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Google Document AI vs GLM-OCR

GLM-OCR is cheaper per page; GLM-OCR is faster; only Google Document AI supports forms, handwriting; only GLM-OCR supports math.

Google Document AIgoogle/document-aiGLM-OCRzai/glm-ocr
TypeOCR APIOpen source
Price3 credits / page2 credits / page
Per 1,000 pages$3.00$2.00
Typical speed1.4 s / page1.3 s / page
Best forMultilingual scansLow-cost general documents
InputsPDF, imagesPDF, images
Languages200+ languages100+ languages
Max pages per request500500
Tables✓ Yes✓ Yes
Handwriting✓ YesNo
MathNo✓ Yes
Bounding boxes✓ Yes✓ Yes
Confidence✓ Yes✓ Yes
Forms✓ YesNo
Multilingual✓ Yes✓ Yes
On OCRRouterAvailableAvailable

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 details

GLM-OCR

Small open-source OCR model from Z.ai with layout regions. MIT licensed.

GLM-OCR details

Try both on your own file

Run the file once with each model and compare the output.

結果

辨識出的 Markdown 或 JSON 會顯示在這裡。

Use one, fall back to the other

Request body
{
  "model": "google/document-ai",
  "fallbacks": ["zai/glm-ocr"],
  "file_url": "https://example.com/document.pdf"
}

Questions

More comparisons