GPT-4o Mini TTS

Speech

gpt-4o-mini-tts

OpenAI|Created May 25, 2025

Speech

A text-to-speech model built on GPT-4o mini, a fast and powerful language model. Use it to convert text into natural-sounding spoken audio.

Overview Specifications Activity Performance Uptime Examples

Pricing-50%

Pay-as-you-go rates for this model. More details can be found here.

Speech (1k)

$0.0076

Capabilities

Input Modalities

Text

Output Modalities

Audio

Supported Parameters

Available parameters for API requests

InstructionsSpeedResponse Format

Usage Analytics

Token usage of this model on our platform

Throughput

Time-To-First-Token (TTFT)

Not enough TTFT data

Code Example

Example code for using this model through our API with Python (OpenAI SDK) or cURL. Replace placeholders with your API key and model ID.

Basic request example. Ensure API key permissions. For more details, see our documentation.

from openai import OpenAI
from pathlib import Path

client = OpenAI(base_url="https://api.naga.ac/v1", api_key="YOUR_API_KEY")

speech_file_path = Path("speech.mp3")
resp = client.audio.speech.create(
    model="gpt-4o-mini-tts",
    voice="alloy",
    input="Hello from NagaAI Text-to-Speech!"
)
resp.stream_to_file(speech_file_path)