heygen/avatar-iv 📝🔢✓❓ → 🖼️

⭐ Official ▶️ 334 runs 📅 Mar 2026 ⚙️ Cog 0.16.12
lipsync talking-avatar text-to-video-with-audio

About

Create realistic talking avatar videos from text with HeyGen's Avatar IV engine

Example Output

Output

Performance Metrics

279.85s Prediction Time
279.90s Total Time
All Input Parameters 
{
  "title": "",
  "width": 1920,
  "height": 1080,
  "caption": false,
  "voice_id": "KQkyHvsV1wdsvvqTolHK",
  "avatar_id": "Abigail_standing_office_front",
  "input_text": "We just launched Avatar IV on Replicate! Create custom talking head avatar videos with this model. ",
  "voice_speed": 1,
  "avatar_style": "normal",
  "voice_emotion": "none"
}
Input Parameters
title Type: stringDefault:
Title of the video.
width Type: integerDefault: 1920Range: 100 - 3840
Width of the output video in pixels.
height Type: integerDefault: 1080Range: 100 - 2160
Height of the output video in pixels.
caption Type: booleanDefault: false
Whether to enable captions in the video.
voice_id (required) Type: string
Unique identifier of the voice. Get available voice IDs from the HeyGen List All Voices API.
avatar_id (required) Type: string
Unique identifier of the avatar. Get available avatar IDs from the HeyGen List All Avatars API.
input_text (required) Type: string
Text that the avatar will speak. Must be less than 5000 characters.
voice_speed Type: numberDefault: 1Range: 0.5 - 1.5
Voice speed. Value ranges from 0.5 to 1.5.
avatar_style Default: normal
Visual style of the avatar.
voice_emotion Default: none
Adds emotion to voice, if supported by the selected voice. Set to 'none' for no emotion.
Output Schema

Output

Type: string • Format: uri

Example Execution Logs 
Video creation initiated, video_id: 7d97c2b61ac04283bdced739a0167bae
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
Video status: processing
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Video status: processing
Video status: processing
Video status: processing
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Video status: processing
Video status: processing
Video status: completed
Downloading video...
Downloading 2142339 bytes
Downloaded 2.04MB in 0.18sec
Version Details
Version ID
70a5b27d6f6dd982a62a6165b63d69759af5ab962e04753562939c4a3d76983d
Version Created
March 4, 2026
Run on Replicate →