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Learn to integrate OpenAI's new O3 Mini reasoning model into n8n to build AI agents with tool-calling capabilities in this 12-minute tutorial. Discover how O3 Mini's ability to interact with external APIs, databases, and applications in real-time makes it superior to purely reasoning-based models like DeepSeek R1 that lack built-in tool-calling features. Start with a quick demonstration of the agent in action, then explore what makes O3 Mini unique as a reasoning model. Walk through setting up the O3 Mini chat model in n8n and break down the complete agent architecture. Examine the system prompt configuration that enables the agent's reasoning and tool-calling abilities, then see the agent tested with real-world scenarios to understand its practical applications for business automation.
