Fable and Onyx both have strong personalities, but deployed for different purposes. Fable's animation serves entertainment and engagement. Onyx's boldness serves impact and memorability. Choose Fable for stories and Onyx for announcements.
All samples use the high-quality tts-1-hd model at 1x speed.
| Characteristic | Fable | Onyx |
|---|---|---|
| Style | Animated | Bold |
| Description | Energetic character. Works for audiobooks and personality-driven reads. | Strong presence. Good for announcements and high-impact messaging. |
| Best Use Cases |
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Fable is playful and animated. Onyx is powerful and direct.
The best way to make your decision is to test both voices with your actual content. Listen to the audio samples above with headphones, and consider generating test clips with your own scripts. Small differences in delivery can have significant impacts on user experience, so investing time in testing upfront will pay dividends.