Sparse-Frame Engine V2.0

InfiniteTalk

Sparse-Frame AI Lip-Sync for Infinite-Length Talking Video

From any video or image to a full-body, audio-driven performance that never breaks character. Create lifelike talking videos with perfect synchronization using InfiniteTalk AI technology.

AI Avatar
Face Mesh
Connected
Fast Processing
5min

Key Features of InfiniteTalk

Pushing the boundaries of generative AI to deliver the most realistic talking head videos in the industry.

Sparse-frame Video Dubbing

Our advanced algorithm synchronizes not only lips but also head movements, body posture, and micro-expressions for a truly cohesive performance.

Infinite-Length Generation

Break the time barrier. Supports unlimited video duration, making it perfect for long-form content like podcasts, audiobooks, and lectures.

Unmatched Stability

Significantly reduces hand and body distortions often found in MultiTalk models. Your avatar remains solid and consistent throughout the video.

Superior Lip Accuracy

Achieves state-of-the-art lip synchronization. Phoneme-to-viseme mapping ensures every syllable matches the visual movement perfectly.

Explore Use Cases of InfiniteTalk

From entertainment to enterprise, see how creators are revolutionizing their workflows.

Live Streaming & VTubers

Live Streaming & VTubers

Engage your audience 24/7 with an AI persona that reacts in real-time without the need for expensive motion capture gear.

Marketing & Advertising

Marketing & Advertising

Scale your video production by generating localized ad variations with different languages and consistent spokespersons instantly.

Creators & Bloggers

Creators & Bloggers

Maintain your privacy while building a personal brand. Create faceless channels with a consistent, lifelike AI host.

Singing & Music Covers

Singing & Music Covers

Bring static album art to life. Generate music videos where the artist sings along perfectly to the track.

Education & Training

Education & Training

Create interactive learning materials with approachable avatars that can explain complex topics tirelessly.

Digital Support Agents

Digital Support Agents

Humanize your customer support chatbots with a friendly face that delivers empathy and clarity in every interaction.

How to Lip Sync Videos with
InfiniteTalk in 4 Easy Steps

01

Upload Your Avatar

Start by selecting a high-quality portrait photo or upload a generated character image. Our system supports various formats including JPG, PNG, and WEBP.

02

Add Audio Driver

Upload your voice recording file, choose a popular song, or use our integrated Text-to-Speech engine to type out your script instantly.

03

AI Synthesis Process

Our Sparse-Frame engine analyzes the audio waveforms and maps them to the avatar's facial structure, generating natural head poses and lip movements.

04

Export & Share

Preview your creation in real-time. Once satisfied, export in up to 4K resolution and share your infinite-length video across any platform.

Why Choose InfiniteTalk?

Experience the difference. We combine cinematic quality with sparse-frame efficiency to deliver results that traditional tools can't match.

Video Duration
Infinite-Length
Limited (Short clips)
Full Body Sync
Holistic Motion
Lips Only
Generation Speed
Fast Processing
Hours of Rendering
Language Support
Universal (Phonetic)
Language Dependent
Visual Stability
Artifact-Free
Jittery / Distorted

Loved by Creators Worldwide

Join the community of 500,000+ creators using InfiniteTalk.

Sarah Jenkins

Sarah Jenkins

Content Creator

"The sparse-frame technology is a game changer. My avatars don't just move their lips; they act. The audience retention on my faceless channel has doubled."

David Chen

David Chen

Marketing Director

"InfiniteTalk allowed us to localize our product launch video into 12 languages in a single afternoon. The synchronization is indistinguishable from the original."

Elena Rodriguez

Elena Rodriguez

EdTech Founder

"We generated over 50 hours of course content. The 'Infinite-Length' feature is literal. No breaks, no glitches, just smooth educational delivery."

Michael Thompson

Michael Thompson

Video Producer

"The quality of lip-sync is incredible. I've used it for multiple client projects and they can't tell the difference from real footage. It's revolutionized our workflow."

Lisa Wang

Lisa Wang

Social Media Manager

"Creating content in multiple languages used to take weeks. Now I can produce professional videos in 10+ languages in a single day. Game changer!"

James Wilson

James Wilson

E-commerce Owner

"Our product videos now speak directly to customers in their native language. Sales have increased by 40% since we started using InfiniteTalk for localization."

Maria Garcia

Maria Garcia

YouTube Creator

"The infinite-length feature means I can create hour-long educational videos without any breaks or quality drops. My subscribers love the seamless experience."

Robert Kim

Robert Kim

Corporate Trainer

"We've replaced all our training videos with InfiniteTalk-generated content. The consistency and quality across all our materials is outstanding."

Emma Brown

Emma Brown

Brand Manager

"The ability to create talking avatars that match our brand ambassadors perfectly has transformed our marketing campaigns. ROI has never been better."

Alex Taylor

Alex Taylor

Podcast Producer

"Converting our audio podcasts into video format with InfiniteTalk has doubled our viewership. The lip-sync accuracy is mind-blowing."

