HeyGen says users who need several characters in one scene can get more consistent results by upgrading to ChatGPT Images, which it says produces better character sheets for its HeyGen Video 1 model.
HeyGen · Video 1 + ChatGPT Images
Multi-character scenes: HeyGen points to a two-step workflow
For one consistent avatar, HeyGen says its own tools are enough. For extra characters sharing a scene, it recommends generating character sheets in ChatGPT Images and then using them with HeyGen Video 1.
The recommended workflow
Image model defines how characters look; video model adds motion.
STEP 1
Create character sheets
Build reference images of each character in ChatGPT Images.
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STEP 2
Pair with HeyGen Video 1
Use the sheets to guide how each character appears in the video.
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GOAL
Consistent scene
Faces, clothing, and proportions stay stable across the video.
What HeyGen says
A single consistent avatar is covered by HeyGen's own tools.
Several characters in one scene get more consistent results with ChatGPT Images.
Character sheets from ChatGPT Images are stronger, improving consistency across the video.
What is not yet shown
No benchmark figures or sample comparisons were given.
No pricing details for the upgrade were published.
The consistency claims have not been independently measured.
Key takeaway
The combined workflow's results will depend on further testing and more detailed documentation.
Scene complexity
How busy the scene is can change outcomes.
Number of characters
More characters in a scene add to the challenge.
Prompts used
Wording of prompts affects how closely results match.
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