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ElevenLabs Eleven v4 Turbo API - Fast Text to Speech | Muapi: AI Audio & Music

Call the ElevenLabs Eleven v4 Turbo API for fast, low-cost text-to-speech. Up to 5,000 characters per request, $0.04 per 1,000 characters, async polling and webhooks.

Interactive model controls

Eleven v4 Turbo is ElevenLabs' lower-latency, lower-cost text-to-speech model with natural, expressive single-voice narration. Send up to 5,000 characters and get back a studio-quality MP3 — ideal for fast voiceovers, bulk narration and app audio.

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Overview

About this model

Eleven v4 Turbo is ElevenLabs' lower-latency, lower-cost text-to-speech model for natural, human-sounding narration. Through Muapi you call it with a single endpoint, pick a voice, and receive a hosted MP3 asynchronously via polling or webhook.

Up to 5,000 characters per request makes it a strong fit for voiceovers, ad reads, short audiobooks and in-app narration.

1Voiceovers for videos, ads and social content
2Narration for explainers, courses and audiobooks
3In-app and IVR prompts with natural delivery
4Accessibility: turn articles and docs into audio
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Pricing & Value

Cost analysis

muapiapp$0.04 / 1K chars

$0.04 per 1,000 characters.

** Competitor pricing is estimated based on similar model architectures and usage tiers.

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Technical Details

Configuration schema

Promptstring

Text to speak (up to 5,000 characters).

Default ValueWelcome to the future of voice. This is Eleven v4 Turbo, fast and natural.
VoiceEnum (2 options)

Voice to use for the narration.

Default Valuevoice_daniel
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Implementation Guide

Developer documentation

How to Use Eleven v4 Turbo

  1. Write the text: up to 5,000 characters in prompt.
  2. Pick a voice: voice_id (voice_daniel or voice_liam).
  3. Submit: POST to /api/v1/elevenlabs-v4-turbo with your x-api-key; you receive a request_id.
  4. Collect the result: poll /api/v1/predictions/{request_id}/result or pass a webhook URL to be notified when the MP3 is ready.
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Common Questions

Frequently asked

How long can the text be?

Up to 5,000 characters per request.

What format is the output?

A hosted MP3 file.

How much does Eleven v4 Turbo cost?

$0.04 per 1,000 characters.