Grounding metadata is the structured payload returned by LLMs that exposes search queries, browsed sources, and segment-level source attributions, parsed from Google Gemini response structures and OpenAI web search actions.
flowchart TD
Resp[LLM Grounded API Response] --> Meta[Grounding Metadata]
Meta --> Queries[webSearchQueries]
Meta --> Chunks[groundingChunks]
Meta --> Supports[groundingSupports]
Queries --> QDesc[Search queries executed]
Chunks --> CDesc[Web sources and URLs browsed]
Supports --> SDesc[In-text span attributions]Referenced by