Data and AI releases

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Sigma Computing, April 2026 new features

4 releases · 1 product · 3 GA · 1 Beta

What's new in Sigma

Admin AWS signature V4 authentication for API connectors API connectors now support the AWS signature V4 authentication method. For more information, see Configure API credentials and connectors in Sigma .

GA
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What's new in Sigma

AI Ask Sigma is now Sigma Assistant Ask Sigma is now Sigma Assistant, and includes the following: Improved accuracy and performance when answering questions and performing analysis. Higher quality data source selection, relying on a new semantic search service that indexes configured sources using the AI provider set up for your organization.

Beta
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What's new in Sigma

AI apps Input table audit history (Beta) Input table audit history records versioned snapshots of input table row and schema changes over time. For each input table, Sigma automatically creates a warehouse-native view in your data platform that can help you understand the following: Row-level history: What changed in a specific row, who made the change, and...

GA
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What's new in Sigma

AI New model used for Snowflake AI provider If you use a warehouse-hosted AI provider with a Snowflake connection, and your Snowflake account is hosted on AWS, Sigma now uses claude-sonnet-4-5 as the LLM. For more details, see Configure a warehouse-hosted model as AI provider .

GA
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