OverblastElevenLabs · speech model
Eleven v3
Eleven v3 is a speech model on the Overblast AI Gateway. Call it as elevenlabs/eleven-v3 with one Overblast API key, paid from your AI credits.
Prices are in AI credits, in US dollars. A picture, clip or track shows an estimate and is charged its actual cost once it is made. As of 2 October 2026, from the live catalogue.
Price
| Price | $0.20 / 1,000 characters |
|---|---|
| Least a call costs | $0.01 |
What it does
| Does | Speaks text aloud |
|---|---|
| Voices | 21: Rachel, Aria, Roger, Sarah, Laura, Charlie, George, Callum, River, Liam, Charlotte, Alice, Matilda, Will, Jessica, Eric, Chris, Brian, Daniel, Lily, Bill |
| Default voice | Rachel |
| Audio formats | mp3 |
| Language | MUL |
| Longest input | 4,096 characters |
Where it runs
| Regions | Runs globally; it cannot be pinned to the EU or the US yet |
|---|---|
| Zero data retention | Not applicable: speech calls cannot carry the requirement |
| Endpoint | POST /v1/audio/speech |
Call it
curl https://ai.overblast.app/v1/audio/speech \
-H "Authorization: Bearer $OVERBLAST_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "elevenlabs/eleven-v3",
"input": "Hello from Overblast.",
"voice": "Rachel",
"response_format": "mp3"
}' \
--output speech.mp3All speech models and their prices · How the AI Gateway works