Infinity Data is an open-source, self-hostable service in Rust that combines approximate nearest-neighbour vector search with analytics tables, for teams that want to own their vector and data layer.
Pinecone is a widely-used commercial managed vector database for similarity search and retrieval workloads.
Pinecone is a mature managed service with proven scale and operational simplicity. Infinity Data is a newer, self-hosted alternative in active development — benchmark recall, scale and operational effort for your workload before adopting.