API docsAPI reference

Gemini 3.8 Flash TTS · Get one model

Model objects with slug, name, type, vendor, params and providers. Provider entries include their effective params and price tiers.

GET/api/v1/models/{slug}Public · No API key

gemini-3.8-flash-ttsAudio · GoogleModel details & pricing

Endpoints for this model

POST/generationsCreate a generation GET/generations/{id}Get the result POST/generations/{id}/cancelCancel a task POST/quoteQuote GET/models/{slug}Get one model

Parameter scope

Select a provider to see its effective parameter limits. Automatic routing chooses a provider that supports your input. Examples include defaults and required inputs; replace example media URLs with accessible files.

Request

cURL

curl 'https://01router.com/api/v1/models/gemini-3.8-flash-tts'

Input parameters

Query / path parameters

slug string · pathRequired: Model slug from the catalog. Project keys may use a project-specific model slug.
Allowed values:"gemini-3.8-flash-tts"

Response example

200 · application/json

{
  "slug": "gemini-3.8-flash-tts",
  "name": "Gemini 3.8 Flash TTS",
  "type": "audio",
  "vendor": "Google",
  "description": "Google Gemini 3.8 Flash TTS: expressive speech in 30 voices with natural-language style control and inline vocal events like <laugh>.",
  "tags": [
    "text-to-speech",
    "voice"
  ],
  "coverUrl": "",
  "params": [
    {
      "name": "prompt",
      "type": "text",
      "label": "Text",
      "required": true
    },
    {
      "name": "voice",
      "type": "enum",
      "label": "Voice",
      "options": [
        "Kore",
        "Puck",
        "Charon",
        "Fenrir",
        "Leda",
        "Orus",
        "Aoede",
        "Zephyr",
        "Callirrhoe",
        "Autonoe",
        "Enceladus",
        "Iapetus",
        "Umbriel",
        "Algieba",
        "Despina",
        "Erinome",
        "Algenib",
        "Rasalgethi",
        "Laomedeia",
        "Achernar",
        "Alnilam",
        "Schedar",
        "Gacrux",
        "Pulcherrima",
        "Achird",
        "Zubenelgenubi",
        "Vindemiatrix",
        "Sadachbia",
        "Sadaltager",
        "Sulafat"
      ],
      "default": "Kore"
    },
    {
      "name": "style_instructions",
      "type": "string",
      "label": "Style",
      "description": "e.g. \"cheerful and friendly\"; billing depends on the provider"
    }
  ],
  "providers": [
    {
      "provider": "fal",
      "providerName": "fal.ai",
      "discount": 90,
      "preferred": false,
      "params": [
        {
          "name": "prompt",
          "type": "text",
          "label": "Text",
          "required": true
        },
        {
          "name": "voice",
          "type": "enum",
          "label": "Voice",
          "options": [
            "Kore",
            "Puck",
            "Charon",
            "Fenrir",
            "Leda",
            "Orus",
            "Aoede",
            "Zephyr",
            "Callirrhoe",
            "Autonoe",
            "Enceladus",
            "Iapetus",
            "Umbriel",
            "Algieba",
            "Despina",
            "Erinome",
            "Algenib",
            "Rasalgethi",
            "Laomedeia",
            "Achernar",
            "Alnilam",
            "Schedar",
            "Gacrux",
            "Pulcherrima",
            "Achird",
            "Zubenelgenubi",
            "Vindemiatrix",
            "Sadachbia",
            "Sadaltager",
            "Sulafat"
          ],
          "default": "Kore"
        },
        {
          "name": "style_instructions",
          "type": "string",
          "label": "Style",
          "description": "e.g. \"cheerful and friendly\"; billing depends on the provider"
        }
      ],
      "prices": [
        {
          "unit": "kchar",
          "conditions": {},
          "priceMicros": 40500,
          "originalMicros": 45000,
          "credits": 1
        }
      ]
    },
    {
      "provider": "wavespeed",
      "providerName": "WaveSpeedAI",
      "discount": 90,
      "preferred": false,
      "params": [
        {
          "name": "prompt",
          "type": "text",
          "label": "Text",
          "required": true,
          "maxLength": 8000
        },
        {
          "name": "voice",
          "type": "enum",
          "label": "Voice",
          "options": [
            "Kore",
            "Puck",
            "Charon",
            "Fenrir",
            "Leda",
            "Orus",
            "Aoede",
            "Zephyr",
            "Callirrhoe",
            "Autonoe",
            "Enceladus",
            "Iapetus",
            "Umbriel",
            "Algieba",
            "Despina",
            "Erinome",
            "Algenib",
            "Rasalgethi",
            "Laomedeia",
            "Achernar",
            "Alnilam",
            "Schedar",
            "Gacrux",
            "Pulcherrima",
            "Achird",
            "Zubenelgenubi",
            "Vindemiatrix",
            "Sadachbia",
            "Sadaltager",
            "Sulafat"
          ],
          "default": "Kore"
        },
        {
          "name": "style_instructions",
          "type": "string",
          "label": "Style",
          "description": "e.g. \"cheerful and friendly\"; billing depends on the provider",
          "maxLength": 2000
        }
      ],
      "prices": [
        {
          "unit": "kchar",
          "conditions": {},
          "priceMicros": 45000,
          "originalMicros": 50000,
          "credits": 1
        }
      ]
    },
    {
      "provider": "kie",
      "providerName": "KIE AI",
      "discount": 90,
      "preferred": false,
      "params": [
        {
          "name": "prompt",
          "type": "text",
