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Google TTS Gemini 2.5 Pro (Preview)

Google model available through the Celeste SDK. Explore its supported operations and parameters.

See the code
Model IDgemini-2.5-pro-preview-tts

What it can do.

Streaming
celeste.audio.speakTurn text into speech

Parameters.

Supported controls from Celeste’s model registry. Values and availability differ between models.

Google TTS Gemini 2.5 Pro (Preview) parameters and constraints
ParameterAccepted values
language
afsqamarhyazeubebnbgmycacebhrcsdanlenetfilfifrglkadeelguhthehihuisiditjajvknkokkololalvltlbmkmaimgmsmlcmnmrmnnenbnnorpsfaplptparorusrsdsiskslesswsvtatethtrukurvi
output_format
audio/mpegaudio/wavaudio/oggaudio/pcm
voiceVoice ID

Start with a few lines

Put it to work.

Use your provider credentials. Call the model through the SDK and build around its output.

Speak
import celeste
response = await celeste.audio.speak(
    model="gemini-2.5-pro-preview-tts",
    text="Some ideas start with a sentence."
)
audio = response.content

This example uses audio.speak. Explore the quickstart for installation and authentication.