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Glossary · Term
Tool Use
L3 · AdvancedFast-moving
In plain terms
Letting a model call functions to act or fetch data.
Technical definition
A mechanism where the model emits a structured call (name plus arguments matching a schema); the runtime executes it and returns the result into the context. Also called function calling.
Example
The model calls get_weather(city) and uses the JSON result in its reply.