What is
Tool calling
The model reaching outside itself for a live value: an exchange rate, a timetable, a stock level. It queries a named provider and returns what that provider says. Worth knowing who decides which tools get called. Not the model. The engineers who wired up the application, in server-side code.
Search is knowledge synthesis now.
…it connects fluid, drifting language to a knowledge base and pulls current content. Tool calling fetches live values from a specific provider. In parallel, the engine queries the Google Knowledge Graph, which stores the world as relationships between entities, not…