Formerly known as Azure AI Services or Azure Cognitive Services is a unified collection of prebuilt AI capabilities within the Microsoft Foundry platform
Hello lothar ziegler
Thanks for reaching out to us here. On 1 October 2025, Language Understanding (LUIS) will be retired. Starting 1 April 2023, you will not be able to create new LUIS resources. All your existing LUIS resources and applications will continue to be fully supported until the retirement date. You can migrate your LUIS applications to the next generation service conversational language understanding, a capability of Azure Cognitive Services for Language.
Q. Why is LUIS being retired?
A. Given new advancements in computation capabilities and natural language models, the old service needs to be retired and replaced with a new architecture to bring you the best of Azureâs Language capabilities.
- Enhanced AI quality using state-of-the-art machine learning modelsÂ
- Multilingual capabilities that allow you to train in one language and predict in othersÂ
- Built-in routing between conversational language understanding and custom question answering projects using orchestration workflowÂ
- Access to a suite of features available on Azure Cognitive Services for LanguageÂ
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Q. When is the retirement happening?
A. 1 October 2025
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Q. Can I use my resources till the retirement date?
A. . On 1 October 2025, Language Understanding (LUIS) will be retired. Starting 1 April 2023, you will not be able to create new LUIS resources. All your existing LUIS resources and applications will continue to be fully supported until the retirement date
To avoid disruptions to your applications that use Language Understanding (LUIS), first review pricing for the conversational language understanding feature of Cognitive Service for Language. Then, before 1 October 2025:Â Â
- Create a Cognitive Service for Language resource. Â
- Follow the steps to migrate your LUIS applications to conversational language understanding.Â
- If you use the LUIS SDK or REST APIs to query your applications, review the documentation to learn how to call the conversational language understanding APIs and make the appropriate code changes. Â
I hope this helps.
Regards,
Yutong
-Please kindly accept the answer if you feel helpful to support the community, thanks a lot.
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