Nova and Sage represent energy versus calm. Nova motivates and engages with upbeat delivery. Sage relaxes and teaches with patient pacing. Choose Nova when you want to energize listeners and Sage when you want to calm them.
All samples use the high-quality tts-1-hd model at 1x speed.
| Characteristic | Nova | Sage |
|---|---|---|
| Style | Bright | Calm |
| Description | Upbeat without overdoing it. Works for apps, tutorials, and customer-facing use. | Steady pacing, no rush. Fits meditation, education, and instructional guides. |
| Best Use Cases |
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Nova is energetic. Sage is calm and steady.
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.