MistralText to Speech/v1/media/queue

Voxtral TTS 3 API

Voxtral TTS 3 text to speech — 66 preset voices with emotion and pace tags, billed on input length.

Mistral's Voxtral TTS 3 with a library of 66 preset voices, including emotion-tagged speakers, plus emotion and pace tags in the input for directing delivery inside the text.

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Voxtral TTS 3 API pricing

Pay per request from your YepAPI balance — no subscription, no monthly minimum. Prices updated October 23, 2026.

Billing	Price
Rate	$0.0302/1K chars

What it costs	Per job
Short reply200 characters	$0.006
Blog post narration10,000 characters (~1,600 words)	$0.302
Audiobook chapter100,000 characters	$3.02

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.

Voxtral TTS 3 specs

Provider	Mistral
Model ID	mistralai/voxtral-mini-tts-3-0
Endpoint	/v1/media/queue
Type	Text to Speech
Output formats	mp3
Voices	12 presets (default en_paul_neutral)

How to get a Voxtral TTS 3 API key

1
Create a free account
Sign up at yepapi.com with Google or email. It takes about 30 seconds and needs no card.
2
Create an API key
Open the dashboard, go to API Keys and create a key. Copy it — it starts with yep_sk_.
3
Call Voxtral TTS 3
Send a request to /v1/media/queue with the x-api-key header and model "mistralai/voxtral-mini-tts-3-0".
4
Pay as you go
Usage is billed per request from your balance. Top up any amount; there is no subscription.

Strengths

✓

66 preset voices

A larger preset library than Voxtral Mini TTS: emotion-tagged named speakers plus dozens of additional numbered voices.

✓

Emotion by voice ID

Named speakers such as `en_paul_*`, `gb_jane_*`, and `fr_marie_*` carry the delivery in the ID — neutral, happy, sad, angry, confident, and more.

✓

Emotion and pace tags

Tags written into the input steer emotion and pacing without switching voices.

✓

Natural-sounding speech

Converts text into natural-sounding speech from a single Mistral model.

Quick start

Copy this snippet and start making calls with Voxtral TTS 3.

// 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": "mistralai/voxtral-mini-tts-3-0",
    "prompt": "Okay, deep breath. The results are in, and honestly? They're better than any of us expected.",
    "options": {
      "voice": "en_paul_neutral"
    }
  }),
});
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? }

Voxtral TTS 3 vs similar models

Every model below runs on the same API key — switch by changing the model ID.

Model	Provider	Price
Voxtral TTS 3	Mistral	$0.0302/1K chars
Voxtral Mini TTS	Mistral	$0.0338/1K chars
Kokoro 82M	hexgrad	$0.0014/1K chars
Fish Audio Drama 3	Fish Audio	$0.0042/1K chars
HeyGen Voice Turbo	HeyGen	$0.0084/1K chars
Sesame CSM 1B	Sesame	$0.0148/1K chars
MAI-Voice-2.1 Flash	Microsoft	$0.0316/1K chars
HeyGen Voice	HeyGen	$0.0316/1K chars

Why use Voxtral TTS 3 through YepAPI?

✓One API key for all models — no separate accounts

✓No monthly minimums — pay per call

✓Switch models with one line of code

✓Simple REST API — works from any language

✓Unified billing across all providers

✓No rate limits for most use cases

Voxtral TTS 3 API — 66 preset voices from Mistral

Voxtral TTS 3 is Mistral's text-to-speech model. It converts text into natural-sounding speech, ships a library of 66 preset voices, and accepts emotion and pace tags in the input for directing delivery.

Named speakers such as `en_paul_neutral` and `gb_jane_confident` keep the emotion in the voice ID, so the same request produces the same read. On YepAPI it costs $0.0302 per 1,000 characters through the media queue.

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What developers say

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“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
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Indie Hacker

Frequently asked questions

Mistral's Voxtral TTS 3 with a library of 66 preset voices, including emotion-tagged speakers, plus emotion and pace tags in the input for directing delivery inside the text.

Voxtral TTS 3 costs $0.0302/1K chars through YepAPI, billed per request with no monthly fee. For example, a short reply (200 characters) costs about $0.006.

Sign up at yepapi.com (Google or email, about 30 seconds), open the dashboard and create an API key. The same key works for Voxtral TTS 3 and every other model — no separate Mistral account or waitlist.

New YepAPI accounts in most countries get free signup credit, enough to test Voxtral TTS 3 without a card. After that you pay per request at the rates above — there is no subscription.

Use "mistralai/voxtral-mini-tts-3-0" as the model on /v1/media/queue. The short alias "voxtral-3" also works.

Ready to use Voxtral TTS 3?

$5 free credit on signup. No credit card required. Pay per call.

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