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Azure AI Translator pricing

Easily conduct machine translation with a simple REST API call

Microsoft Translator is a cloud-based machine translation service supporting multiple languages, reaching more than 95% of world's gross domestic product (GDP). Use Translator to build applications, websites, tools, or any solution requiring multi-language support.

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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 fall 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 upcoming month. Sign in to the Azure pricing calculator to see pricing based on your current program/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 Features Price
Free
  • Standard Translation
    • Text Translation
    • Language Detection
    • Bilingual Dictionary
    • Transliteration
  • Custom Translation
    • Training

Pay-as-you-go

Features Instance S1
Standard Translation
Text Translation $- per million chars of standard translation
Language Detection
Bilingual Dictionary
Transliteration
Document Translation $- per million chars of document translation
Custom Translation
Text Translation $- per million chars of custom translation
Document Translation $- per million chars of document translation
Training $- per million source + target chars of training data (max. $300/training)
Custom model hosting $- per hosted custom translation model per region, per month

Commitment Tiers

Instance Features Price (per month) Overage
Azure - S1 Standard Translation $- per 250M characters
$- per 1,000M characters
$- per 4,000M characters
$- per 1M characters
$- per 1M characters
$- per 1M characters
Connected container - S1 Standard Translation $- per 250M characters
$- per 1,000M characters
$- per 4,000M characters
$- per 1M characters
$- per 1M characters
$- per 1M characters

Disconnected containers

Features Price per year Max usage per year Projected usage per month
Standard $- 120B characters 10B characters
$- 48B characters 4B characters

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Volume discount

Features Instance S2 Instance S3 Instance S4 Instance C2 Instance C3 Instance C4 Instance D3
Standard Translation $-/month
250M chars per month included
Overage: $- per million chars
$-/month
Up to 1B chars per month
Overage: $- per million chars
$-/month
Up to 10B chars per month
Overage: $- per million chars
S1 rates apply for standard (non-custom) translation S1 rates apply for standard (non-custom) translation S1 rates apply for standard (non-custom) translation
Document Translation
Using standard translation
$- per million chars of document translation $- per million chars of document translation $- per million chars of document translation $- per million chars of document translation $- per million chars of document translation $- per million chars of document translation $-/month
675M chars per month included
Overage: $- per million chars
Document Translation
Using custom translation
$- per million chars of document translation $- per million chars of document translation $- per million chars of document translation $-/month
Up to 62.5M chars per month
Overage: $- per million chars
$-/month
Up to 250M chars per month
Overage: $- per million chars
$-/month
Up to 2.5B chars per month
Overage: $- per million chars
Custom Translation
Translation
S1 rates apply for custom translation, model training and hosting S1 rates apply for custom translation, model training and hosting S1 rates apply for custom translation, model training and hosting $-/month
Up to 62.5M chars per month
Overage: $- per million chars
$-/month
Up to 250M chars per month
Overage: $- per million chars
$-/month
Up to 2.5B chars per month
Overage: $- per million chars
Custom Translation
Training
S1 rates apply for custom translation, model training and hosting S1 rates apply for custom translation, model training and hosting S1 rates apply for custom translation, model training and hosting $- per million source + target chars of training data (max. $300/training) $- per million source + target chars of training data (max. $300/training) $- per million source + target chars of training data (you are charged up to 30 million chars and free afterwards)
Custom Translation
Hosting
S1 rates apply for custom translation, model training and hosting S1 rates apply for custom translation, model training and hosting S1 rates apply for custom translation, model training and hosting $- per hosted custom translation model per region, per month $- per hosted custom translation model per region, per month $- per hosted custom translation model per region, per month

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Additional resources

Azure AI Translator

Learn more about Azure AI Translator features and capabilities.

Pricing calculator

Estimate your expected monthly costs for using any combination of Azure products.

Documentation

Review technical tutorials, videos, and more Azure AI Translator resources.

  • Standard Translation is an easy one-step process, in which you provide an input sentence and Azure's pre-trained models translate them into a target language. By contrast, Custom Translation is a two-step process, in which first you train your own models using training data you upload to the translation service. Once your model has been trained, you can perform the translation as you would with Standard Translation.

  • There are three billed activities that you can perform during Custom Translation:

    1. Model hosting: Hosting a model means that it is available to use for Custom Translation. You are charged a flat fee for every model that is hosted during a billing period. This is NOT pro-rated if the model is hosted for less than the full month.
    2. Training: Every time you train a model, you are charged a fee for every character in the training data. You are charged for characters in both the source and target languages of the training set, but there is a cap to how much you can be charged for any given training run, no matter how many characters are in your training data. This cap applies to each training run, i.e. you would be charged if you were to re-run the same set.
    3. Translation: You are charged for every character of text translated by your Custom Translation model.
  • The S1-S4 tiers are designed to provide discounts for users, who require high volumes of Standard Translation – not Custom – every month. While a discount is offered on the Standard Translation rate, S1-S4 tiers do not include a discount on Custom Translation. The C2-C4 tiers are intended to provide discounts to customers, who regularly perform high-volumes of Custom Translation. While a discount is offered on the Custom Translation rate, C2-C4 tiers do not include a discount on Standard Translation.

  • In order to receive volume discounts on both Standard and Custom Translation, you are required to allocate both an S1-S4 instance AND a C2-C4 instance, directing Standard Translation to the S instance and Custom Translation to the C instance.

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