OpenAI Fires Back at DeepSeek With a New Reasoning Model: o3-mini (n8n AI Agent)

In this tutorial, I’ll show you how to integrate OpenAI’s new reasoning model, O3 Mini, into n8n to build AI agents that support tool calling. A reasoning model that can call tools, like OpenAI’s O3 Mini, is a game-changer for AI agents because it allows them to take action beyond just generating text. Unlike models like DeepSeek R1, which are purely reasoning-based and lack built-in tool-calling capabilities, O3 Mini can interact with external APIs, databases, and applications in real time.

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TIMESTAMPS
00:00 Quick Demo
01:44 What is o3-mini?
02:34 o3-mini Chat Model
04:32 Breaking Down the Agent
07:14 The Agent System Prompt
08:45 Testing/Result


Gear I Used:
Camera: Razer Kiyo Pro
Microphone: HyperX SoloCast