Cloudflare Vectorize

Managed edge database using SQLite with sqlite-vec for per-tenant vector stores. Provides isolation via one database per tenant, suitable for edge deployments.

Upstash Vector is a serverless, cloud-hosted vector database with managed scale-to-zero autoscaling, pay-per-use pricing, low-latency search, and support for billions of vectors across regions. Ideal for enterprise RAG and production AI similarity search applications. Simpler and more cost-effective than self-hosted Milvus or Zilliz for variable workloads.

Cloudflare's globally-distributed vector database running on their edge network. Provides low-latency vector search with automatic global replication and serverless pricing starting at $0.31/month.

Search platform with vector search capabilities for fast and relevant AI-powered recommendations and discovery.

Managed database built on Cassandra with vector search capabilities, excelling in real-time updates and immediate consistency. Ideal for operational workloads requiring high throughput.

Managed vector search service as part of Google Vertex AI, enabling efficient similarity search over high-dimensional vectors for AI applications.