Mathpix Convert vs SmolDocling
SmolDocling is cheaper per page; SmolDocling is faster; only Mathpix Convert supports handwriting, confidence.
Mathpix Convertmathpix/convert | SmolDoclinghuggingface/smoldocling | |
|---|---|---|
| Type | OCR API | Open source |
| Price | 7 credits / page | 1 credit / page |
| Per 1,000 pages | $7.00 | $1.00 |
| Typical speed | 1.5 s / page | 1.0 s / page |
| Best for | Math and scientific papers | Very cheap page conversion |
| Inputs | PDF, images | PDF, images |
| Languages | 30+ languages | Mainly English |
| 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 detailsSmolDocling
Tiny 256M vision model from Hugging Face and IBM that outputs DocTags. Predecessor of Granite Docling.
SmolDocling detailsUse one, fall back to the other
Request body
{
"model": "mathpix/convert",
"fallbacks": ["huggingface/smoldocling"],
"file_url": "https://example.com/document.pdf"
}