ElevenLabsText to speechAvailable now

eleven_v3

Name: eleven_v3
Brand: ElevenLabs
Availability: InStock

eleven_v3 is a text to speech tool from ElevenLabs that runs in the background and returns audio. Pay as you go from $0.000104 per credit, with one API key.

Try itfrom $0.000104 / credit

Pricing

$0.104 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	—	The text that will get converted into speech.
`voice_id` required	text	—	Voice ID to be used, you can use https://api.elevenlabs.io/v1/voices to list all the available voices.
`seed`	number (whole)	—	If specified, our system will make a best effort to sample deterministically, such that repeated requests with the same seed and parameters should return the same result.
`next_text`	text	—	The text that comes after the text of the current request.
`audio_effects`	JSON	—	Audio effects applied to the generated audio.
`language_code`	text	—	Language code (ISO 639-1) used to enforce a language for the model and text normalization.
`output_format`	one of alaw_8000, mp3_22050_32, mp3_24000_48, mp3_44100_128, mp3_44100_192, mp3_44100_32, mp3_44100_64, mp3_44100_96, opus_48000_128, opus_48000_192, opus_48000_32, opus_48000_64, opus_48000_96, pcm_16000, pcm_22050, pcm_24000, pcm_32000, pcm_44100, pcm_48000, pcm_8000, ulaw_8000, wav_16000, wav_22050, wav_24000, wav_32000, wav_44100, wav_48000, wav_8000	mp3_44100_128	Output format of the generated audio.
`previous_text`	text	—	The text that came before the text of the current request.
`use_pvc_as_ivc`	true or false	—	Whether to use the IVC version of a professional voice. This may improve expressiveness and reduce latency.
`voice_settings`	JSON	—	Voice settings overriding stored settings for the given voice. They are applied only on the given request.
`next_request_ids`	list	—	A list of request_id of the samples that come after this generation. next_request_ids is especially useful for maintaining the speech's continuity when regenerating a sample that has had some audio quality issues.
`previous_request_ids`	list	—	A list of request_id of the samples that were generated before this generation.
`apply_text_normalization`	one of auto, on, off	auto	This parameter controls text normalization with three modes: 'auto', 'on', and 'off'.
`optimize_streaming_latency`	number (whole)	—	You can turn on latency optimizations at some cost of quality.
`apply_language_text_normalization`	true or false	false	This parameter controls language text normalization.
`pronunciation_dictionary_locators`	JSON	—	A list of pronunciation dictionary locators (id, version_id) to be applied to the text. They will be applied in order. You may have up to 3 locators per request

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": "elevenlabs",
    "model": "eleven_v3",
    "input": {
      "text": "<text>",
      "voice_id": "<voice_id>"
    }
  }'