New — access 450+ AI models through one unified API.Start building free

eleven-v3

ElevenLabs eleven-v3 is a text-to-speech model available as a hosted endpoint; requests cost $0.1 per 1000 characters. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

text-to-audio$0.0500/ run

Prompt

Enhancer
0/2000
PreviewJSON

Your result will appear here

Write a prompt and hit Generate.

Examples

Eleven V3 example 1

Eleven V3 example 2

Eleven V3 example 3

Eleven V3 example 4

Related models

Eleven V3

ElevenLabs eleven-v3 is a text-to-speech model available as a hosted endpoint; requests cost $0.1 per 1000 characters. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

Key Features

  • High-quality audio generation with natural, human-like voice output.
  • Multiple voice options — choose from a variety of voice styles, accents and tones.
  • Fine-grained control over speed, pitch, and emphasis.
  • Low-latency streaming suitable for real-time applications.
  • Support for multiple languages and accents.
  • Consistent quality across short and long-form audio.

Parameters

ParameterRequiredDescription
promptYesText or description for audio generation.
voiceNoVoice ID or style to use.
speedNoPlayback speed multiplier (0.5-2.0, default: 1.0).
formatNoOutput format: mp3, wav, ogg (default: mp3).

How to Use

  1. Enter the text you want to convert to audio or describe the audio to generate.
  2. Select a voice style if the model supports multiple voices.
  3. Adjust speed and format settings as needed.
  4. Generate and download your audio file.

Code Examples

import os
import requests

response = requests.post(
    "https://aircube.ai/api/v3/eleven-v3",
    headers={
        "Authorization": "Bearer " + os.environ["AIRCUBE_API_KEY"],
        "Content-Type": "application/json",
    },
    json={
    "prompt": "Hello, welcome to AirCube AI.",
    "voice": "default"
},
    timeout=300,
)
data = response.json()

if data["success"]:
    print("ID:", data["data"]["id"], "Status:", data["data"]["status"])
else:
    print("Error:", data["error"]["message"])

Pricing

ResolutionDurationCost
Standardper generation$0.05

Billing rules

  • Failed generations are not charged.

Best Use Cases

  • Voiceover production — generate narration for videos, podcasts and presentations.
  • Accessibility — create audio versions of written content.
  • Character voices — produce unique voices for games, apps and interactive media.
  • Multilingual content — generate audio in multiple languages from the same script.

Pro Tips

  • Use punctuation and line breaks in your text to control pacing and pauses.
  • Experiment with different voices to find the best match for your content's tone.
  • For longer content, break it into segments for more consistent quality.
  • Preview at 1.0x speed before adjusting — subtle changes often sound most natural.

Notes

  • Maximum text length varies by model — check parameters for specific limits.
  • Audio output is typically MP3 format with configurable bitrate.
  • Content policy applies — harmful or prohibited content will be filtered.

Eleven V3 — Frequently asked questions