Google Cloud Vision API vs OpenCV

Google Cloud Vision API plans

• Cloud Vision API pay-as-you-goFree
• First 1,000 unitsFree
• Units above 5,000,000$0.60 a month
• Units 1,001 to 5,000,000$1.50 a month

OpenCV plans

No prices published.

Pick Google Cloud Vision API if…

It suits developers seeking prebuilt vision capabilities to add to applications, especially image labeling, OCR, object localization, or content tagging. Mobile developers should note Google's recommendation of ML Kit for Firebase for Android and iOS.

Pick OpenCV if…

You want what its maker publishes above — check its page for the details.