HeyGen Avatar IV
Animates a portrait to a prepared audio track with synchronized speech and movement.
When to choose it
HeyGen Avatar IV is available in the Mixer AI Studio and Canvas. This page is built from the catalog: what you can give it, which settings exist and where their limits are.
- Resolution: 720p.
- Aspect ratios: auto.
- One coin balance for every model, no separate subscription.
Modes and settings
- Every available setting is shown in the Studio form before launch, and the price follows them.
- The exact price is shown before launch.
Price in coins
| Quality / size | Input | Coins / second |
|---|---|---|
| 720p | Portrait + audio | — |
Billing is per second, not per fixed-length clip. The rate is multiplied by the billable duration; the complete request total is rounded up to a whole coin once.
≈ marks a fractional rate rounded to two decimal places for display; billing uses full precision.
The dollar price follows the current coin rate.
What you can make
- Animates a portrait to a prepared audio track with synchronized speech and movement.
- Trying the model on your own task and comparing the result with other Mixer AI models.
How to direct the result
- No prompt is needed: the result is built from the material you upload.
- When you compare results, change one setting at a time.
What goes in
Resolution: 720p. Aspect ratios: auto.
What to keep in mind
- At most 1 photo as input.
- The price depends on the chosen settings and is shown before launch.
- This page lists specifications from the Mixer AI catalog, not visual quality: test the model on your own task.
Sources
FAQ
What can I give HeyGen Avatar IV as input?
The input materials and their number are shown in the Studio form for the chosen settings.
What are the limits of HeyGen Avatar IV?
Resolution: 720p. Aspect ratios: auto.
Who makes HeyGen Avatar IV?
It comes from HeyGen Avatar IV. Mixer AI offers it next to other models and bills it from one coin balance.
Where can I launch HeyGen Avatar IV?
In the Mixer AI Studio and Canvas: open the model, set the options and launch. The exact price is shown before you start.
How do I see the exact price before launch?
Choose the settings in the Studio or Canvas: the price for them appears before the request is sent.
Does HeyGen Avatar IV need a prompt?
No: the result is built from the material you upload.
What if a generation fails?
A confirmed technical failure can be returned automatically or reviewed by support. Dissatisfaction with a creative result alone is not a technical failure. The conditions are in the offer.
What changes the price?
The coin rate per second depends on quality, mode and, for some models, sound. Multiply it by the billable duration. Where input video is charged, its duration also counts. The complete request total is rounded once.
Do I need a separate model subscription?
No. In Mixer AI, you top up one coin balance and use it for the tasks you need. You do not need a separate subscription to this model.