Demo Application for LangChain4J with Spring

Setup

When using OpenAI, setup your API key with this environment variable: OPENAI_API_KEY
The OpenAI cost for running this project with the default model should be a few cents at most.
See application.properties for more details

Calls to the LLM (simple call, parameters, entities)

See BookService and BookServiceTest

Use an Image as Input and ask questions about the image

See ImageService and ImageServiceTest

Using an in-memory Vector Database

See RagService and RagServiceTest

Using tools (function calling)

See Tools, AssistantWithTools and AssistantWithToolsTest