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Applies to: 
SQL analytics endpoint in Microsoft Fabric and Warehouse in Microsoft Fabric
AI_SUMMARIZE creates a concise summary of the input text.
Note
AI_SUMMARIZEis in preview.AI_SUMMARIZEis available only in SQL analytics endpoint and Warehouse in Microsoft Fabric.
Syntax
Transact-SQL syntax conventions
AI_SUMMARIZE ( text )
Arguments
text
An expression of a character type, for example nvarchar, varchar, nchar, or char.
Return types
Returns nvarchar containing the generated summary.
Remarks
AI functions return NULL if the AI model can't process the text. Common reasons include:
- Responsible AI rules block inappropriate content in the input text.
- Input text exceeds token limits. The current model supports up to 15 KB of text.
Examples
A. Summarize a sentence
SELECT ai_summarize('The hotel was clean and staff were friendly.') AS summary;
Expected result: Clean hotel, friendly staff.
B. Summarize review text in a table
SELECT review_id,
ai_summarize(review_text) AS review_summary
FROM dbo.hotel_reviews;