Audio-Driven Avatar Generation

Turn Any Photo Into a Talking Video

Generate realistic lip-synchronized talking videos from a single photo and audio. Perfect lip sync, natural dynamics, and consistent identity preservation.

2 min Max Video Length

720p HD Resolution

$0.03/s Pay Per Use

13.6B Parameters

How It Works

Transform any portrait photo into a realistic talking video in three simple steps.

1

Upload Photo

Upload any portrait photo. LongCat Avatar works with photos of any person, maintaining their identity throughout the video.

2

Add Audio

Provide your audio file - speech, singing, or any audio. The AI will synchronize lip movements perfectly with the audio.

3

Generate Video

Get your talking video in minutes. Natural dynamics, full-body coherence, and consistent identity across all frames.

Try AI Image & Video Generation

Experience the power of AI. Create stunning images and videos with natural language instructions.

Generated Examples

See what’s possible with LongCat Avatar’s audio-driven talking video generation.

Videos

Female Presenter Avatar

Male Presenter Avatar

Content Creator Avatar

Images

Professional Female Avatar

Professional Male Avatar

Content Creator Avatar

Powerful Features

Everything you need to create professional talking avatar videos.

👄

Perfect Lip Synchronization

Advanced AI precisely aligns lip motion with audio while preserving natural rhythm for every syllable.

Frame-Accurate

🧍

Full-Body Coherence

Captures head movements, facial expressions, and posture changes for truly lifelike avatars.

Natural Motion

🔄

Identity Preservation

Maintains consistent facial identity across all frames without drift or artifacts.

Zero Drift

✨

Natural Dynamics

Produces consistent color tone and natural movement across various scenarios.

Lifelike

📺

HD Output

Generate videos in 480p or 720p HD resolution for professional production quality.

Up to 720p

⚡

Fast Generation

Approximately 10-30 seconds of processing per 1 second of video output.

Quick Turnaround

Why Choose LongCat Avatar?

LongCat Avatar delivers superior results with advanced technology and affordable pricing.

🎯

Superior Lip Accuracy

Precisely aligns syllables with mouth shapes, even with challenging speech patterns. No noticeable delays.

Best-in-Class

🧠

13.6B Parameters

Built on the LongCat-Video foundation with 13.6 billion parameters for exceptional quality.

State-of-the-Art

🕺

Full-Body Animation

Beyond lip sync: natural head tilts, eye blinks, shoulder movements for lifelike avatars.

Complete Motion

💰

Affordable Pricing

Pay only for what you generate at $0.03/second for 480p or $0.06/second for 720p.

From $0.15

⏱️

Up to 2 Minutes

Generate videos up to 2 minutes long per job without segmenting audio files.

Long Form

🔌

Easy API Access

Ready-to-use REST API with no cold starts. Comprehensive documentation available.

Developer Ready

Simple, Transparent Pricing

Pay only for what you use. No monthly subscriptions required.

Standard

$0.03/second

480p Resolution

• Perfect lip synchronization
• Full-body coherence
• Identity preservation
• Up to 2 minutes per video
• $0.15 minimum (5 seconds)

Get Started

HD

$0.06/second

720p Resolution

• Everything in Standard
• Higher resolution output
• Better detail preservation
• Professional quality
• $0.30 minimum (5 seconds)

Get Started

Use Cases

LongCat Avatar powers creators across industries with professional talking avatar videos.

🎬 Marketing Videos

Create engaging promotional content with AI presenters for your brand and products.

🎓 Educational Content

Produce tutorial videos, online courses, and training materials with consistent AI instructors.

📱 Social Media

Generate engaging short-form content for TikTok, Instagram, and YouTube at scale.

💼 Product Demos

Create professional product demonstrations and explainer videos with branded avatars.

💌 Personalized Messages

Send personalized video messages at scale for customer engagement and outreach.

🌍 Multilingual Videos

Localize videos into multiple languages with perfect lip sync for each language version.

Built on LongCat-Video

LongCat Avatar is built on the LongCat-Video foundation - a 13.6 billion parameter video generation model developed by Meituan’s LongCat research team.

The model unifies Text-to-Video, Image-to-Video, and Video-Continuation tasks within a single framework, enabling minutes-long video generation without quality degradation.

✓ No cold starts - instant API access

✓ 13.6B parameter model for exceptional quality

✓ Unified architecture for consistent performance

✓ REST API for easy integration

2 min Max Duration

~10-30s Per Second of Video

720p Max Resolution

Start Creating Talking Avatars Today

Transform photos into realistic talking videos with advanced audio-driven AI technology.