Google Cloud Vision

Google Cloud Vision (Cloud Vision API) is part of Google Cloud's Vision AI suite, giving developers access to Google's pretrained computer vision machine learning models through a straightforward REST and RPC API. It allows applications to extract insights from images without building or training custom models, covering common vision tasks such as image labeling, face and landmark detection, optical character recognition (OCR), and detection of explicit or unwanted content via SafeSearch.

The API is billed per feature applied to an image, with each detection type counted as a billable unit, and includes 1,000 free units every month, plus discounted rates at higher volumes (5,000,001+ units per month). It sits alongside other Vision AI products in the same suite: Document AI for extracting structured text and data from scanned documents using generative AI-powered OCR and NLP, Video Intelligence API for analyzing and understanding video content, and Imagen on Google's Gemini Enterprise Agent Platform for generative image creation, editing, and visual captioning.

Cloud Vision API is commonly used to digitize text from physical documents, detect and classify objects in images, moderate unsafe or harmful user-generated content, and power visual product search. It's well suited for developers who want fast, cost-effective integration of core vision features into an application without managing their own ML infrastructure, while more complex document-heavy or video-heavy use cases are better served by Document AI or Video Intelligence API respectively.

Cloud Vision API uses pay-per-use pricing billed by feature: each vision detection feature (such as label detection, OCR, or face detection) applied to an image counts as a billable unit. The first 1,000 units per month are free, with discounted rates kicking in at high volumes of 5,000,001+ units per month; exact per-unit costs vary by feature and are detailed on Google Cloud's dedicated pricing page. New Google Cloud customers also receive up to $300 in free credits usable across Vision AI and other Google Cloud products. Custom enterprise quotes are available by contacting Google Cloud sales.