Public Preview: Azure Cosmos DB spherical quantization for improved vector search

Microsoft announced a preview of this Azure Cosmos DB update in May 2026.

In preview1 version

Facts

Microsoft id
561167
Status
In preview
Products
Azure Cosmos DB
Update type
Features
Product categories
Databases, Internet of Things
Preview
May 2026
Status pages
Azure Cosmos DB status
First captured by us
(from our first import of this list)
Microsoft last modified
Source
Azure Updates · open the original at Microsoft

Microsoft says

Azure Cosmos DB now offers spherical quantization in public preview to help you achieve faster vector indexing with higher recall and accuracy at scale.

Azure Updates,

Read Microsoft's full post

What Microsoft changed

One version so far. If Microsoft edits it, each change shows here with what was removed and added.

  1. First version we captured ·

    As first seen: In preview
    Status
    In preview

    Seen by us · Microsoft's timestamp · Microsoft's page

Other changes for Azure Cosmos DB

Last updated