review →

Head-to-head comparisons

FAQ

What is the best AI tool for documents, data and OCR?

Docling ranks first with 81/100 (A-tier). Open-source document conversion toolkit. Use it when you want free, local document parsing. Next in our ranking: Mistral OCR (77/100, A-tier) and LlamaParse (73/100, A-tier).

Which AI tools for documents, data and OCR have a free tier?

In our pricing data, Docling (unverified), LlamaParse (verified), Marker (unverified), Unstructured (verified), Julius AI (verified), Hex (unverified), Reducto (verified) and ChatPDF (unverified) list a free tier. "Unverified" means it is an editorial summary we have not yet confirmed on the vendor's official pricing page, so check the vendor before relying on it.

Are there open-source options for documents, data and OCR?

Yes. Docling, Marker and Unstructured are listed as open source or open weights. Check each project's license before commercial use.

How are these tools ranked?

Each tool is scored out of 100 on our public rubric: job fit (30), ease (15), value (15), momentum (15), openness and portability (10), trust and maturity (10) and a builder/gamer bonus (5). S-tier is 85+, A-tier 70–84, B-tier 55–69 and C-tier below 55. Current scores are initial editorial estimates from public information, not hands-on tests, and sponsors can't buy points.

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