Google Cloud AlloyDB

AlloyDB AI provides integrated vector search with pgvector extension and direct Vertex AI integration for embeddings generation within SQL. Pricing starts around $0.10/hour for smallest instances plus storage ($0.0004/GB/hour). AlloyDB Omni extends the engine to run anywhere (on-premises, other clouds, edge) with same performance characteristics. Key features include columnar engine for analytics acceleration, intelligent caching, and ML-based vacuum optimization. The Vertex AI integration enables EMBEDDING() function calls directly in SQL queries without external API calls. AlloyDB for AI workloads combines transactional database with vector similarity search, useful for RAG applications maintaining operational and semantic data together.