gemini-2.5-pro-preview-tts is Google's speech generation model, designed for controllable voice, narration, and audio delivery.
Modalities
inTextoutAudio
Price
$0.95/ 1M in
Context
8K
Channels
Every channel serves the same model, but they differ in price and stability. On each API key in the Platform, you pick a primary and a backup channel per vendor, and each billing line shows which channel served the request.
Provider
Discount
Input /M
Cache read /M
Defaultcheap
—
$0.95
—
Officialstable
—
$1.10
—
Context pricing
This model’s price depends on how much input context a request carries. The headline price is the cheapest band, and a longer prompt moves the whole request into a higher one.
Input context
Input /M
Output /M
Defaultcheap
standardBase
$0.95
$19.00
Officialstable
standardBase
$1.10
$22.00
Quick start
POST /v1/audio/speechimport os from openai import OpenAI client = OpenAI( base_url="https://api.mirapi.ai/v1", # changed api_key=os.environ["MIRAPI_API_KEY"], # changed ) with client.audio.speech.with_streaming_response.create( model="gemini-2.5-pro-preview-tts", voice="alloy", input="The quick brown fox jumped over the lazy dog.", ) as resp: resp.stream_to_file("speech.mp3")
import fs from "node:fs"; import OpenAI from "openai"; const client = new OpenAI({ baseURL: "https://api.mirapi.ai/v1", // changed apiKey: process.env.MIRAPI_API_KEY, // changed }); const mp3 = await client.audio.speech.create({ model: "gemini-2.5-pro-preview-tts", voice: "alloy", input: "The quick brown fox jumped over the lazy dog.", }); fs.writeFileSync("speech.mp3", Buffer.from(await mp3.arrayBuffer()));
curl https://api.mirapi.ai/v1/audio/speech \ -H "Authorization: Bearer $MIRAPI_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "gemini-2.5-pro-preview-tts", "voice": "alloy", "input": "The quick brown fox jumped over the lazy dog." }' \ --output speech.mp3
Links
Wire gemini-2.5-pro-preview-tts into your product
Start free1M free tokens to start, no card required. It’s OpenAI-compatible, so you only change the base URL.