InfiniteTalk converts one photo + audio into audio-driven talking or singing avatar videos (Image-to-Video), up to 10 minutes, 720p tier $0.30/5s. Ready-to-use REST API, no coldstarts, affordable pricing.
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$0.15실행당·~66 / $10
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README
InfiniteTalk
What is InfiniteTalk?
InfiniteTalk produces videos with precise lip sync, aligning the head, face, and body movements to the audio. It maintains identity across unlimited-length videos and also offers image-to-video generation, turning static photos into lively speaking or singing videos.
Why it looks great
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Accurate lip synchronization: aligns lip motion precisely with audio, preserving natural rhythm and pronunciation.
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Full-body coherence: captures head movements, facial expressions, and posture changes beyond the lips.
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Identity preservation: maintains consistent facial identity and visual style across frames.
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Image-to-video capability: turns static photos into realistic speaking or singing videos.
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Instruction following: accepts text prompts to control scene, pose, or behavior while syncing to audio.
Pricing
| Output Resolution | Cost per 5 seconds | Max Length |
|---|---|---|
| 480p | $0.15 | 10 minutes |
| 720p | $0.30 | 10 minutes |
Billing Rules
- Standard Rate: $0.03 per second
- HD (720p) Rate: $0.06 per second (Double the Standard Rate)
- Minimum Charge: All videos are billed for a minimum of 5 seconds (costing at least $0.15).
- Billing Cap: To keep your costs predictable, billing is capped at 600 seconds (10 minutes).
How to Use
- Upload the audio file.
- Upload the image (the person to animate).
- (Optional) Paint a mask_image to specify which regions can move.
- (Optional) Add a prompt to guide expression, style, or pose.
- Select the resolution (480p or 720p).
- Set the seed (set a fixed number for reproducibility).
- Submit the job and download the result once it's ready.
Note
- Max clip length per job: up to 10 minutes
- Processing speed: approximately 10–30 seconds of wall time per 1 second of video (varies by resolution and queue load)
- Prompt: Avoid writing too many prompts and the recommend language is English, otherwise the model will make analysis errors, resulting in noisy and unexpect videos.
Mask safety tip:
Do not upload the full image as mask_image. The mask should only cover the regions you want to animate—otherwise the result may render as fully black.