Gemini 2.5 Flash Preview Tts · aihubmix

Gemini 2.5 Flash Preview TTS is a lightweight, low-latency text-to-speech model designed for real-time voice generation. It produces natural, expressive speech with accurate control over tone, style, and pacing, while dynamically adjusting speaking speed based on context and instructions. The model also maintains consistent and distinguishable voices across multi-turn and multi-speaker conversations, making it well-suited for interactive and conversational applications that require stable, high-quality audio output.

Base model All models on this base All models of the provider to the provider

Input, $/1M $0.50

Output, $/1M $0.50

Context —

Accepts text

Last checked 04.11.2026 12:00:14 UTC

Source provider's page

Price alerts

API

OpenAI-compatible API: the official OpenAI SDKs work with this base URL. Replace YOUR_API_KEY with your key from the provider.

API base URL	`https://aihubmix.com/api/v1`
Endpoint	`https://aihubmix.com/api/v1/audio/speech`
Model id	`gemini-2.5-flash-preview-tts`

curl

curl https://aihubmix.com/api/v1/audio/speech \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "gemini-2.5-flash-preview-tts", "input": "Hello!", "voice": "alloy"}'

Python

import requests

r = requests.post(
    "https://aihubmix.com/api/v1/audio/speech",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "gemini-2.5-flash-preview-tts",
      "input": "Hello!",
      "voice": "alloy"
    },
)
print(r.json())

JavaScript

const r = await fetch("https://aihubmix.com/api/v1/audio/speech", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "gemini-2.5-flash-preview-tts",
    "input": "Hello!",
    "voice": "alloy"
  }),
});
console.log(await r.blob());

Request (JSON)

{
  "model": "gemini-2.5-flash-preview-tts",
  "input": "Hello!",
  "voice": "alloy"
}

Response (JSON)

audio bytes (audio/mpeg)

The address is taken from the provider's model list; check it against the provider's documentation.

Provider's API documentation

Source: AI Rate Card, https://airatecard.com/en/c/offer%3Aaihubmix%7Cgemini-2.5-flash-preview-tts, prices checked 2026-11-04; seller's page: https://aihubmix.com

Technical details

ID: offer:aihubmix|gemini-2.5-flash-preview-tts