Skip to main content
ArtEmotion
Audio

ElevenLabs v4 Turbo

Credit-based pricing.

ElevenLabs v4 Turbo preview
Output
audio

Example prompt

[excited] Your next adventure starts right here. Ready to begin?
Try this prompt →
LLM-ready

API & LLM schema

Exact request contract for this model. Agents can fetch it from /api/v1/models?id=elevenlabs/tts/eleven-v4-turbo.

POST/api/v1/generate14 fields · 2 required
FieldTypeRequirementContract
model_idconstantRequiredArtEmotion model identifier.
extraobjectOptionalModel-specific settings may also be nested here.
max_creditsnumberOptionalReject before submission if the estimated list price exceeds this cap. · Range: 1–…
webhook_urlstringOptionalFormat: uri
webhook_secretstringOptionalOptional model input.
folder_idstringOptionalOptional model input.
promptstringRequiredOptional model input.
voicestring / stringOptionalA listed premade voice or clone:<voice_id> owned by your account. Clone ownership is checked before submission. · Default: Sarah
stabilitynumberOptionalDefault: 0.5 · Range: 0–1
similaritynumberOptionalDefault: 0.75 · Range: 0–1
language_codestringOptionalOptional two-letter ISO code (en, es, fr…). Leave empty for automatic detection; over 90 languages supported.
apply_text_normalizationstringOptionalAllowed: auto, on, off · Default: auto
seedconstant / integerOptionalOmit or use -1 for random. Deterministic seeds must be 1–4294967295.
output_formatstringOptionalAllowed: mp3_44100_128 · Default: mp3_44100_128
Minimal request example
{
  "model_id": "elevenlabs/tts/eleven-v4-turbo",
  "prompt": "[excited] Your next adventure starts right here. Ready to begin?"
}
Raw JSON Schema
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.artemotion.ai/api/v1/models?id=elevenlabs%2Ftts%2Feleven-v4-turbo",
  "title": "ElevenLabs v4 Turbo generation request",
  "description": "Request body accepted by POST /api/v1/generate for elevenlabs/tts/eleven-v4-turbo.",
  "type": "object",
  "properties": {
    "model_id": {
      "type": "string",
      "const": "elevenlabs/tts/eleven-v4-turbo",
      "description": "ArtEmotion model identifier."
    },
    "extra": {
      "type": "object",
      "additionalProperties": true,
      "description": "Model-specific settings may also be nested here."
    },
    "max_credits": {
      "type": "number",
      "minimum": 1,
      "description": "Reject before submission if the estimated list price exceeds this cap."
    },
    "webhook_url": {
      "type": "string",
      "format": "uri",
      "maxLength": 2048
    },
    "webhook_secret": {
      "type": "string",
      "maxLength": 512
    },
    "folder_id": {
      "type": "string"
    },
    "prompt": {
      "type": "string",
      "maxLength": 10000
    },
    "voice": {
      "title": "Voice",
      "default": "Sarah",
      "description": "A listed premade voice or clone:<voice_id> owned by your account. Clone ownership is checked before submission.",
      "anyOf": [
        {
          "title": "Voice",
          "default": "Sarah",
          "type": "string",
          "enum": [
            "Sarah",
            "Laura",
            "Alice",
            "Matilda",
            "Jessica",
            "Bella",
            "Lily",
            "River",
            "Roger",
            "Charlie",
            "George",
            "Callum",
            "Harry",
            "Liam",
            "Will",
            "Eric",
            "Chris",
            "Brian",
            "Daniel",
            "Adam",
            "Bill"
          ]
        },
        {
          "type": "string",
          "pattern": "^clone:[A-Za-z0-9_-]{8,128}$"
        }
      ]
    },
    "stability": {
      "title": "Stability",
      "default": 0.5,
      "type": "number",
      "minimum": 0,
      "maximum": 1,
      "multipleOf": 0.05
    },
    "similarity": {
      "title": "Voice similarity",
      "default": 0.75,
      "type": "number",
      "minimum": 0,
      "maximum": 1,
      "multipleOf": 0.05
    },
    "language_code": {
      "title": "Language code",
      "description": "Optional two-letter ISO code (en, es, fr…). Leave empty for automatic detection; over 90 languages supported.",
      "type": "string",
      "maxLength": 2
    },
    "apply_text_normalization": {
      "title": "Text normalization",
      "default": "auto",
      "type": "string",
      "enum": [
        "auto",
        "on",
        "off"
      ]
    },
    "seed": {
      "description": "Omit or use -1 for random. Deterministic seeds must be 1–4294967295.",
      "anyOf": [
        {
          "const": -1
        },
        {
          "type": "integer",
          "minimum": 1,
          "maximum": 4294967295
        }
      ]
    },
    "output_format": {
      "title": "Output format",
      "default": "mp3_44100_128",
      "type": "string",
      "enum": [
        "mp3_44100_128"
      ]
    }
  },
  "required": [
    "model_id",
    "prompt"
  ],
  "additionalProperties": false
}

FAQ

How much does ElevenLabs v4 Turbo cost on ArtEmotion?

Credit-based pricing. You pay in ArtEmotion credits — every plan and top-up converts USD to credits at a fixed rate.

Do I get my credits back if ElevenLabs v4 Turbo fails?

Yes — failed generations are never charged. The credits are released back to your balance automatically.

Can I call ElevenLabs v4 Turbo from the API?

Yes. Use POST /api/v1/generate with model_id: "elevenlabs/tts/eleven-v4-turbo". See the API reference for the full schema.

Where are my generations stored?

Every output is saved to your personal Library. You can export or delete everything any time from Privacy & deletion.

Ready to generate with ElevenLabs v4 Turbo?

Start now →

No commitment. New accounts get 50 free credits on signup. See pricing.