Fc

Function Calling

Category: PrimitivesLevel: Intermediate
HIGH DEMAND
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Fc
Primitives

Function Calling

Function calling allows LLMs to output structured data (like JSON) that effectively calls external functions or APIs, bridging the gap between text generation and actionable software execution.

Why it exists

  • LLMs don't know your private data
  • LLMs hallucinate confidently
  • Function Call bridges AI + real knowledge

Used in

AI SearchEnterprise ChatKnowledge AssistantsMedical AI

What is Function Call?

Function calling lets AI use tools and do things, not just talk! Like giving a robot hands so it can actually do tasks.

👶 For Beginners

Function calling lets AI use tools and do things, not just talk! Like giving a robot hands so it can actually do tasks.

👨‍💻 For Developers

Function calling allows LLMs to output structured data (like JSON) that effectively calls external functions or APIs, bridging the gap between text generation and actionable software execution.

🚀 For Founders

Function calling transforms LLMs from chatbots into agents that can interact with your product, APIs, and tools. Essential for building AI that acts, not just talks.

How it works

UserLLMRetrieveVector DBContextAnswer

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