Google Document AI vs Granite Docling
Granite Docling is cheaper per page; Google Document AI is faster; only Google Document AI supports forms, handwriting, confidence, multilingual; only Granite Docling supports math.
Google Document AIgoogle/document-ai | Granite Doclingibm/granite-docling | |
|---|---|---|
| Type | OCR API | Open source |
| Price | 3 credits / page | 1 credit / page |
| Per 1,000 pages | $3.00 | $1.00 |
| Typical speed | 1.4 s / page | 1.5 s / page |
| Best for | Multilingual scans | Small-model document conversion |
| Inputs | PDF, images | PDF, images |
| Languages | 200+ languages | English, experimental CJK and Arabic |
| Max pages per request | 500 | 500 |
| Tables | ✓ Yes | ✓ Yes |
| Handwriting | ✓ Yes | No |
| Math | No | ✓ Yes |
| Bounding boxes | ✓ Yes | ✓ Yes |
| Confidence | ✓ Yes | No |
| Forms | ✓ Yes | No |
| Multilingual | ✓ Yes | No |
| On OCRRouter | Available | 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
Google Document AI
Google Cloud OCR with layout parsing and specialised processors.
Google Document AI detailsGranite Docling
Compact IBM vision model that converts pages to DocTags for the Docling pipeline.
Granite Docling detailsUse one, fall back to the other
Request body
{
"model": "google/document-ai",
"fallbacks": ["ibm/granite-docling"],
"file_url": "https://example.com/document.pdf"
}