TrOCR vs Chunkr
TrOCR is cheaper per page; TrOCR is faster; only TrOCR supports handwriting; only Chunkr supports tables, math, bounding boxes, multilingual.
TrOCRmicrosoft/trocr | Chunkrchunkr/chunkr | |
|---|---|---|
| Type | Open source | OCR API |
| Price | 1 credit / page | 14 credits / page |
| Per 1,000 pages | $1.00 | $14.00 |
| Typical speed | 1.2 s / page | 3.0 s / page |
| Best for | Handwritten text lines | Layout-aware chunks for RAG |
| Inputs | images | PDF, images, DOCX |
| Languages | English | Multilingual |
| Max pages per request | 100 | 1,000 |
| Tables | No | ✓ Yes |
| Handwriting | ✓ Yes | No |
| Math | No | ✓ Yes |
| Bounding boxes | No | ✓ Yes |
| Confidence | No | No |
| Forms | No | No |
| Multilingual | No | ✓ 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
TrOCR
Transformer text recognition model. Reads single text lines, including handwriting.
TrOCR detailsChunkr
Document parsing API that segments and chunks pages for RAG. Self-hostable version available.
Chunkr detailsUse one, fall back to the other
Request body
{
"model": "microsoft/trocr",
"fallbacks": ["chunkr/chunkr"],
"file_url": "https://example.com/document.pdf"
}