The Spring AI is a new project of the Spring ecosystem that streamlines the creation of AI applications in Java. By using Spring AI together with PostgreSQL pgvector, you can build generative AI applications that draw insights from your data.

First, this article introduces you to the Spring AI ChatClient that uses the OpenAI GPT-4 model to generate recommendations based on user prompts. Next, the article shows how to deploy PostgreSQL with the PGVector extension and perform vector similarity searches using the Spring AI EmbeddingClient and Spring JdbcClient.