Stop Re-Prompting
Your Characters and Style
for Every Video
Build your Universe once with your characters, style, and voice. Then generate unlimited consistent videos from simple prompts.
Traditional AI Tools
- →Prompt character
- →Re-prompt character
- →Re-prompt again
Endless effort for inconsistent results
LongStories Universes
- ✓Build Universe once
- ✓Write simple prompt
- ✓Keep creating
Consistent stories with little effort
Why You're Stuck Re-Prompting
Every AI video tool promises speed. But when you're building a series or a channel, you hit the same wall:
Your characters look different every time because you're starting from scratch
You spend more time prompting than creating as you try to recreate the same style
Scaling feels impossible when every video requires the same manual setup
You care about your craft. You want content that reflects your standards. Universes solve this.
What Is a Universe?
Your reusable video template. Build it once, use it forever.
Build Once
Define your characters, style, voices
Simple Prompts
"Episode 5: Professor discovers time travel"
Unlimited Videos
Same style, every time
Characters
Persistent faces, personalities, traits
Visual Style
Animation aesthetic, colors, lighting
Voice & Tone
Narrative style, pacing, emotion
World
Setting, environment, consistency rules
Quality Without Compromise
You don't want AI slop. Neither do we. That's why we built three animation quality modes:
No Animation
Static scenes for rapid drafting and concept testing
Fast Animation
Balanced motion for efficient production
Pro Animation
Premium quality for final published content
Plus: Scene editing in the platform and bulk download of all assets for easy editing in any other platform.
Built for Scale
API Access
Automate your workflow
10-Minute Videos
Meet YouTube monetization requirements
Bulk Asset Download
Edit in any platform
How Creators Use Universes
We were working with a team to create shots for our YouTube series, and we couldn't work on more than 1 episode per week. Now we can make several a day.
Film Studio using LongStories
Ready to Build Your First Universe?
Start creating consistent, high-quality long-form videos today. No credit card required.
FAQ
How long does it take to build a Universe?
10–15 minutes for your first one. Once you understand the workflow, you can create new Universes in about 5 minutes.
How is this different from other AI video tools?
Most AI tools make you re-describe everything for each video. Universes remember your setup, so you only define it once and generate unlimited consistent videos.
What if I want to change something in my Universe later?
You can edit your Universe anytime. Changes apply to new videos, while existing videos stay consistent with their original version.
Can I export videos to edit elsewhere?
Yes, you can bulk download all assets for easy editing in any platform. We also offer scene editing within the platform.