Can a model call multiple functions at once?
Yes, modern models support Parallel Function Calling, allowing them to suggest multiple tool calls in a single turn.
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More FAQs in Understanding OpenAI Function Calling and Tool Use
No, the model only tells you *which* function to call and with *what* arguments. You must run the code on your server.
The model uses the function and parameter descriptions to understand when it should call the function and what data it needs.
Since the model only returns arguments, you can validate and sanitize inputs in your code before running queries.
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