Echo and Nova create opposite impressions. Echo is deep, serious, and authoritative. Nova is bright, upbeat, and accessible. This comparison helps you understand when gravity serves your content and when energy does.
All samples use the high-quality tts-1-hd model at 1x speed.
| Characteristic | Echo | Nova |
|---|---|---|
| Style | Deep | Bright |
| Description | Low and authoritative. Natural fit for narration and documentary content. | Upbeat without overdoing it. Works for apps, tutorials, and customer-facing use. |
| Best Use Cases |
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Echo is serious and grounded. Nova is light and energetic.
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.