vioscaleAI
Comparison

Marker vs Zerox

On the evidence we track, Marker leads this comparison with a composite score of 49/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Marker full profile →Zerox full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Marker49
Zerox41
Score
vioscaleAI score
Marker49 / 100high · 76%
Zerox41 / 100low · 10%
Pricing
Free tier
Marker✓
Zerox–
Model
Markeropen_source
Zerox–
Price level
Markerfree
Zerox–
Transparent
Marker✓
Zerox–
Integrations
Count
Marker7
Zerox1
Security
Soc2
Marker✓
Zerox–
Trust center
Vulnerabilities
Adoption
Dependent repos
Marker0
Zerox–
Github stars
Marker40,445
Zerox–
Activity
Commits last 30d
Marker6
Zerox–
Release
Cadence days
Marker6
Zerox–
History
Marker20 items
Zerox–
License
Spdx
MarkerApache-2.0
Zerox–
Language
Primary
MarkerPython
Zerox–
Content
Faq
Marker7 items
Zerox3 items

Capabilities

Feature-by-feature on the axes that matter for ai data extraction agents. “-” means undocumented, not absent.

Capabilities
Architecture model
MarkerOpen source library
ZeroxManaged cloud API
PDF and multimodal image OCR parsing
Marker✓
Zerox-
Web scraping to markdown or json
Marker✓
Zerox-
Tabular layout preservation for complex tables
Marker✓
Zerox-
Strict json schema forcing and validation
Marker-
Zerox-
Fine tuned document layout analysis models
Marker✓
Zerox-
Native chunking and vectorization for rag
Marker-
Zerox-
Javascript rendering for spa web scraping
Marker✗
Zerox-
Human in the loop hitl confidence review queue
Marker-
Zerox✓
Zero data retention privacy guarantees
Marker✓
Zerox-
SOC2 type ii
Marker-
Zerox-
Mit or apache permissive oss license
Marker✓
Zerox-
Pricing model
MarkerFree open source
Zerox-

What each one is

The product in its own terms, so the numbers below have context.

Marker

Leader

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.

Independently observed

Zerox

A platform enabling AI agents to automate borrower interactions and document collection for financial institutions. Agents integrate with core banking systems, CRMs, and loan platforms to handle workflows end-to-end while maintaining compliance and audit trails.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Marker

Leader
Open sourceFree tier

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
as of verify ↗

Zerox

Pricing not documented yet.

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Marker✗
Zerox✓
CLI
Marker✓
Zerox✗
Deployment
Cloud / SaaS
Marker✗
Zerox✓
Self-hosted
Marker✓
Zerox✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Marker

Leader
9 total
  • Gemini
  • Claude
  • OpenAI
  • Azure
  • Vertex
  • OpenRouter
  • Ollama
  • Azure OpenAI
  • Google Vertex AI
Independently observed

Zerox

1 total
  • WhatsApp
Independently observed
Still deciding?

Marker or Zerox: 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.