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xAI v1 TTS API

xAI·Audio· 100.0% success (7d)

xAI text-to-speech v1.

Input
Text
Output
Audio

Pricing

Pay per generation. Pay with 350+ cryptocurrencies.

Per 1K chars

$0.02850%

OpenRouter $0.019

What xAI v1 TTS costs at volume

10 1K chars
$0.28
OpenRouter $0.19
100 1K chars
$2.81
OpenRouter $1.88
1,000 1K chars
$28.13
OpenRouter $18.75

Capabilities · 3

JSON mode Audio output 1 voices

Specifications

Context window
—
Max output
—
Type
Audio
Creator
xAI
Live sellers
8
Requests / 24h
—

Price history · 60 days

Sep 5 — Nov 4
Compare all top models

Quick start

OpenAI-compatible — change the base URL and key. Get a key from the dashboard.

from openai import OpenAI

client = OpenAI(base_url="https://api.qubax.ai/v1", api_key="YOUR_QUBAX_API_KEY")

audio = client.audio.speech.create(
    model="tts-xai-v1",
    input="Welcome to Qubax. This voice was generated by tts-xai-v1.",
)
audio.write_to_file("speech.mp3")

About xAI v1 TTS

xAI v1 TTS is a text-to-speech model from xAI. Send text to /v1/audio/speech and get spoken audio back, with multiple voice presets. It is billed per 1K characters of input.

As of Nov 4, 2026, xAI v1 TTS costs $0.028 per 1K chars on Qubax. Measured availability over the last 7 days: 100.0%. 8 independent compute providers currently serve it, so requests fail over automatically. Pay with USDC, USDT, BTC, ETH or 350+ other coins — no credit card required.

Voiceovers
Narration for videos, ads and explainers
Voice agents
Give chatbots and assistants a voice
Accessibility
Read articles and docs aloud

Frequently asked questions

How much does the xAI v1 TTS API cost?

On Qubax, xAI v1 TTS costs $0.028 per 1K chars.

Is the xAI v1 TTS API compatible with OpenAI?

Yes. Qubax provides an OpenAI-compatible API. You can use xAI v1 TTS as a drop-in replacement by changing your base URL to https://api.qubax.ai/v1 and using your Qubax API key. It works with Cline, Cursor, OpenCode, Hermes Agent, and any tool that supports OpenAI APIs.

How do I pay for xAI v1 TTS API usage?

Qubax uses prepaid crypto credits. Top up with USDC, USDT, BTC, ETH, SOL or 350+ other coins and your balance is deducted as you use the API. No credit card or KYC required.

What can I make with xAI v1 TTS?

xAI v1 TTS is a text-to-speech model. Common uses: voiceovers, voice agents and accessibility. Call it from your own code with a Qubax API key, or try it in Qubax Studio first.

Can I use xAI v1 TTS for commercial projects?

Yes. xAI v1 TTS on Qubax can be used for commercial purposes. You own the outputs you generate. Qubax provides the API infrastructure — you bring your use case.

Why use xAI v1 TTS on Qubax?

Live market prices

Providers compete on price — you get the cheapest healthy seller.

Pay with crypto

350+ coins (BTC, ETH, SOL, USDT, USDC). No card, no KYC.

OpenAI & Anthropic compatible

Drop-in base URL. Works with Cline, Cursor, Claude Code, OpenAI and Anthropic SDKs.

Get started free →

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xAI v1 TTS

$0.028 / 1K chars

Get API key