Avatar 1.5
Mouth-Shape Accuracy Close-up
LongCat Avatar 1.5 focuses on precise mouth shapes and smooth facial transitions in a close speaking shot.
LongCat Avatar 1.5
LongCat Avatar 1.5 AI Lip Sync Video Generator
Upload a reference image and audio to create stable lip-sync avatar videos for speaking, singing, animation, and multi-person scenes.
Generate Avatar 1.5
Upload image and audio to create single or multi-person avatar videos.
Preview
Demo, generation progress, and final output
Single
Avatar 1.5 Demo
Upload your image and audio to create an expressive lip-sync avatar video.
Model Introduction
What LongCat Avatar 1.5 is built to do
This page only analyzes the public product functions of LongCat Avatar 1.5. It intentionally excludes API, deployment, and third-party integration details.
LongCat 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 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 Avatar 1.5 singing and performance examples
Singing examples for dynamic motion, musical expression, and stable full-body or upper-body performance in LongCat Avatar 1.5.
Animation
LongCat Avatar 1.5 animation examples
Animation examples with expressive motion, stylized characters, and stable audio-driven performance from LongCat Avatar 1.5.
Multi-Person Interaction
LongCat Avatar 1.5 multi-person interaction examples
Multi-speaker and group interaction cases with stable identities and natural turn-taking behavior in LongCat Avatar 1.5.
Product Functions
LongCat Avatar 1.5 AI avatar video features
Explore the core LongCat 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 Avatar 1.5 use cases
LongCat 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 Avatar 1.5 lip-sync model comparison
Compare LongCat 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 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 Avatar 1.5
HeyGen
Kling Avatar 2.0
OmniHuman-1.5
LongCat Avatar 1.0 vs 1.5
LongCat 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 Avatar 1.0
LongCat Avatar 1.5
FAQ
LongCat Avatar 1.5 FAQ
Answers about LongCat Avatar 1.5 lip sync, singing avatar video, animated characters, multi-person interaction, long-form stability, and product-focused demo behavior.
LongCat 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.