Teach your apps to understand commands from your users
Language Understanding (LUIS) offers a fast and effective way to add language understanding to applications. With LUIS, you can use pre-existing, world-class, pre-built models whenever they suit your purposes. When you need specialised models, LUIS guides you through the process of quickly building them.
Explore pricing options
Apply filters to customise pricing options to your needs.
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.
US government entities are eligible to purchase Azure Government services from a licensing solution provider with no upfront financial commitment, or directly through a pay-as-you-go online subscription.
Important—The price in R$ is merely a reference; this is an international transaction and the final price is subject to exchange rates and the inclusion of IOF taxes. An eNF will not be issued.
US government entities are eligible to purchase Azure Government services from a licensing solution provider with no upfront financial commitment, or directly through a pay-as-you-go online subscription.
Important—The price in R$ is merely a reference; this is an international transaction and the final price is subject to exchange rates and the inclusion of IOF taxes. An eNF will not be issued.
Pay-as-you-go
| Instance | Transactions Per Second (TPS)1 | Features | Price | |
|---|---|---|---|---|
| Free2 authoring – Web |
5 TPS | Text requests | 1 million authoring transactions and 1,000 testing prediction transactions* for free per month | N/A in selected region |
| Free2 prediction – Web/Container |
5 TPS | Text requests | 10,000 prediction transactions* free per month N/A in selected region | |
| Standard - Web/Container |
50 TPS | Text requests | $- per 1,000 prediction transactions* | |
| Speech requests | $- per 1,000 prediction transactions* |
Commitment tiers
| Instance | Features | Price (per month) | Overage |
|---|---|---|---|
| Azure – Standard | Text requests |
$- per 1M transactions $- per 5M transactions $- per 25M transactions |
$- per 1,000 prediction transactions $- per 1,000 prediction transactions $- per 1,000 prediction transactions |
| Connected container – Standard | Text requests |
$- per 1M transactions $- per 5M transactions $- per 25M transactions |
$- per 1,000 prediction transactions $- per 1,000 prediction transactions $- per 1,000 prediction transactions |
Disconnected Containers
| Features | Price per year | Max usage per year | Projected usage per month |
|---|---|---|---|
| Text requests | $- | 300M transactions | 25M transactions |
| $- | 60M transactions | 5M transactions |
Azure pricing and purchasing options
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Explore your optionsAdditional resources
Language Understanding (LUIS)
Learn more about Language Understanding (LUIS) features and capabilities.
Pricing calculator
Estimate your expected monthly costs for using any combination of Azure products.
Documentation
Review technical tutorials, videos, and more Language Understanding (LUIS) resources.
Frequently asked questions
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For text requests, a transaction is an API call with query length up to 500 characters.
For speech requests, a transaction is an utterance with query length up to 15 seconds long.
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No, the free tier only includes text requests with max. length of 500 characters.
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Dispatch is a feature that enables processing two models/applications with one API call.
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Build, manage and publish your app using an authoring key while querying endpoints with the prediction key. Learn more
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Learn more about authoring and publishing regions
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It is a batch prediction request that provides evaluation results on the published model. Learn more
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