Embeddings as an Attribute: DynamoDB Vector Search
On 5 August 2026 DynamoDB got native vector search. The interesting part is not that DynamoDB can run similarity queries, since several AWS services already do that. It is that the embedding is an ordinary attribute on an ordinary item, so the row and the vector that represents it commit in the same PutItem. This post covers what shipped, why that single write matters, the two use cases it fits best, and what to watch before building on it. ...