Avatar 1.5
Mouth-Shape Accuracy Close-up
LongCat Video Avatar 1.5 focuses on precise mouth shapes and smooth facial transitions in a close speaking shot.
LongCat-Video-Avatar 1.5
LongCat Video Avatar 1.5 AI Lip Sync Avatar Video Generator
LongCat Video Avatar 1.5 upgrades audio-driven human video generation for stable lip sync, identity consistency, singing performance, animation examples, multi-person interaction, and long-form avatar video output.
Preview
Avatar 1.5 intro reel
Local MP4
Native Tasks
AT2V / ATI2V / VC
Experience Focus
fast generation
Quality Target
720p avatar video
Input Scope
single + multi audio
Model Introduction
What LongCat Avatar 1.5 is built to do
This page only analyzes the public product functions of LongCat-Video-Avatar 1.5. It intentionally excludes API, deployment, and third-party integration details.
LongCat-Video-Avatar 1.5 is an upgraded product model for audio-driven human video generation. Built on LongCat-Video, it supports Audio-Text-to-Video, Audio-Text-Image-to-Video, and Video Continuation for avatar scenes, with compatibility for single-stream and multi-stream audio.
Audio-driven
Speech controls lips, expressions, posture, and timing.
Identity-stable
Reference identity stays consistent over longer clips.
Long-video ready
Continuation reduces visible drift across segments.
Production-oriented
Faster generation behavior balances responsiveness and fidelity.
Stability and Consistency
LongCat Video Avatar 1.5 stability and consistency examples
Demonstrate stronger mouth-shape accuracy, smooth expression transitions, identity consistency, and coherent full-body motion across long speaking shots and hand-object interactions.
Singing and Performance
LongCat Video Avatar 1.5 singing and performance examples
Singing examples for dynamic motion, musical expression, and stable full-body or upper-body performance in LongCat Video Avatar 1.5.
Animation
LongCat Video Avatar 1.5 animation examples
Animation examples with expressive motion, stylized characters, and stable audio-driven performance from LongCat Video Avatar 1.5.
Multi-Person Interaction
LongCat Video Avatar 1.5 multi-person interaction examples
Multi-speaker and group interaction cases with stable identities and natural turn-taking behavior in LongCat Video Avatar 1.5.
Product Functions
LongCat Video Avatar 1.5 AI avatar video features
Explore the core LongCat Video Avatar 1.5 features for audio-driven AI avatar video, including lip sync accuracy, identity consistency, image-guided control, video continuation, stylized animation, and multi-person speaker scenes.
Audio-first avatar generation
Transforms speech and prompts into expressive human video with natural lip movement, facial dynamics, eye motion, and body gestures.
Image-guided identity control
Supports audio + text + image generation so a reference portrait can stay visually consistent through long avatar outputs.
Video continuation for longer stories
Extends avatar clips across segments while preserving color, details, and character identity instead of resetting every shot.
Single and multi-speaker scenes
Handles one-person talking videos and multi-person conversations, including turn-taking and two-stream audio scenarios.
Smoother lip-sync behavior
LongCat 1.5 emphasizes more natural mouth shapes, speech timing, and expression changes for audio-driven avatar videos.
Stylized domain generalization
The model is designed for realistic humans, animation, animals, performance, commerce, and complex real-world interactions.
Application Scenarios
LongCat Video Avatar 1.5 use cases
LongCat Video Avatar 1.5 supports practical AI avatar video scenarios for broadcasting, education, singing performance, e-commerce presenters, multi-person interaction, animated characters, and animal-style avatar videos.
01
Performance
Singing, acting, expressive delivery, and entertainment scenes where mouth shape and body rhythm must stay aligned.
02
Commerce
Product spokespersons, e-commerce marketing hosts, demos, and campaign assets with repeatable identity.
03
Conversation
Multi-person dialogue with separate voices, speaker turns, and interaction-friendly character framing.
04
Animated Characters
Anime, stylized avatars, non-human characters, and animal subjects that still follow audio-driven motion.
Model Comparison
LongCat Video Avatar 1.5 lip-sync model comparison
Compare LongCat Video Avatar 1.5 with commercial avatar models on mouth-shape accuracy, speech timing, expression transitions, and natural lip motion in the same speaking scenario.
Commercial Model Comparison
Compare LongCat-Video-Avatar 1.5 with HeyGen, Kling Avatar 2.0, and OmniHuman-1.5 under similar inputs, focusing on stability, consistency, and natural lip motion.
Lip-Sync
Compare mouth-shape accuracy and natural lip motion under similar speaking input.
LongCat-Video-Avatar 1.5
HeyGen
Kling Avatar 2.0
OmniHuman-1.5
LongCat-Video-Avatar 1.0 vs 1.5
LongCat Video Avatar 1.5 upgrade samples highlight better mouth-shape accuracy, stronger long-video identity preservation, broader interaction scenarios, and faster product experience.
Interactive Speaking Scene
LongCat-Video-Avatar 1.0
LongCat-Video-Avatar 1.5
FAQ
LongCat Video Avatar 1.5 FAQ
Answers about LongCat Video Avatar 1.5 lip sync, singing avatar video, animated characters, multi-person interaction, long-form stability, and product-focused demo behavior.
LongCat Video Avatar 1.5 is an audio-driven AI avatar video model for creating speaking, singing, animated, and multi-person avatar videos with stable identity and natural lip sync.
Product takeaway
LongCat Avatar 1.5 is positioned as a stable avatar video model, not just a lip-sync filter.
Its product value sits in the combination of speech-conditioned motion, reference identity, multi-person audio support, stylized generalization, and long-video continuation.