HedraText to speechComing soon

elevenlabs-v3

Name: elevenlabs-v3
Brand: Hedra

elevenlabs-v3 is a text to speech tool from Hedra that runs in the background and returns audio. Coming soon: listed with its price, not yet open to runs.

This tool is listed but not yet available to run.

Priced by usage

Pricing

$0.13 per 1,000 characters of text. The final charge comes from usage.

Limits

Runs: In the background
Returns: audio
Longest queue wait: 3600s
Run deadline: 1800s
Largest inline input: 1024 KB
Largest input file: 500 MB
Largest output: 4768 MB
Outputs per run: 16

Input

Field	Kind	Default	Description
`text` required	text	—	Generation prompt. At most 5000 characters.
`voice_id` required	text	—	Voice to speak with (`voice_<uuid>`). List the voices you can use at GET /v3/models/elevenlabs-v3/voices; sent with your credentials, the list includes the voices you cloned.
`speed`	number 0.7 to 1.2	1	Speech rate multiplier; 1.0 is the voice's natural pace. From 0.7 to 1.2.
`language`	one of auto, zh, yue, en, ar, ru, es, fr, pt, de, tr, nl, uk, vi, id, ja, it, ko, th, pl, ro, el, cs, fi, hi, bg, da, he, ms, fa, sk, sv, hr, fil, hu, no, sl, ca, nn, ta, af	—	Language of the text, as an ISO 639-1 code such as 'ko' ('yue' for Cantonese, 'fil' for Filipino), or 'auto' to detect it from the text. Omitted means 'auto'. Regional tags such as 'pt-BR' and English names such as 'Korean' are also accepted.
`stability`	number 0 to 1	1	Voice stability. Higher values give a steadier, more consistent delivery; lower values allow more expressive variation between generations. From 0 to 1.

Same request in code

curl https://api.spiral.ai/v1/runs \
  -H "Authorization: Bearer $SPIRAL_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
    "provider": "hedra",
    "model": "elevenlabs-v3",
    "input": {
      "text": "<text>",
      "voice_id": "<voice_id>"
    }
  }'