heygen/avatar-iv 📝🔢✓❓ → 🖼️

⭐ Official ▶️ 651 runs 📅 Mar 2026 ⚙️ Cog 0.18.0

lipsync talking-avatar text-to-video-with-audio

Performance

279.8sTypical run time

651Total runs

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
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Video status: completed
Downloading video...
Downloading 2142339 bytes
Downloaded 2.04MB in 0.18sec

Version Details

Version ID: 47140d7dd37b83a583d0279e2875987b9be1dff97bf3e2a051cc2a78a68df6eb
Version Created: April 16, 2026

Run on Replicate →