RapidOCR vs Chandra
RapidOCR is cheaper per page; RapidOCR is faster; only RapidOCR supports confidence; only Chandra supports tables, math, handwriting, forms.
RapidOCRrapidai/rapidocr | Chandradatalab/chandra | |
|---|---|---|
| Type | Open source | Open source |
| Price | 1 credit / page | 2 credits / page |
| Per 1,000 pages | $1.00 | $2.00 |
| Typical speed | 0.6 s / page | 2.0 s / page |
| Best for | Lightweight OCR on CPU or edge | Complex layouts and handwriting |
| Inputs | images | PDF, images |
| Languages | Chinese, English and more | 40+ languages |
| Max pages per request | 100 | 500 |
| Tables | No | ✓ Yes |
| Handwriting | No | ✓ Yes |
| Math | No | ✓ Yes |
| Bounding boxes | ✓ Yes | ✓ Yes |
| Confidence | ✓ Yes | No |
| Forms | No | ✓ Yes |
| Multilingual | ✓ Yes | ✓ Yes |
| 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
RapidOCR
PaddleOCR models packaged for ONNX Runtime and other engines. Easy to deploy without Paddle.
RapidOCR detailsChandra
Datalab's OCR model that keeps layout and handles forms, tables and handwriting.
Chandra detailsUse one, fall back to the other
Request body
{
"model": "rapidai/rapidocr",
"fallbacks": ["datalab/chandra"],
"file_url": "https://example.com/document.pdf"
}