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.

gemini-3.1-flash-tts-preview
STABLEGet StartedView uptime
8,000 context
Starting at $1.00/M input tokens
Starting at $20.00/M output tokens
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All Providers for Gemini 3.1 Flash TTS Preview

LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.

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