Onyx and Sage serve opposite purposes. Onyx captures attention and creates urgency. Sage creates calm and encourages patience. This stark contrast makes the choice clear based on your content's goals.
All samples use the high-quality tts-1-hd model at 1x speed.
| Characteristic | Onyx | Sage |
|---|---|---|
| Style | Bold | Calm |
| Description | Strong presence. Good for announcements and high-impact messaging. | Steady pacing, no rush. Fits meditation, education, and instructional guides. |
| Best Use Cases |
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Onyx is powerful and direct. Sage is calm and instructional.
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.