GPT5 + VEO3 : Create and Post Social Media Videos on Autopilot

Learn how to auto-create and auto-post social media videos with GPT-5, VEO3 and Postiz in this step-by-step automation tutorial. This GPT-5 + VEO3 social media automation workflow shows you exactly how to automatically generate and publish videos for Instagram, TikTok, and other platforms using AI — no manual editing required. In this video, you’ll see how to: ✅ Use GPT-5 to generate high-converting short-form video scripts ✅ Create AI videos with VEO3 for Instagram, TikTok, YouTube Shorts ✅ Set up a no-code automation to post videos automatically ✅ Build a workflow in n8n that runs your content creation on autopilot Sign up for n8n here: https://n8n.partnerlinks.io/automatewithmarc Try Postiz here: https://postiz.com/?ref=marconi Download this Free Workflow Template here: https://n8n.io/workflows/7287-auto-create-and-post-social-media-reels-with-google-veo-3-ai-and-gpt/ Get in touch with me by following my IG handle: automatewithmarc Any inquiries, email: automatewithmarc@gmail.com Timestamps: 00:00 Intro to GPT-5 + VEO3 social media automation 00:19 Setting up the n8n workflow for AI video creation 00:38 Integrating GPT-5 for auto video script generation 01:08 Configuring auto-posting for social media with Postiz 01:18 Switching AI agents and optimising prompts in GPT-5 01:46 Building the GPT-5 + VEO3 workflow structure in n8n 02:04 Triggering the automation for content creation 02:35 Creating the VEO3 AI video generation process 02:45 Signing up and setting up Postiz for social posting 03:18 Connecting social media accounts (Instagram, TikTok, YouTube) 03:39 Configuring API keys for GPT-5, VEO3, and Postiz 05:11 Testing and debugging GPT-5 + VEO3 workflow 08:53 Finalising your AI-powered social media automation 12:17 Conclusion, results, and workflow cost analysis Related Videos: GPT-5 Put to test: https://www.youtube.com/watch?v=KkygREXmkkY&list=PL05w1TE8X3baEGOktlXtRxsztOjeOb8Vg&index=1 Autopost with Blotato: https://www.youtube.com/watch?v=s-KzxeKWmIA&list=PL05w1TE8X3baEGOktlXtRxsztOjeOb8Vg&index=1 Create video with VEO3: https://www.youtube.com/watch?v=x7nHpcggpX8&t=11s&list=PL05w1TE8X3baEGOktlXtRxsztOjeOb8Vg&index=1 Connect OpenAI to n8n: https://www.youtube.com/watch?v=vQ0qNon067c&t=47s&list=PL05w1TE8X3bbH-W5Y4eyEQY3p0j1iXL6H&index=1&t=380s Post-to-Socials Node JSON Chunk: https://docs.google.com/document/d/17PnQOW1FAL547pVHTvuJTkDHX0GqxB5gAw31yvybgO4/edit?usp=sharing (Format it with GPT if invalid JSON) 💡 Connect with me: Instagram: / automatewithmarc LinkedIn: linkedin.com/in/marconi-darmawan Email: automatewithmarc@gmail.com 💡 Buymeacoffee https://buymeacoffee.com/automatewithmarc #GPT5 #OpenAI #AIWorkflow #AIAutomation #n8n #n8ntutorial #veo3 #aiagent #socialmediaautomation