HEYGEN
Heygen Video Translate is a video-to-video translation model that takes an input video with speech and produces an output video in the target language, keeping the speaker’s voice, lip sync, and style natural. It’s designed for easy, realistic dubbing of video content across multiple languages.
Avg Run Time: 140.000s
Model Slug: heygen-video-translate
Playground
Input
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video/mp4 (Max 50MB)
Output
Example Result
Preview and download your result.
API & SDK
Create a Prediction
Send a POST request to create a new prediction. This will return a prediction ID that you'll use to check the result. The request should include your model inputs and API key.
Get Prediction Result
Poll the prediction endpoint with the prediction ID until the result is ready. The API uses long-polling, so you'll need to repeatedly check until you receive a success status.
Readme
Overview
heygen-video-translate — Video-to-Video AI Model
heygen-video-translate empowers creators to dub videos into 175+ languages while preserving the original speaker's voice, lip-sync accuracy, and natural expressions, solving the challenge of global content localization without reshooting. Developed by HeyGEN as part of the heygen family, this video-to-video AI model takes an input video with speech and generates an output that appears natively filmed in the target language—not merely subtitled or dubbed. Users searching for "HeyGEN video translation" or "lip sync video AI" find heygen-video-translate ideal for scaling content across borders with one-click efficiency.
Technical Specifications
What Sets heygen-video-translate Apart
heygen-video-translate stands out in the video-to-video AI model landscape through its one-click translation that translates scripts, clones voices multilingually, and adjusts avatar lip movements for 175+ languages, creating videos that mimic original filming. This enables businesses to localize training videos or marketing content globally without cultural mismatches or production delays.
Powered by Avatar IV technology, it delivers industry-leading lip-sync at realistic frame rates with genuine gestures, eye contact, and emotion-matched expressions, surpassing competitors in naturalness for major languages. Content creators gain authentic, non-stiff outputs for promotional or educational videos, reducing post-production tweaks.
- 175+ languages with lip-synced translation: Maintains vocal consistency via voice cloning across languages, ideal for "AI video dubbing" workflows—quality holds strong for high-volume source audio in primary targets.
- Full control over expressions: Adjust lip shapes, blinks, head tilts, and gestures per scene, enabling "humanized" tweaks that viseme-specific models like those in Synthesia can't match natively.
- High-quality output specs: Supports short-form videos up to 2 minutes, landscape/portrait aspect ratios, and fast processing for seamless "HeyGEN video-to-video" integration.
Key Considerations
- For best results, use high-quality source videos with clear audio and minimal background noise
- Voice cloning works optimally with clean, well-recorded speech samples
- Lip-sync accuracy may vary slightly depending on the language pair and speaker visibility
- Rendering times increase with video length and complexity; plan accordingly for large projects
- Subtle emotional nuances in speech may not always be perfectly replicated in all languages
- For videos where the speaker’s face is not visible, audio-only dubbing mode offers faster processing
- Review and edit translated videos for cultural appropriateness and tone, especially for professional or sensitive content
Tips & Tricks
How to Use heygen-video-translate on Eachlabs
Access heygen-video-translate through Eachlabs Playground by uploading your source video, selecting target language from 175+ options, and optional voice clone settings—outputs high-quality MP4s with synced lips and natural style in minutes. Integrate via API or SDK with parameters like duration (up to 2min), aspect ratio, and script tweaks for custom "video-to-video AI model" apps. Eachlabs delivers fast, reliable processing for seamless workflows.
---Capabilities
- Translates video speech into 175+ languages and dialects while preserving the original speaker’s voice and style
- Delivers highly accurate lip-sync, making dubbed videos appear native to the target language
- Supports voice cloning for authentic, personalized translations
- Offers both hyper-realistic (lip-sync + audio) and audio-only dubbing modes for flexibility
- Enables avatar-driven translations with customizable gestures and expressions
- Provides batch processing and multi-lingual video player for large-scale localization
- Integrates with text-based editors for script and tone adjustments
- Supports up to 4K video resolution and long-form content up to 60 minutes
What Can I Use It For?
Use Cases for heygen-video-translate
Marketers targeting international e-commerce can upload a product demo video and translate it to Spanish or Mandarin, with heygen-video-translate cloning the spokesperson's voice and syncing lips perfectly—delivering localized ads that boost conversions without native shoots.
Educational content creators use the model's Avatar IV lip-sync for multilingual training modules; input an English lecture, select Arabic as target, and get natural gestures with emotion-aware expressions, streamlining "AI video translation for education" at scale.
Developers building "lip sync video AI" apps feed corporate comms footage into heygen-video-translate via API, specifying "Translate this 1-minute team update to French with original voice clone and subtle head nods"—outputting ready-to-deploy videos with precise viseme alignment for global teams.
Social media teams localize UGC-style promos, like a brand spokesperson holding products; the model adjusts for 175+ languages while maintaining physical interactions and 24fps realism, perfect for Pinterest or TikTok creators needing quick "HeyGEN video translation" turnarounds.
Things to Be Aware Of
- Some users report occasional minor lip-sync mismatches, especially with less common language pairs or complex facial movements
- Rendering speed can be slow for longer videos or during peak usage times; plan for extra processing time
- Voice cloning is highly accurate but may lack subtle emotional depth in certain languages or contexts
- Avatar customization is robust but may not cover every industry or demographic perfectly
- High-volume users note that costs can add up quickly for large-scale projects
- Positive feedback highlights the ease of use, speed, and quality of translations, especially for business and educational use
- Common concerns include limited creative control compared to manual video editing and occasional need for manual review to ensure cultural appropriateness
- Resource requirements are moderate; cloud-based processing handles most workloads without local hardware constraints
Limitations
- Emotional nuance and subtle speech inflections may not always be perfectly preserved in all translated languages
- Lip-sync accuracy can vary with speaker visibility and language complexity, requiring occasional manual adjustments
- Not optimal for highly creative or cinematic projects requiring full artistic control over every visual and audio element
Pricing
Pricing Type: Dynamic
Pricing is based on the duration of the audio generated by the model. A rate of 0.0375 per second is applied
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