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#GPT-4o.
GPT-4o tutorials covering multimodal AI capabilities, API integration, and building with the latest GPT model.
2 posts
Dec 2025 – Mar 2026
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OpenAI 5 min read
OpenAI Agent Skills: Mastering Function Calling & Tools
Learn to use OpenAI function calling with GPT-4o. Define tools, handle tool_calls, and return results with a complete Node.js example for autonomous AI agents.
Vishnu
Cheatsheet 5 min read
OpenAI API Cheat Sheet: GPT-4o, Tools & Assistants
Master the OpenAI API with this guide to GPT-4o, function calling, structured outputs, and Assistants. Includes DALL-E 3, Whisper, and embedding examples.
Vishnu
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