> For the complete documentation index, see [llms.txt](https://docs.pletor.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.pletor.ai/models/video-models/previous-generation-video-models/hedra-character-3.md).

# Hedra Character 3

## TL;DR

Best choice for creating talking head videos with realistic speech and expressions. Perfect for AI spokespersons, product explainers, and mascot videos

### Strengths for marketers

* **Consistent faces**: Maintains character appearance throughout longer videos.
* **Great lip-sync**: Realistic mouth movements that match any audio perfectly.
* **Omnimodal processing**: Handles image and audio together for seamless integration.
* **Complete control**: Provide your own script and voice for total creative control.

### Ideal use cases

Any scenario where you want a face to speak directly to the camera:

* **Talking mascots**: Bring brand characters to life with personality and voice (e.g., TikTok short clips).
* **AI UGC content**: Create authentic-looking user testimonials and reviews.
* **Product explainers**: Have spokespersons explain features and benefits clearly.
* **Multilingual campaigns**: Use the same face with different language audio tracks.

### Weaknesses

* Limited to talking head scenarios only, full-body movement less stable than facial expressions
* Background typically remains static during generation
* Requires separate audio file generation, limiting use cases

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### How to use effectively

Prepare well your inputs: provide clear portrait image (start frame), clean audio (script), and descriptive text (facial expressions).

**Key tips:**

* Use high-quality portrait images with clear facial features
* Provide clean, clear audio files for best lip-sync results
* Include text descriptions for desired expressions and mood
* Keep scripts conversational for realistic delivery

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## Model parameters

### **Inputs accepted**

* Text + 1 Reference Image (starting frame) + 1 audio file (character voice)

### Output characteristics

* **Default Resolution:** 720p
* **Duration options:** 60s max - depends on the length of your script
* **Available Aspect Ratios:** 1:1, 16:9, 9:16