Generate videos with a single prompt. Describe what you want in plain text, and the agent handles avatar selection, scripting, scene composition - all in one.
Input
Usage-based, per second of generated video
Output
ExampleExample output from HeyGen Video Agent V3
Pricing
Criteria
Usage-based, per second of generated video
per second of video
29s of video for $1
Overview
HeyGen Video Agent V3 by HeyGen generates complete videos from a single natural-language prompt. The agent handles avatar selection, script writing, scene composition, and production automatically — describe the video you want and it produces a finished MP4.
Key capabilities
- ●$0.034 per second of generated video, simple usage-based pricing (~29 seconds per $1).
- ●Multi-region failover, Runflow runs optimized inference across multiple regions. If one region has an outage, traffic routes to another automatically.
- ●Agent-driven production, no separate script writing or avatar selection needed.
- ●Optional asset grounding, pass up to 20 reference files (images, videos, audio, PDFs) to shape the output.
HeyGen family
| Model | Details |
|---|---|
| HeyGen Video Agent V3 (this model) | Single-prompt agent, selects avatar/script/voice automatically |
| HeyGen Video Agent V2 | Earlier agent generation with prompt + config |
| HeyGen Avatar4 | Image-to-video with explicit avatar selection |
| HeyGen V2 Translate | Multilingual dubbing and lip-sync |
Technical specifications
| Spec | Details |
|---|---|
| Architecture | Agentic video generation |
| Input | Natural language prompt (up to 10,000 characters) |
| Output | MP4 video (landscape or portrait) |
| Max input files | 20 (images, videos, audio, PDFs) |
| Pricing | $0.034 / second of generated video |
Frequently asked questions
Related models
Veo 3.1 Lite
google/veo3.1/lite
Veo 3.1 Lite balances practical utility with professional capabilities....
Wan 2.7 Text to Video
alibaba/wan/v2.7/text-to-video
Wan 2.7 is the latest generation AI video model, delivering enhanced motion smoo...
Seedance 2.0 Fast Text to Video
bytedance/seedance/2.0/fast/text-to-video
Fast variant of Seedance 2.0 for quicker text-to-video generation with synchroni...
Seedance 2.0 Text to Video
bytedance/seedance/2.0/text-to-video
Seedance 2.0 generates high-quality videos from text prompts with synchronized a...
Start generating with HeyGen Video Agent V3
Get API access in minutes. No GPU setup, no infrastructure to manage.