          "label": "Text",
          "required": true,
          "maxLength": 8000
        },
        {
          "name": "voice",
          "type": "enum",
          "label": "Voice",
          "options": [
            "Kore",
            "Puck",
            "Charon",
            "Fenrir",
            "Leda",
            "Orus",
            "Aoede",
            "Zephyr",
            "Callirrhoe",
            "Autonoe",
            "Enceladus",
            "Iapetus",
            "Umbriel",
            "Algieba",
            "Despina",
            "Erinome",
            "Algenib",
            "Rasalgethi",
            "Laomedeia",
            "Achernar",
            "Alnilam",
            "Schedar",
            "Gacrux",
            "Pulcherrima",
            "Achird",
            "Zubenelgenubi",
            "Vindemiatrix",
            "Sadachbia",
            "Sadaltager",
            "Sulafat"
          ],
          "default": "Kore"
        },
        {
          "name": "style_instructions",
          "type": "string",
          "label": "Style",
          "description": "e.g. \"cheerful and friendly\"; billing depends on the provider",
          "maxLength": 2000
        }
      ],
      "prices": [
        {
          "unit": "input_token",
          "conditions": {},
          "priceMicros": 315000,
          "originalMicros": 350000,
          "credits": 32
        },
        {
          "unit": "output_token",
          "conditions": {},
          "priceMicros": 5670000,
          "originalMicros": 6300000,
          "credits": 567
        }
      ]
    },
    {
      "provider": "vercel",
      "providerName": "Vercel AI Gateway",
      "discount": 90,
      "preferred": false,
      "params": [
        {
          "name": "prompt",
          "type": "text",
          "label": "Text",
          "required": true,
          "maxLength": 8000
        },
        {
          "name": "voice",
          "type": "enum",
          "label": "Voice",
          "options": [
            "Kore",
            "Puck",
            "Charon",
            "Fenrir",
            "Leda",
            "Orus",
            "Aoede",
            "Zephyr",
            "Callirrhoe",
            "Autonoe",
            "Enceladus",
            "Iapetus",
            "Umbriel",
            "Algieba",
            "Despina",
            "Erinome",
            "Algenib",
            "Rasalgethi",
            "Laomedeia",
            "Achernar",
            "Alnilam",
            "Schedar",
            "Gacrux",
            "Pulcherrima",
            "Achird",
            "Zubenelgenubi",
            "Vindemiatrix",
            "Sadachbia",
            "Sadaltager",
            "Sulafat"
          ],
          "default": "Kore"
        },
        {
          "name": "style_instructions",
          "type": "string",
          "label": "Style",
          "description": "e.g. \"cheerful and friendly\"; billing depends on the provider",
          "maxLength": 2000
        }
      ],
      "prices": [
        {
          "unit": "input_token",
          "conditions": {},
          "priceMicros": 450000,
          "originalMicros": 500000,
          "credits": 45
        },
        {
          "unit": "output_token",
          "conditions": {},
          "priceMicros": 8100000,
          "originalMicros": 9000000,
          "credits": 810
        }
      ]
    },
    {
      "provider": "openrouter",
      "providerName": "OpenRouter",
      "discount": 90,
      "preferred": false,
      "params": [
        {
          "name": "prompt",
          "type": "text",
          "label": "Text",
          "required": true,
          "maxLength": 8000
        },
        {
          "name": "voice",
          "type": "enum",
          "label": "Voice",
          "options": [
            "Kore",
            "Puck",
            "Charon",
            "Fenrir",
            "Leda",
            "Orus",
            "Aoede",
            "Zephyr",
            "Callirrhoe",
            "Autonoe",
            "Enceladus",
            "Iapetus",
            "Umbriel",
            "Algieba",
            "Despina",
            "Erinome",
            "Algenib",
            "Rasalgethi",
            "Laomedeia",
            "Achernar",
            "Alnilam",
            "Schedar",
            "Gacrux",
            "Pulcherrima",
            "Achird",
            "Zubenelgenubi",
            "Vindemiatrix",
            "Sadachbia",
            "Sadaltager",
            "Sulafat"
          ],
          "default": "Kore"
        },
        {
          "name": "style_instructions",
          "type": "string",
          "label": "Style",
          "description": "e.g. \"cheerful and friendly\"; billing depends on the provider",
          "maxLength": 2000
        }
      ],
      "prices": [
        {
          "unit": "input_token",
          "conditions": {},
          "priceMicros": 450000,
          "originalMicros": 500000,
          "credits": 45
        },
        {
          "unit": "output_token",
          "conditions": {},
          "priceMicros": 8100000,
          "originalMicros": 9000000,
          "credits": 810
        }
      ]
    }
  ],
  "fromMicros": 40500,
  "fromOriginalMicros": 45000,
  "fromUnit": "kchar"
}

Responses are illustrative. IDs, usage, prices and results depend on the actual request.

Response fields

slug string: Model slug from the catalog. Project keys may use a project-specific model slug.
params array: Parameter definitions: name, type, required, default, options, min, max, maxItems and maxLength when configured.
providers array: Available providers with their parameter constraints and public price tiers.

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