Which is cheaper, Mathpix Convert or Docling?

Docling. Mathpix Convert is 7 credits / page and Docling is 2 credits / page.

Which is more accurate?

It depends on the document. Mathpix Convert is strongest at math and scientific papers, and Docling at structured export for rag. Run a few of your own files through both and compare the output.

Yes. Put one as model and the other in fallbacks. If the first fails, the second reads the page, and you pay only for the one that answered.

Mathpix Convert vs Docling

Docling is cheaper per page; Mathpix Convert is faster; only Mathpix Convert supports handwriting, confidence.

Get API key All models

	Mathpix Convert`mathpix/convert`	Docling`ibm/docling`
Type	OCR API	Open source
Price	7 credits / page	2 credits / page
Per 1,000 pages	$7.00	$2.00
Typical speed	1.5 s / page	2.2 s / page
Best for	Math and scientific papers	Structured export for RAG
Inputs	PDF, images	PDF, images, DOCX
Languages	30+ languages	Latin scripts, CJK
Max pages per request	500	500
Tables	✓ Yes	✓ Yes
Handwriting	✓ Yes	No
Math	✓ Yes	✓ Yes
Bounding boxes	✓ Yes	✓ Yes
Confidence	✓ Yes	No
Forms	No	No
Multilingual	No	No
On OCRRouter	Coming soon	Coming soon

Prices are what you pay on OCRRouter. Speed is the provider's typical figure, not a benchmark we ran.

What each one is

Mathpix Convert

Specialist for math, science papers and handwritten formulas. Outputs LaTeX.

Mathpix Convert details

Docling

IBM's open-source document converter with a structured document model.

Docling details

Use one, fall back to the other

Request body

{
  "model": "mathpix/convert",
  "fallbacks": ["ibm/docling"],
  "file_url": "https://example.com/document.pdf"
}

Questions

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