Automate Content to LinkedIn, Threads & More with GPT-5.5

Transform your content marketing from time-consuming manual posting to a fully automated, multi-platform publishing machine. This n8n workflow finds fresh articles, creates platform-native content with GPT-5.5, generates cinematic AI images, and publishes to LinkedIn, Threads, Pinterest, and Bluesky—all while you sleep.

What this workflow does

Every 23 hours, this intelligent automation pipeline springs into action. GPT-5.5 with live web search finds fresh, relevant articles based on your defined topic. The system then crafts platform-specific copy optimized for each channel's unique audience and format requirements. A cinematic AI image is generated and stored on Cloudflare R2, while all content gets organized in Notion for your quick 30-second review before going live across all four social platforms.

The entire process runs autonomously through four fully connected and documented workflows, handling everything from data ingestion to final publication. Your only involvement is a brief content approval in Notion—no more writing, formatting, or manual posting.

Use cases

• SaaS founders maintaining thought leadership without dedicating hours to content creation
• Content marketers scaling their output across multiple platforms simultaneously
• Digital agencies managing consistent social presence for multiple clients
• Solopreneurs building authority while focusing on core business activities

Technical details

Built with essential n8n nodes including If, S3, Set, Code, Filter, and Notion integrations. The workflow leverages OpenAI's GPT-5.5 API, Cloudflare R2 for image storage, Buffer for scheduling, and connects seamlessly with LinkedIn, Threads, Pinterest, and Bluesky APIs. Operating costs are minimal—approximately $1.00-$1.50 per post in OpenAI credits, while Cloudflare R2, Notion, Buffer free tier, and Bluesky remain within free usage limits.

See this exact workflow in action at the live accounts: LinkedIn (expansionledger), Threads (@expansionledger), Pinterest (expansionledger), and Bluesky (expansionledger.bsky.social)—all running completely automated with zero manual intervention.