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Gemini 3.1 Flash TTS Preview

Gemini 3.1 Flash text-to-speech model. Generates low-latency, prompt-steerable audio from text via the /v1/audio/speech endpoint.

google-vertex/gemini-3.1-flash-tts-preview
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Google Vertex AI Pricing for Gemini 3.1 Flash TTS Preview

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Google Vertex AI
Context: 8k
Input
$1
/M tokens
Cache Read
—
/M tokens
Output
$20
/M tokens
Audio Output
$20
/M tokens
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