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Alibaba has open-sourced Zvec, a vector database used internally for years. It supports billion-scale vector retrieval in milliseconds, can be embedded into application processes without a separate service, and is completely free. It serves as a replacement for paid services like Pinecone.
China open-sourced Zvec, an in-process vector database that runs inside apps without servers, supporting billions of vector searches in milliseconds and battle-tested at Alibaba scale.