Generate Cinematic Videos from Text Prompts with GPT-4o, Fal.AI Seedance & Audio

Description

Who’s it for?

This workflow is built for:
AI storytellers, **content creators, YouTubers, and short-form video marketers
Anyone looking to transform text prompts into cinematic AI-generated videos fully automatically
Educators, **trainers, or agencies creating story-based visual content at scale

What It Does

This n8n workflow allows you to automatically turn a simple text prompt into a multi-scene cinematic video, using the powerful Fal.AI Seedance V1.0 model (developed by ByteDance — the creators of TikTok).

It combines the creativity of GPT-4o, the motion synthesis of Seedance, and the automation power of n8n to generate AI videos with ambient sound and publish-ready format.

How It Works

Accepts a prompt from Google Sheets (configurable fields like duration, aspect ratio, resolution, scene count)
Uses OpenAI GPT-4o to write a vivid cinematic narrative
Splits the story into n separate scenes
For each scene:
GPT generates a structured cinematic description (characters, camera, movement, sound)
The Seedance V1.0 model (via Fal.AI API) renders a 5s animated video
Optional: Adds ambient audio via Fal’s MM-Audio model
Finally:
Merges all scene videos using Fal’s FFmpeg API
Optionally uploads to YouTube automatically

Why This Is Special

Fal.AI Seedance V1.0** is a highly advanced motion video model developed by ByteDance, capable of generating expressive, stylized 5–6 second cinematic clips from text.
This workflow supports full looping, scene count validation, and wait-polling for long render jobs.
The entire story, breakdown, and scene design are AI-generated — no manual effort needed.
Output is export-ready: MP4 with sound, ideal for YouTube Shorts, Reels, or TikTok.

Requirements

n8n (Self-hosted recommended)
API Keys:
Fal.AI (https://fal.ai)
OpenAI (GPT-4o or 3.5)
Google Sheets Example Google Sheet

How to Set It Up

Clone the template into your n8n instance
Configure credentials:
Fal.AI Header Token
OpenAI API Key
Google Sheets OAuth2
(Optional) YouTube API OAuth
Prepare a Google Sheet with these columns:
story (short prompt)
number_of_scene
duration (per clip)
aspect_ratio, resolution, model
Run manually or trigger on Sheet update.

How to Customize

Modify the storytelling tone in GPT prompts (e.g., switch to fantasy, horror, sci-fi)
Change Seedance model params like style or seed
Add subtitles or branding overlays to final video
Integrate LINE, Notion, or Telegram for auto-sharing

Example Output

Prompt: “A rabbit flies to the moon on a dragonfly and eats watermelon together”
→ Result: 3 scenes, each 5s, cinematic camera pans, soft ambient audio, auto-uploaded to YouTube
Result