HeyGen Video Agent hands-on: one photo turns into a full AI-generated video ad

toolstelegraph · x · 2026-11-04

A developer tested HeyGen's Video Agent: from a single image it creates an avatar and generates a complete ad video for a fictional AI app, with narration, shot composition and BGM all automatic. Revisions are done just by chatting with the AI. The author found the output quality surprisingly high and shared a video walkthrough of the workflow.

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