Multimodal RAG with the Gemini API File Search Tool: A Developer Guide

The File Search tool in the Gemini API now supports multimodal retrieval by adding support for Gemini Embedding 2 . This update allows images, such as charts, product photos, and diagrams, to be natively indexed and searched in the same store as your text-based documents. This post covers how to use the File Search tool end-to-end: creating a store, uploading documents and images, querying with grounded generation, and retrieving image citations. What is File Search? Here's an example app you ca