This page is auto-generated from model configurations. Last updated: 2026-03-13.
This reference lists all available Google audio generation models and their parameters. Use these parameter names when calling the Generation API.
Gemini 2.5 Flash TTS
Convert text to natural-sounding speech using Google's Gemini 2.5 Flash model with multiple voice presets.
Model ID: model_google-gemini-2-5-flash-tts
Capabilities: txt2audio
LLM Markdown: https://app.scenario.com/api/models/model_google-gemini-2-5-flash-tts/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
text | string | Yes | - | - | - | - | Text to convert to speech |
voice | string | No | Puck | - | - | Achernar, Achird, Algenib, Algieba, Alnilam, Aoede, Autonoe, Callirrhoe, Charon, Despina, Enceladus, Erinome, Fenrir, Gacrux, Iapetus, Kore, Laomedeia, Leda, Orus, Pulcherrima, Puck, Rasalgethi, Sadachbia, Sadaltager, Schedar, Sulafat, Umbriel, Vindemiatrix, Zephyr, Zubenelgenubi | Voice preset to use for speech synthesis |
language | string | No | en-US | - | - | ar-EG, bn-BD, de-DE, en-IN, en-US, es-US, fr-FR, hi-IN, id-ID, it-IT, ja-JP, ko-KR, mr-IN, nl-NL, pl-PL, pt-BR, ro-RO, ru-RU, ta-IN, te-IN, th-TH, tr-TR, uk-UA, vi-VN | Language for speech synthesis (auto-detected if not specified) |
Gemini 2.5 Pro TTS
Convert text to natural-sounding speech using Google's Gemini 2.5 Pro model with multiple voice presets.
Model ID: model_google-gemini-2-5-pro-tts
Capabilities: txt2audio
LLM Markdown: https://app.scenario.com/api/models/model_google-gemini-2-5-pro-tts/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
text | string | Yes | - | - | - | - | Text to convert to speech |
voice | string | No | Puck | - | - | Achernar, Achird, Algenib, Algieba, Alnilam, Aoede, Autonoe, Callirrhoe, Charon, Despina, Enceladus, Erinome, Fenrir, Gacrux, Iapetus, Kore, Laomedeia, Leda, Orus, Pulcherrima, Puck, Rasalgethi, Sadachbia, Sadaltager, Schedar, Sulafat, Umbriel, Vindemiatrix, Zephyr, Zubenelgenubi | Voice preset to use for speech synthesis |
language | string | No | en-US | - | - | ar-EG, bn-BD, de-DE, en-IN, en-US, es-US, fr-FR, hi-IN, id-ID, it-IT, ja-JP, ko-KR, mr-IN, nl-NL, pl-PL, pt-BR, ro-RO, ru-RU, ta-IN, te-IN, th-TH, tr-TR, uk-UA, vi-VN | Language for speech synthesis (auto-detected if not specified) |
Google Lyria 2
Model ID: model_lyria-2
Capabilities: txt2audio
LLM Markdown: https://app.scenario.com/api/models/model_lyria-2/markdown
| Parameter | Type | Required | Default | Min | Max | Allowed Values | Description |
|---|---|---|---|---|---|---|---|
prompt | string | Yes | - | - | - | - | Text prompt for audio generation |
negativePrompt | string | No | - | - | - | - | Description of what to exclude from the generated audio |
seed | number | No | - | - | - | - | Use a seed for reproducible results. Leave blank to use a random seed. |
Updated about 4 hours ago