Sarah Jenkins

Sarah Jenkins

Content Creator

"The sparse-frame technology is a game changer. My avatars don't just move their lips; they act. The audience retention on my faceless channel has doubled."

David Chen

David Chen

Marketing Director

"InfiniteTalk allowed us to localize our product launch video into 12 languages in a single afternoon. The synchronization is indistinguishable from the original."

Elena Rodriguez

Elena Rodriguez

EdTech Founder

"We generated over 50 hours of course content. The 'Infinite-Length' feature is literal. No breaks, no glitches, just smooth educational delivery."

Michael Thompson

Michael Thompson

Video Producer

"The quality of lip-sync is incredible. I've used it for multiple client projects and they can't tell the difference from real footage. It's revolutionized our workflow."

Lisa Wang

Lisa Wang

Social Media Manager

"Creating content in multiple languages used to take weeks. Now I can produce professional videos in 10+ languages in a single day. Game changer!"

James Wilson

James Wilson

E-commerce Owner

"Our product videos now speak directly to customers in their native language. Sales have increased by 40% since we started using InfiniteTalk for localization."

Maria Garcia

Maria Garcia

YouTube Creator

"The infinite-length feature means I can create hour-long educational videos without any breaks or quality drops. My subscribers love the seamless experience."

Robert Kim

Robert Kim

Corporate Trainer

"We've replaced all our training videos with InfiniteTalk-generated content. The consistency and quality across all our materials is outstanding."

Emma Brown

Emma Brown

Brand Manager

"The ability to create talking avatars that match our brand ambassadors perfectly has transformed our marketing campaigns. ROI has never been better."

Alex Taylor

Alex Taylor

Podcast Producer

"Converting our audio podcasts into video format with InfiniteTalk has doubled our viewership. The lip-sync accuracy is mind-blowing."

InfiniteTalk Pricing

Choose Your InfiniteTalk Credit Pack

Get credits to generate subject-consistent videos with InfiniteTalk AI. All plans include cross-modal integration, identity-preserving generation, and 8-second video output.

One-Time Payment Plans

Pay once and use your credits anytime. Perfect for occasional users or one-time projects.

Starter

$9.9one-time
90 Credits included
$0.11 per credit
HD video generation
Lip-sync & body animation
Download enabled
Email support
Most Popular

Pro

$49.9one-time
670 Credits included
$0.062 per credit
HD video generation
Lip-sync & body animation
Download enabled
Commercial use license
Priority support
Best value per credit

Ultimate

$99.9one-time
1610 Credits included
$0.055 per credit
HD video generation
Lip-sync & body animation
Download enabled
Commercial use license
Priority support
Best value per credit
Bulk processing

Enterprise

$199.9one-time
3630 Credits included
Lowest price: $0.055 per credit
HD video generation
Lip-sync & body animation
Download enabled
Commercial use license
Priority support
Maximum savings & best value
Advanced bulk processing
Perfect for large-scale projects

Monthly Subscription Plans

Subscribe monthly and get fresh credits every month. Ideal for regular users who need consistent access.

Starter

$9.9per month
100 Credits included
$0.099 per credit
HD video generation
Lip-sync & body animation
Download enabled
Email support
Most Popular

Pro

$49.9per month
800 Credits included
$0.050 per credit
HD video generation
Lip-sync & body animation
Download enabled
Commercial use license
Priority support
Best value per credit

Ultimate

$99.9per month
1990 Credits included
$0.045 per credit
HD video generation
Lip-sync & body animation
Download enabled
Commercial use license
Priority support
Best value per credit
Bulk processing

Enterprise

$199.9per month
4440 Credits included
Lowest price: $0.045 per credit
HD video generation
Lip-sync & body animation
Download enabled
Commercial use license
Priority support
Maximum savings & best value
Advanced bulk processing
Perfect for large-scale projects

Choose one-time credits • Flexible billing options

Choose one-timeCredits never expireSecure paymentsEmail support support@infinitetalk.com

Frequently Asked Questions

Everything you need to know about our technology.

InfiniteTalk is an advanced AI lip sync and video generation framework that creates unlimited-length talking videos from images or video inputs with audio-driven motion and full-body synchronization.
It synchronizes not only lips but also head movements, body posture, and facial expressions for more natural output.
Yes, InfiniteTalk supports unlimited video duration as long as the system has sufficient compute and memory.
You can use either a static image or an existing video along with audio to generate output.
Yes, paid plans include commercial usage licenses and priority support.
Commonly 480p and 720p are supported, with plans for higher resolutions over time.
Yes — with InfiniteTalk Multi, multi-character conversational videos are possible.
Yes — the framework is optimized for long narration and extended speech input.
For local generation, a powerful GPU accelerates processing, though cloud options are available.
Speed varies by resolution and hardware, but InfiniteTalk efficiently processes audio-to-video tasks with scalable performance.