Docling vs Marker
No leader: the top candidate Docling has only 0.32 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for ai data extraction agents. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Docling
A document processing platform that transforms diverse document formats into structured representations with detailed understanding of layout, structure, and content. It supports integration with AI systems and provides both cloud-based and local processing options.
Marker
A tool that transforms PDFs into structured markdown and JSON formats using advanced machine learning models for layout analysis and optical character recognition. Supports integration with various language models including Claude, Gemini, and OpenAI-compatible APIs.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Marker
Free open source (research, personal, startups <$5M). Commercial licensing available.
- Open SourceFree
- PDF to markdown/JSON conversion
- Layout analysis with OCR
- Table recognition
- LLM integration support
- CommercialContact sales
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Docling
- LangChain
- LlamaIndex
- Crew AI
- Haystack
- OpenContracts
- Apify
- Label Studio
- Semantica
Marker
- Gemini
- Claude
- OpenAI
- Azure
- Vertex
- OpenRouter
- Ollama
- Azure OpenAI
- Google Vertex AI
Docling or Marker: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.