# Hands-on Guide: Autonomous AI Agents on Open-Source Stack & Free APIs

> If you want to build an AI agent, the first question is usually not \"which architecture to choose\", but \"where do I even start and what do I need\".

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> **[Restricted Content]**
> The full version is available to AI-Base / Plus subscribers or via one-time purchase.
> Open the full guide on the website: https://gotburnout.io/en/guides/ai_base/open-source-ai-agent-stack