13.6B dense architecture
All parameters stay active so LongCat Video keeps subjects stable across frames.
Long-form video, reimagined
Turn an idea into a world in motion
Create coherent 720p video from text or images with stable motion, cinematic framing, and continuation built for longer stories.
Free signup credits720p at 30fpsMIT open model
Official LongCat Video demos
Inspect real motion, continuity, and image quality before starting your own render.
Official LongCat demo720p / 30fps
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Three ways to get more credits
Start with your signup bonus, publish to Gallery, or buy a larger pack when you want to keep generating.
Create and earnPublish to Gallery
Submit a finished video for review and earn 30 credits when it is approved.
Open studioCommunity showcase
See what creators are making
A rotating showcase of approved creator videos from the community.
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Platform Transparency
LongCat Video is an independent wrapper that provides a user-friendly interface on top of LongCat and other third-party AI models. We focus on clearer UI, extra video tools, flexible pricing, and support that replies within 3 business days.
Built for production teams
Everything you need to keep long videos coherent, on-brand, and easy to review.
Coarse-to-fine speedup
Generate fast drafts then refine to crisp 720p 30fps without rerunning the whole clip.
Block Sparse Attention
Less than 10% of the usual attention cost, making longer generation more efficient.
GRPO multi-reward tuning
Balances visual quality, motion quality, and text alignment for prompt-faithful outputs.
Continuation-native training
Pretrained on continuation, so extending clips feels natural with fewer sudden resets.
MIT license and open weights
Use LongCat Video commercially, fine-tune privately, and deploy the workflow anywhere.
Stable long-form video
Dense parameters, continuation-native training, and efficient attention keep stories stable across hundreds of frames.
Text-to-video, image-to-video, continuation
One LongCat Video stack covers prompts, still-frame extensions, and clip stitching so teams can storyboard once and render straight through.
720p 30fps minutes-long output
Train-time video continuation plus GRPO rewards keep objects stable and motion natural for multi-minute runs.
Dense 13.6B > MoE 28B
All parameters fire every frame, helping LongCat Video hold alignment and visual quality without huge hardware.
Open and deployable
MIT licensing, reproducible seeds, and browser-friendly tools make LongCat Video practical for research, product, and creative pipelines.
Why teams choose LongCat Video
Open, fast, and consistent for real production workflows.
13.6B dense
All-parameter LongCat Video core for stable frames
720p 30fps
Default LongCat Video quality for smooth playback
Minutes-long
Continuation + GRPO keep stories coherent past 60s
MIT
Open-source LongCat Video license for commercial use
Create in 3 steps
Prompt or upload, render, then publish. Long clips without jitter.
Step 1: Write or paste your prompt
Describe scene, camera, motion, and duration. Add seed for reproducible LongCat Video runs.
Step 2: Add an image (optional)
Use image-to-video or continuation to keep style and layout locked while LongCat Video extends the story.
Step 3: Render 720p 30fps
Coarse-to-fine rendering plus Block Sparse Attention keep LongCat Video outputs smooth for minutes. Export MP4, GIF, or thumbnails.
Frequently asked questions
Answers about quality, licensing, hardware, and prompt writing.
Need help? Email support@longcat-video.comLongCat Video refers to the open-source model family and this site provides an independent, creator-friendly interface for experimenting with those workflows.
Latest blog posts
Tutorials, guides, and updates from the LongCat Video team.
Jan 31, 2026
How to Create Sports Coaching Animation Videos with LongCat Video
Prompt techniques, resolution strategies, and workflow tips for creating professional sports training videos with AI.
Read moreJan 25, 2026
LongCat Video: The Complete Guide to AI Video Generation
Learn how to use LongCat AI video generation, ComfyUI workflows, download guides, and advanced prompting techniques.
Read moreJan 24, 2026
LongCat Video: Smooth Cinematic Motion for Long-Form Storytelling
Why continuity, motion stability, and prompt fidelity make LongCat Video useful for long-form creative production.
Read moreReady to launch long-form clips?
Use LongCat Video to turn prompts or images into 720p 30fps stories without drift.
Start creating