Gemini 2.5 Pro Preview TTS

Gemini 2.5 Pro text-to-speech model. Generates high-quality, controllable single-speaker audio from text via the /v1/audio/speech endpoint.

gemini-2.5-pro-preview-tts
STABLEGet StartedView uptime
8,000 context
Released May 20, 2025
Starting at $1.00/M input tokens
Starting at $20.00/M output tokens
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All Providers for Gemini 2.5 Pro Preview TTS

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

Frequently asked questions

What is Gemini 2.5 Pro Preview TTS?

Gemini 2.5 Pro text-to-speech model. Generates high-quality, controllable single-speaker audio from text via the /v1/audio/speech endpoint. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.

How much does Gemini 2.5 Pro Preview TTS cost?

Pricing for Gemini 2.5 Pro Preview TTS on LLM Gateway starts at $1.00 per million input tokens and $20.00 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.

What is the context length of Gemini 2.5 Pro Preview TTS?

Gemini 2.5 Pro Preview TTS supports a context window of up to 8,000 tokens on its largest provider deployment.

Which providers serve Gemini 2.5 Pro Preview TTS?

Gemini 2.5 Pro Preview TTS is served by Google AI Studio, Google Vertex AI through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.

Does Gemini 2.5 Pro Preview TTS support tool calling and structured outputs?

No. Gemini 2.5 Pro Preview TTS does not currently support tool calling or structured JSON outputs through LLM Gateway.

When was Gemini 2.5 Pro Preview TTS released?

Gemini 2.5 Pro Preview TTS was released on May 20, 2025.