OCRRouterGet API key

PaddleOCR (PP-OCR) vs Chandra

PaddleOCR (PP-OCR) is cheaper per page; PaddleOCR (PP-OCR) is faster; only PaddleOCR (PP-OCR) supports confidence; only Chandra supports tables, math, handwriting, forms.

PaddleOCR (PP-OCR)paddle/paddleocrChandradatalab/chandra
TypeOpen sourceOpen source
Price1 credit / page2 credits / page
Per 1,000 pages$1.00$2.00
Typical speed0.7 s / page2.0 s / page
Best forFast printed text, Chinese and EnglishComplex layouts and handwriting
InputsPDF, imagesPDF, images
Languages80+ languages40+ languages
Max pages per request500500
TablesNo✓ Yes
HandwritingNo✓ Yes
MathNo✓ Yes
Bounding boxes✓ Yes✓ Yes
Confidence✓ YesNo
FormsNo✓ Yes
Multilingual✓ Yes✓ Yes
On OCRRouterComing soonComing soon

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

What each one is

PaddleOCR (PP-OCR)

Baidu's classic open-source text detection and recognition pipeline. Light enough to run on CPU.

PaddleOCR (PP-OCR) details

Chandra

Datalab's OCR model that keeps layout and handles forms, tables and handwriting.

Chandra details

Use one, fall back to the other

Request body
{
  "model": "paddle/paddleocr",
  "fallbacks": ["datalab/chandra"],
  "file_url": "https://example.com/document.pdf"
}

Questions

More comparisons

PaddleOCR (PP-OCR) alternativesChandra alternatives