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 exampl...