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GPT vs GLM-OCR

GLM-OCR is cheaper per page; GLM-OCR is faster; only GPT supports handwriting; only GLM-OCR supports bounding boxes, confidence.

GPTopenai/gptGLM-OCRzai/glm-ocr
TypeVision modelOpen source
Price11 credits / page2 credits / page
Per 1,000 pages$11.00$2.00
Typical speed2.4 s / page1.3 s / page
Best forMessy scans, custom instructionsLow-cost general documents
InputsPDF, imagesPDF, images
Languages50+ languages100+ languages
Max pages per request100500
Tables✓ Yes✓ Yes
Handwriting✓ YesNo
Math✓ Yes✓ Yes
Bounding boxesNo✓ Yes
ConfidenceNo✓ Yes
FormsNoNo
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

GPT

General vision model. Good at messy scans and following extraction instructions.

GPT 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": "openai/gpt",
  "fallbacks": ["zai/glm-ocr"],
  "file_url": "https://example.com/document.pdf"
}

Questions

More comparisons

GPT alternativesGLM-OCR alternatives