Gemini 3.8 Flash TTS

{
  "model_id": "google/gemini-3.8-flash-tts",
  "prompt": "Take a breath. <short pause> Your next great idea starts here."
}

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.artemotion.ai/api/v1/models?id=google%2Fgemini-3.8-flash-tts",
  "title": "Gemini 3.8 Flash TTS generation request",
  "description": "Request body accepted by POST /api/v1/generate for google/gemini-3.8-flash-tts.",
  "type": "object",
  "properties": {
    "model_id": {
      "type": "string",
      "const": "google/gemini-3.8-flash-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",
      "minLength": 1,
      "maxLength": 5000,
      "description": "Exact speech text. Inline vocal tags are supported. Combined script, repeated turn styles and settings must fit within 7,000 UTF-8 bytes."
    },
    "voice": {
      "title": "Voice",
      "description": "Prebuilt voice for single-speaker narration. Dialogue uses the speaker mapping below.",
      "default": "Kore",
      "type": "string",
      "enum": [
        "Achernar",
        "Achird",
        "Algenib",
        "Algieba",
        "Alnilam",
        "Aoede",
        "Autonoe",
        "Callirrhoe",
        "Charon",
        "Despina",
        "Enceladus",
        "Erinome",
        "Fenrir",
        "Gacrux",
        "Iapetus",
        "Kore",
        "Laomedeia",
        "Leda",
        "Orus",
        "Puck",
        "Pulcherrima",
        "Rasalgethi",
        "Sadachbia",
        "Sadaltager",
        "Schedar",
        "Sulafat",
        "Umbriel",
        "Vindemiatrix",
        "Zephyr",
        "Zubenelgenubi"
      ]
    },
    "speakers": {
      "title": "Speakers",
      "description": "Omit for narration. For dialogue, supply exactly two unique speaker names; every script line must start with a configured Name: prefix.",
      "type": "array",
      "maxItems": 2,
      "oneOf": [
        {
          "maxItems": 0
        },
        {
          "minItems": 2,
          "maxItems": 2
        }
      ],
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "speaker",
          "voice"
        ],
        "properties": {
          "speaker": {
            "type": "string",
            "minLength": 1,
            "maxLength": 40,
            "pattern": "^[^:\\r\\n]+$"
          },
          "voice": {
            "type": "string",
            "enum": [
              "Achernar",
              "Achird",
              "Algenib",
              "Algieba",
              "Alnilam",
              "Aoede",
              "Autonoe",
              "Callirrhoe",
              "Charon",
              "Despina",
              "Enceladus",
              "Erinome",
              "Fenrir",
              "Gacrux",
              "Iapetus",
              "Kore",
              "Laomedeia",
              "Leda",
              "Orus",
              "Puck",
              "Pulcherrima",
              "Rasalgethi",
              "Sadachbia",
              "Sadaltager",
              "Schedar",
              "Sulafat",
              "Umbriel",
              "Vindemiatrix",
              "Zephyr",
              "Zubenelgenubi"
            ]
          }
        }
      }
    },
    "style_instructions": {
      "title": "Delivery Style",
      "description": "Up to 500 characters. E.g. warm, conversational, speaking slowly. These directions are not spoken aloud.",
      "default": "",
      "type": "string",
      "maxLength": 500
    },
    "temperature": {
      "title": "Temperature",
      "default": 1,
      "type": "number",
      "minimum": 0,
      "maximum": 2,
      "multipleOf": 0.05
    },
    "duration": {
      "type": "number",
      "title": "Audio Budget (up to seconds)",
      "description": "Audio-token budget expressed in seconds, billed as a fixed quoted allowance. Output may be shorter or cut off at this cap.",
      "default": 60,
      "enum": [
        15,
        30,
        60,
        120,
        300,
        600
      ]
    }
  },
  "required": [
    "model_id",
    "prompt"
  ],
  "additionalProperties": false
}