# tts-1 — API, pricing & specs via nRouter

> tts-1 is available through nRouter, the managed LLM gateway: one OpenAI-compatible API key, 0% token markup (exact provider list pricing), 0% platform fee, built-in guardrails, and per-request cost tracking.

## What it is

Low-latency text-to-speech model from OpenAI optimized for real-time voice generation and interactive conversational applications.

Source: https://platform.openai.com/docs/models/tts-1.md

## Facts

- Maker: OpenAI
- Released: 2023-11-06
- Served on: OpenAI

## Use it

```python
from openai import OpenAI

client = OpenAI(
    base_url="https://api.nrouter.ai/v1",
    api_key="sk-nrouter-YOUR_KEY",  # create one at https://nrouter.ai/signup
)

response = client.chat.completions.create(
    model="openai/tts-1",
    messages=[{"role": "user", "content": "Hello"}],
)
```

Model page: https://nrouter.ai/models/tts-1
Full nRouter index for AI engines: https://nrouter.ai/llms.txt
Docs: https://nrouter.ai/docs