The difference between Ash and Echo is primarily about energy and weight. Ash's warmth creates accessible, friendly interactions suited for everyday engagement. Echo's depth and authority suit content that needs to feel important and substantial. Consider the emotional response you want to create.
All samples use the high-quality tts-1-hd model at 1x speed.
| Characteristic | Ash | Echo |
|---|---|---|
| Style | Warm | Deep |
| Description | Approachable and friendly. Good for chatbots and casual interactions. | Low and authoritative. Natural fit for narration and documentary content. |
| Best Use Cases |
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Ash is friendly and approachable. Echo offers authority and gravitas.
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.