Since July 15, 2025, AWS has added support for S3 vector stores for Bedrock knowledge bases, allowing for seamless storage and retrieval of embeddings for RAG workflows. Currently, it supports multiple stores:
| AWS-Managed | Non AWS-Managed |
|---|---|
| OpenSearch | MongoDB Atlas |
| S3 vector store | Pinecone |
| PostgreSQL | Redis Enterprise Cloud |
| Neptune |