LongCat Avatar AI
LongCat Avatar – Audio-Driven Realistic Talking Videos
About
LongCat Avatar transforms static images into expressive, talking videos using advanced audio-driven technology. Unlike traditional models, it ensures temporal consistency and precise lip-syncing even for long-duration clips. Perfect for creating virtual assistants, educational content, and digital storytelling without visual degradation.
Key Features
Perfect Lip‑Synchronized Talking Videos
LongCat Avatar aligns mouth movement precisely with audio to produce perfect lip‑synchronized talking videos that look natural and engaging for any use case.
Natural Full‑Body Motion and Expression
The model generates smooth full‑body motion and facial expressions beyond lips, giving avatar videos a realistic, natural dynamic that enhances audience engagement.
Multi‑Input Audio, Text, and Image Support
LongCat Avatar supports generating videos from multiple input types, including audio + text and photo + audio workflows, for flexible and diverse video creation.
HD Output and Publish‑Ready Quality
Generate high‑definition avatar videos with quality up to 720p, delivering clear visuals and crisp motion suitable for publishing and sharing across platforms.
How to Use LongCat Avatar AI
1.Upload Your Photo Start by uploading a clear photo of the subject. A high‑quality portrait helps the avatar model preserve identity and enables smoother, more natural motion in the talking video. 2.Upload Your Audio Provide your audio file — speech, singing, or any audio type. The AI will align lip movements perfectly with the sound for realistic lip‑synchronized talking video results. 3.Generate Video After uploading photo and audio, generate your video. In minutes you will get a natural, fluid talking video with coordinated motion and a consistent character identity.