Building an AI-Powered YouTube Publisher with n8n, OpenAI Whisper, and Google Drive

Building an AI-Powered YouTube Publisher with n8n, OpenAI Whisper, and Google Drive You've got audio files sitting in Google Drive. You need them transcribed, analyzed, and published to YouTube with SEO-optimized metadata. Here's how to architect an automation that handles the entire pipeline using n8n, OpenAI's Whisper API, and the YouTube Data API. Architecture Overview This integration chains five core APIs: 1. Google Drive API → Retrieve audio/video files 2. OpenAI Whisper API → Transcribe audio to text 3. OpenAI GPT-4.1-mini → Generate metadata from transcript 4. Google Drive API → Download video file 5. YouTube Data API v3 → Upload with generated metadata Why this stack? Google Drive provides centralized file storage with robust search capabilities. Whisper offers high-accuracy transcription across languages. GPT-4.1-mini balances quality and cost for metadata generation. The YouTube API handles programmatic uploads with scheduling. Alternative considered: Zapier's YouTube integr