Longcat
4 modes on this page
Longcat turns a text prompt into a video clip. Pick a mode, write the prompt, run it in the studio.
Input
FormMode
Prompt
Image URL*
Number of Frames
FPS
Video Write Mode
Result
PreviewMotion preview, not Longcat output
$0.04 per second·~90s
What Longcat is for
Longcat from Meituan turns a written prompt into a short video clip. Runtime is about 90 seconds and compute is $0.04 per second. Modes on this page: Image to Video (720p), Text to Video (720p), Text to Video (480p), and Image to Video (480p). It is a clip generator, not a full training-video editor.
Longcat is billed in Knowlify credits at the compute cost ($0.04 per second). A typical run is about 90 seconds. Published rate: Your request will cost $0.04 per generated second of video. Generated seconds are calculated at 30 frames per second.
Pick Longcat for text to video at $0.04 per second and ~90s. Compare it with Longcat Avatar, Longcat Distilled, Longcat Image on the related cards below if you need a different look, speed, or input type.
How to use Longcat
- 1. Upload the still Longcat should start from, then write the change or motion in Input.
- 2. Run it. The prompt and file hand off to the Knowlify studio, where Longcat generates.
- 3. Stay in the studio if you want that frame or clip inside a longer narrated video.
What you need
- A prompt that names the subject, camera move, and lighting.
- A source still (PNG or JPG) for the model to start from.
- Aspect Ratio (16:9, 9:16, 1:1).
- Video Write Mode (fast, balanced, small).
Example prompt
an astronaut standing in a field of sunflowers, visor down, octane 3D render, subsurface, chrome accents, no text, no watermark, slow cinematic camera move, natural motion
Frequently asked questions
How do I run Longcat?
Run Longcat on Knowlify at /generate/longcat. This page has 4 modes in one dropdown. Write the prompt on this page and it opens in the studio, where Longcat generates a short clip. The same studio also turns documents into full narrated videos.
Where can I use Longcat online?
On Knowlify (Meituan's model, knowlify.com/generate/longcat). You do not need a separate playground. Longcat runs in the studio next to document-to-video.
Can I make a longer video with Longcat?
Longcat itself produces a short clip. On Knowlify you can take that output, or skip it and upload a document, and generate a full narrated video with a script you can edit.
What do I need to run Longcat?
A prompt and a source still. Longcat will not invent the starting frame for you on this mode.
How long does Longcat take?
Plan on about 90 seconds for a typical run, then whatever queue time the studio has. Video models sit at the high end of that range.
Does Longcat have more than one mode?
Yes. This page has 4 modes: Image to Video (720p), Text to Video (720p), Text to Video (480p), and Image to Video (480p). Switch them in the Mode dropdown instead of opening a new URL.
What does LongCat Video cost?
Your request will cost $0.04 per generated second of video. Generated seconds are calculated at 30 frames per second. Knowlify charges this as credits, at the compute cost.
What is LongCat Video best for?
Generate long videos in 720p/30fps from text using LongCat Video. It turns a text prompt into a video clip.
Do I need an account to use LongCat Video?
A free Knowlify account, yes. This page composes the prompt; the studio is where LongCat Video actually runs.