Grok Voice TTS 1.0
Grok Voice TTS 1.0 text to speech — 20+ languages, automatic detection, billed on input length.
xAI's text-to-speech model. Five built-in voices across 20+ languages with automatic language detection, so a multilingual corpus needs no per-request language tagging.
No credit card required. Takes 30 seconds.
2,400+
Developers
1.2M+
API calls served
100+
Endpoints
$0.01
Per call
Yep, that's it.
Playground coming soon — use the API endpoint directly with your API key.
Pricing
Per character: $0.0317/1K chars
Endpoint
/v1/media/queue
Strengths
Broad language coverage from a single model and a single voice identity.
The model identifies the input language itself — no locale parameter to plumb through your pipeline.
Eve, Ara, Rex, Sal, and Leo cover a usable range without an overwhelming catalogue.
The same voice carries across languages, which matters for multilingual products with one brand voice.
Quick start
Copy this snippet and start making calls with Grok Voice TTS 1.0.
// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
method: 'POST',
headers: {
'x-api-key': 'YOUR_API_KEY',
'Content-Type': 'application/json',
},
body: JSON.stringify({
"model": "x-ai/grok-voice-tts-1.0",
"prompt": "Good evening. Tonight's headlines: markets closed higher, the storm warning has been lifted, and the transit strike is over.",
"options": {
"voice": "eve"
}
}),
});
const { data } = await res.json();
const jobId = data.jobId;
// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${jobId}`, {
headers: { 'x-api-key': 'YOUR_API_KEY' },
});
const { data: job } = await status.json();
// job.status: "pending" | "processing" | "completed" | "failed"
// job.result: { text?, image?, audio?, video? }Why use Grok Voice TTS 1.0 through YepAPI?
Grok Voice TTS API — multilingual speech from xAI
Grok Voice TTS 1.0 is xAI's text-to-speech model. It converts text into spoken audio across more than 20 languages and detects the input language automatically, so mixed-language content needs no per-request tagging.
Five built-in voices — Eve, Ara, Rex, Sal, and Leo — keep a single brand voice consistent across every language. Billed at $0.0317 per 1,000 characters on YepAPI's media queue.
Start generating in 30 seconds
$5 free credit on signup. No credit card required. Pay per call.
What developers say
“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”
“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”
“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Frequently asked questions
xAI's text-to-speech model. Five built-in voices across 20+ languages with automatic language detection, so a multilingual corpus needs no per-request language tagging.
Pricing for Grok Voice TTS 1.0 through YepAPI is based on usage. No monthly minimums — you only pay for what you use.
Sign up for a free API key, then send requests to the /v1/media/queue endpoint.
Ready to use Grok Voice TTS 1.0?
$5 free credit on signup. No credit card required. Pay per call.
Explore more models
Grok 4.3
xAIAccess Grok 4.3 through one API key. xAI's latest model with 1M context.
Grok 4.20
xAIAccess Grok 4.20 through one API key. xAI's flagship model with the largest context window.
Grok 4.20 Multi-Agent
xAIAccess Grok 4.20 Multi-Agent through one API key. Multi-agent orchestration with 2M context.