Timescale Vector, integrated with LlamaIndex, enhances AI applications by utilizing PostgreSQL as a vector database, offering rapid vector similarity searches and efficient time-based filtering. It introduces a new search index inspired by the DiskANN algorithm, achieving significantly faster search speeds compared to specialized databases and existing PostgreSQL indexes. This integration simplifies the AI infrastructure by combining vector embeddings, relational, and time-series data within a single PostgreSQL database, thereby reducing operational complexity. Timescale Vector's time-based semantic search capabilities allow for retrieval augmented generation (RAG) with time-based context retrieval, enhancing the relevance of AI responses. Developers can leverage PostgreSQL's robust ecosystem for metadata handling and multi-attribute filtering, enabling richer and more contextually aware AI applications. With features like automatic time partitioning and comprehensive support for vector workloads, Timescale Vector provides a production-ready platform with enterprise-grade security and flexible pricing, available for a free 90-day trial for LlamaIndex users.