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Jun 9, 2026 3:25:24 PM

What are AI tools / function calling?

By dotsquares 1 minute read

Function calling lets an LLM emit structured JSON to invoke developer-defined functions (e.g. get_weather, run_query) rather than answering in plain text. The developer executes the function, returns the result, and the model incorporates it into its response. It is the primary mechanism for giving LLMs access to live data and side-effecting actions.

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