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google /gemini-3.1-flash-tts:e165f56d

Input schema

The fields you can use to run this model with an API. If you don’t give a value for a field its default value will be used.

Field Type Default value Description
text
string
The text to convert to speech. Supports markup tags like " "[sigh], [laughing], [whispering], [shouting], [extremely fast] for " "expressive delivery. Maximum 4,000 bytes.
voice
None
Kore
Voice to use for speech generation
prompt
string
Say the following.
Style instructions to control how the text is spoken. " "Use natural language to describe the desired tone, pace, accent, " 'and emotion. For example: "Say this in a calm, professional tone" ' 'or "Speak with excitement and energy". Maximum 4,000 bytes.
language_code
None
en-US
Language for the speech output

Output schema

The shape of the response you’ll get when you run this model with an API.

Schema
{'format': 'uri', 'title': 'Output', 'type': 'string'}