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Face API pricing

Detect, identify, analyse, organise and tag faces in photos

The Microsoft Face API uses state-of-the-art cloud-based face algorithms to detect and recognise human faces in images. Capabilities include features like face detection, face verification, and face grouping to organise faces into groups based on their visual similarity.

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Prices are estimates only and are not intended as actual price quotes. Actual pricing may vary depending on the type of agreement entered with Microsoft, date of purchase, and the currency exchange rate. Prices are calculated based on US dollars and converted using London closing spot rates that are captured in the two business days prior to the last business day of the previous month end. If the two business days prior to the end of the month autumn on a bank holiday in major markets, the rate setting day is generally the day immediately preceding the two business days. This rate applies to all transactions during the forthcoming month. Sign in to the Azure pricing calculator to see pricing based on your current programme/offer with Microsoft. Contact an Azure sales specialist for more information on pricing or to request a price quote. See frequently asked questions about Azure pricing.

Instance Transactions Per Second (TPS) * Features Price
Free - Web 20 transactions per minute Face Detection
Face Verification
Face Identification
Face Grouping
Similar Face Search
Standard - Web 10 TPS Face Detection
Face Verification
Face Identification
Face Grouping
Similar Face Search
Face Storage $- per 1,000 faces per month
Face Liveness $- per 1,000 transactions per month
Face Liveness + Verification $- per 1,000 transactions per month
* TPS only applies to web endpoint

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Face API

Learn more about Face API features and capabilities.

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Review technical tutorials, videos, and more Face API resources.

  • For operations that enable training at million-scale (available beginning March 1, 2018), a transaction is counted for every 1,000 images trained. “LargePersonGroup – Train” and “LargeFaceList – Train” belong to this category. Each operation in this category is rounded up to the nearest increment of 1,000 images. For example, a “LargeFaceList – Train” operation that includes 849,500 images will be counted as 850 transactions.

    For all other operations, each API call will be counted as a transaction.

    Please refer to the documentation for the complete list and detailed descriptions of operations.

  • Face Storage allows a subscription to store additional persisted faces when using person objects and face lists for identification, or for similarity matching with the Face API.

  • The stored faces are charged at $- per 1,000 faces, and this rate is prorated daily.

    For example, if your account used 10,000 persisted faces each day for the first half of the month and none the second half, you would be billed only for the 10,000 faces for the days stored. The calculation then is ($-/1,000) * (10,000*15+0*16)/31 = $-

    As a second example, if each day during the month you persist 1,000 faces for a few hours and then delete them each night, you would still be billed for 1,000 persisted faces each day.

  • The quota for the number of stored person groups is now 1 million, with up to 1 million persons per person group or face lists.

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