OpenAI’s function calling feature lets developers link GPT models to external tools and data sources, producing structured, reliable outputs instead of only free‑form text. By defining functions with ...

As OpenAI has gained more popularity than ever thanks to the launch of ChatGPT last fall, its application programming interface (API) has also become a sought-after tool for developers. Different ...

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Function calling is redefining AI applications by letting models trigger external tools or APIs with structured inputs. OpenAI and Google’s Gemini API now enable this, allowing AI to fetch real-time ...