SHSelfHostIndex

Docling vs Marker

A side-by-side comparison of two self-hosted self-hosted ai options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
DO Docling Parse documents into AI-ready structured formats VS MA Marker Convert PDFs and documents to Markdown with AI
FeatureDoclingMarker
Deploy effortUnder-an-hour setupRead-the-docs project
Health score100 · Excellent99 · Excellent
CategorySelf-Hosted AISelf-Hosted AI
LicenseMITGPL-3.0
LanguagePythonPython
Setup difficultyMediumMedium
Min. RAM4,096 MB4,096 MB
Deploymentbare-metal, source, dockerbare-metal, source
GitHub stars★ 67,749★ 39,929
First released20242023
ReplacesAdobe AcrobatAdobe Acrobat

What are Docling and Marker?

Docling

Docling parses diverse document formats including PDF, DOCX, and images into structured, AI-ready representations. It provides advanced layout understanding and integrates with popular RAG frameworks.

  • Multi-format document parsing
  • Advanced layout analysis
  • RAG framework integrations
  • Local processing

Read the full Docling guide →

Marker

Marker quickly and accurately converts PDFs, images, and office documents into Markdown, JSON, or HTML. It uses deep learning models to handle tables, equations, and complex layouts.

  • Accurate PDF to Markdown
  • Handles tables and equations
  • Many output formats
  • Optional LLM enhancement

Read the full Marker guide →

Docling vs Marker: key differences

Both projects are written in Python. Licensing differs — MIT for Docling versus GPL-3.0 for Marker. Docling lists first-class Docker deployment; Marker does not.

Why pick each one

Choose Docling if…

  • Excellent PDF layout parsing
  • Broad format support
  • Runs fully locally

Watch out for

  • Large model downloads
  • CPU parsing can be slow
Docling details

Choose Marker if…

  • High-accuracy PDF conversion
  • Handles tables and equations
  • Multiple output formats

Watch out for

  • GPU recommended for speed
  • Commercial licensing limits
Marker details

Frequently asked questions

Is Docling or Marker better?

Neither is universally better. Docling has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Docling and Marker free and open-source?

Yes. Docling is licensed under MIT and Marker under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Docling and Marker with Docker?

Docling: yes. Marker: check the project docs for container support.