Both Coral and Echo convey authority, but through different means. Coral achieves credibility through clarity and precision. Echo achieves it through depth and gravitas. Choose Coral for content that needs to be understood clearly, and Echo for content that needs to feel weighty and important.
All samples use the high-quality tts-1-hd model at 1x speed.
| Characteristic | Coral | Echo |
|---|---|---|
| Style | Clear | Deep |
| Description | Clean and polished. Suited for business, education, and formal content. | Low and authoritative. Natural fit for narration and documentary content. |
| Best Use Cases |
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Coral is clear and professional. Echo adds depth and dramatic weight.
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.