Gemini 2.5 Flash Preview TTS

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

gemini-2.5-flash-preview-tts
STABLEGet StartedView uptime
8,000 context
Released May 20, 2025
Starting at $0.50/M input tokens
Starting at $10.00/M output tokens
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Select Provider

All Providers for Gemini 2.5 Flash 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
$0.5
/M tokens
Cache Read
/M tokens
Output
$10
/M tokens
Audio Output
$10
/M tokens
Get Started

Frequently asked questions

What is Gemini 2.5 Flash Preview TTS?

Gemini 2.5 Flash text-to-speech model. Generates natural, 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 Flash Preview TTS cost?

Pricing for Gemini 2.5 Flash Preview TTS on LLM Gateway starts at $0.50 per million input tokens and $10.00 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 Flash Preview TTS?

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

Which providers serve Gemini 2.5 Flash Preview TTS?

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

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

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

When was Gemini 2.5 Flash Preview TTS released?

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