GLM-OCR vs Unlimited OCR
Unlimited OCR is faster; only GLM-OCR supports confidence.
GLM-OCRzai/glm-ocr | Unlimited OCRbaidu/unlimited-ocr | |
|---|---|---|
| Type | Open source | Open source |
| Price | 2 credits / page | 2 credits / page |
| Per 1,000 pages | $2.00 | $2.00 |
| Typical speed | 1.3 s / page | 1.2 s / page |
| Best for | Low-cost general documents | Books and very long documents |
| Inputs | PDF, images | PDF, images |
| Languages | 100+ languages | 30+ languages |
| Max pages per request | 500 | 1,000 |
| Tables | ✓ Yes | ✓ Yes |
| Handwriting | No | No |
| Math | ✓ Yes | ✓ Yes |
| Bounding boxes | ✓ Yes | ✓ Yes |
| Confidence | ✓ Yes | No |
| Forms | No | No |
| Multilingual | ✓ Yes | ✓ Yes |
| 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
Unlimited OCR
Open-source model from Baidu that reads hundreds of pages in one pass with flat memory use.
Unlimited OCR detailsUse one, fall back to the other
Request body
{
"model": "zai/glm-ocr",
"fallbacks": ["baidu/unlimited-ocr"],
"file_url": "https://example.com/document.pdf"
}