Question 1

What is HeyGen Video Agent V3?

Accepted Answer

HeyGen Video Agent V3 is an agentic text-to-video model. It takes a single natural-language prompt and produces a finished MP4 — selecting an avatar, writing the script, composing scenes, and handling narration automatically. Available through the Runflow API.

Question 2

How much does HeyGen Video Agent V3 cost on Runflow?

Accepted Answer

HeyGen Video Agent V3 is priced at $0.034 per second of generated video on Runflow — about 29 seconds of output per $1. Pricing is usage-based: you only pay for the length of video the agent produces.

Question 3

How long does HeyGen Video Agent V3 take to run?

Accepted Answer

HeyGen Video Agent V3 typically takes 2-8 minutes per request, depending on requested video length and complexity. The agent runs as an async job; poll the run status via the Runflow API to know when the result is ready.

Question 4

Can I use HeyGen Video Agent V3 commercially?

Accepted Answer

Yes. HeyGen Video Agent V3 is offered under a commercial license via Runflow. You can use generated videos in commercial products and marketing as long as you follow HeyGen's usage policies (no impersonation of real people without consent, no prohibited content).

Question 5

Do I need to manage GPUs or avatar libraries to use HeyGen Video Agent V3?

Accepted Answer

No. Runflow handles all infrastructure — GPU provisioning, queueing, and the HeyGen avatar/voice libraries. You call one API endpoint with a prompt and receive a finished video. No AI team or DevOps required.

Question 6

How do I get started with HeyGen Video Agent V3 on Runflow?

Accepted Answer

Sign up for Runflow, grab an API key, and POST a prompt to the `/v1/models/heygen/v3/video-agent/runs` endpoint. The API returns a run ID; poll it until the video URL is available. See the API tab on this page for copy-paste code samples in Node, Python, and curl.

heygen/v3/video-agent

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