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