LongCat Video — open-source AI for minutes-long 720p clips
LongCat Video is a 13.6B dense model that keeps motion smooth, color stable, and prompts faithful for text-to-video, image-to-video, and video continuation. Generate coherent 720p 30fps sequences that actually run minutes long.
Use a publicly accessible URL (jpg/png/webp/gif/avif).If it's from Google Drive/Dropbox/OneDrive/iCloud, make sure the file is public or shareable.No public link handy? Upload to store it on R2 and auto-fill the URL.
Cost 150 creditsRemaining 0 credits
Platform Transparency
LongCat Video is an independent wrapper that provides a user-friendly interface on top of LongCat and other third-party AI models (accessed via providers like FAL). We are not affiliated with or endorsed by any model vendor. We focus on clearer UI, extra video tools, flexible pricing, and support that replies within 3 business days.
Teams adopt LongCat Video for long-form AI footage
LongCat Video features for production teams
Everything you need to keep long videos coherent and on-brand.
13.6B dense architecture
All parameters stay active so LongCat Video keeps subjects stable across frames.
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, so LongCat Video runs longer without melting GPUs.
GRPO multi-reward tuning
Balances visual quality, motion quality, and text alignment for prompt-faithful LongCat Video outputs.
Continuation-native training
Pretrained on continuation, so extending clips feels natural—no sudden resets or color drift.
MIT license & open weights
Use LongCat Video commercially, fine-tune privately, and deploy anywhere.
Why LongCat Video wins long form
Open, fast, and consistent for real productions.
13.6B dense All-parameter LongCat Video core for stable frames
13.6B dense
All-parameter LongCat Video core for stable frames
720p 30fps Default LongCat Video quality for smooth playback
720p 30fps
Default LongCat Video quality for smooth playback
Minutes-long Continuation + GRPO keep stories coherent past 60s
Minutes-long
Continuation + GRPO keep stories coherent past 60s
MIT Open-source LongCat Video license for commercial use
MIT
Open-source LongCat Video license for commercial use
Create with LongCat Video in 3 steps
Prompt or upload → LongCat Video → publish. Long clips without jitter.
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Step 1: Write or paste your prompt
Describe scene, camera, motion, and duration. Add seed for reproducible LongCat Video runs.
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Step 2: Add an image (optional)
Use image-to-video or continuation to keep style and layout locked while LongCat Video extends the story.
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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.
Answers about quality, licensing, hardware, and prompt writing for LongCat Video.
Ready to launch long-form clips with LongCat Video?
Use LongCat Video to turn prompts or images into minutes-long 720p 30fps stories without drift.