
Output
audio
LLM-ready
API & LLM schema
Exact request contract for this model. Agents can fetch it from /api/v1/models?id=fal-ai/orpheus-tts.
POST
/api/v1/generate10 fields · 2 required| Field | Type | Requirement | Contract |
|---|---|---|---|
model_id | constant | Required | ArtEmotion model identifier. |
extra | object | Optional | Model-specific settings may also be nested here. |
max_credits | number | Optional | Reject before submission if the estimated list price exceeds this cap. · Range: 1–… |
webhook_url | string | Optional | Format: uri |
webhook_secret | string | Optional | Optional model input. |
folder_id | string | Optional | Optional model input. |
prompt | string | Required | Optional model input. |
voice | string | Optional | Orpheus pre-trained voice character. Click to preview any voice. · Allowed: tara, leah, jess, leo, dan, mia, zac, zoe · Default: tara |
temperature | number | Optional | Generation randomness. Lower = more stable, higher = more expressive. · Default: 0.7 · Range: 0–2 |
repetition_penalty | number | Optional | Discourages repeated sounds or words. 1.1 is the API minimum for stable generation. · Default: 1.2 · Range: 1.1–2 |
Minimal request example
{
"model_id": "fal-ai/orpheus-tts",
"prompt": "Describe the result you want to create."
}Raw JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://www.artemotion.ai/api/v1/models?id=fal-ai%2Forpheus-tts",
"title": "Orpheus TTS generation request",
"description": "Request body accepted by POST /api/v1/generate for fal-ai/orpheus-tts.",
"type": "object",
"properties": {
"model_id": {
"type": "string",
"const": "fal-ai/orpheus-tts",
"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"
},
"voice": {
"title": "Voice",
"description": "Orpheus pre-trained voice character. Click to preview any voice.",
"default": "tara",
"type": "string",
"enum": [
"tara",
"leah",
"jess",
"leo",
"dan",
"mia",
"zac",
"zoe"
]
},
"temperature": {
"title": "Temperature",
"description": "Generation randomness. Lower = more stable, higher = more expressive.",
"default": 0.7,
"type": "number",
"minimum": 0,
"maximum": 2,
"multipleOf": 0.05
},
"repetition_penalty": {
"title": "Repetition Penalty",
"description": "Discourages repeated sounds or words. 1.1 is the API minimum for stable generation.",
"default": 1.2,
"type": "number",
"minimum": 1.1,
"maximum": 2,
"multipleOf": 0.05
}
},
"required": [
"model_id",
"prompt"
],
"additionalProperties": false
}FAQ
How much does Orpheus TTS 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 Orpheus TTS fails?
Yes — failed generations are never charged. The credits are released back to your balance automatically.
Can I call Orpheus TTS from the API?
Yes. Use POST /api/v1/generate with model_id: "fal-ai/orpheus-tts". 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 Orpheus TTS?
Start now →No commitment. New accounts get 50 free credits on signup. See pricing.