Automate AI News Videos with GPT-4o, Heygen Avatars, and Blotato

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Built by David Olusola David Olusola
Created on June 05, 2026

Description


Turn your ideas into engaging videos, talking avatars, and scheduled posts β€” all on autopilot.

πŸš€ How It Works: 3 Steps to AI-Generated Video Posts

πŸ€– AI Researches & Creates Your Video Script

Automatically fetches trending AI/LLM stories from Hacker News
Generates a 30-second viral video script with:
Attention-grabbing hook
Balanced analysis with statistics
Call-to-action ("Hit follow to stay ahead in AI!")
Writes two caption versions:
Long (50 words + hashtags)
Short (2 sentences for platforms like Twitter/Threads)
πŸŽ₯ Heygen Generates the AI Avatar Video

Uses your preferred Heygen avatar/voice (configure in "Setup Heygen")
Applies a professional background video (included)
Processes the video in ~8 minutes (wait time adjustable)
πŸ“£ Auto-Publishes to 10+ Platforms via Blotato

Uploads video to Blotato’s CDN
Publishes natively to:
βœ… Instagram | βœ… YouTube | βœ… TikTok | βœ… LinkedIn
βœ… Twitter/X | βœ… Facebook | βœ… Threads (coming soon)
Platform-specific optimizations:
Instagram/YouTube: Long captions + hashtags
Twitter/Threads: Short captions
TikTok: Vertical video formatting
⏱️ Full Automation Timeline

AI Research β†’ Scriptwriting β†’ Video Generation β†’ Multi-Platform Publishing
(Runs daily at 10 AM or your custom schedule)

πŸ› οΈ Key Features

No Manual Work: Fully hands-off after setup

Customizable: Adjust AI prompts, avatars, or add platforms

Nodes Used (4)

AI Agent
@n8n/n8n-nodes-langchain.agent
HTTP Request
n8n-nodes-base.httpRequest
OpenAI
@n8n/n8n-nodes-langchain.openAi
OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi