Leelo

Leelo

LEELO
+
+

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About

Async is a developer-first AI voice platform, rooted in technology that powers Podcastle, offering premium text-to-speech and voice cloning via a simple, high-performance API. Developers gain access to broadcast-quality, natural-sounding voices with under-200 ms latency, and can create personalized voice clones using just a three-second audio sample. It supports streaming output so audio plays as it’s generated, and offers transparent usage-based billing with real-time daily stats and per-second cost control. Built to scale from prototypes to full production, Async makes advanced voice capabilities accessible to indie developers and enterprises alike, backed by the same trusted infrastructure that fueled Podcastle.

About

Leelo is a browser-based AI voice studio for creators, authors, course makers, marketers and small teams. Turn scripts into multi-speaker audio by assigning voices, directing individual lines and mixing speech, music and generated sound effects before exporting a finished file. Its library includes 1,108 voices across 82 languages. Other tools support voice cloning and design, video and audio dubbing, transcription, background-noise removal, voice changing and AI-assisted script writing. Use cases include voiceovers, podcasts, audiobooks, e-learning, videos, ads, phone menus and accessibility audio. Credits are shared across tools; customers can buy one-time credit packs or subscribe to monthly plans. Free accounts receive an initial credit allowance, while paid use includes commercial rights. REST API, webhooks and an MCP server are also available.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers wanting a tool to get natural voice generation and cloning for apps

Audience

Content creators, YouTubers, podcasters, authors, course creators, marketers and small teams who need voiceovers, dubbing or transcription.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$1 per hour
Free Version Supported
Free Trial Not Supported

Pricing

$9 one-time
One-time credit packs start at $9 for 25,000 credits and are valid for 12 months. Monthly plans start at $19 after a $9.50 first-month offer. Credits are shared across tools; commercial use is included with paid purchases.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Async
United States
async.ai/

Company Information

LEELO
Founded: 2022
United Kingdom
leelo-ai.com

Alternatives

Alternatives

Fish Audio

Fish Audio

Hanabi AI
LeapFun AI

LeapFun AI

Cling AI Inc.

Categories

Podcast Editing Supported
Text to Speech Supported
Voice Cloning Supported

Categories

Text to Speech Supported

Integrations

JavaScript Supported
Model Context Protocol (MCP) Not Supported
Podcastle Supported
Python Supported
Twilio Supported

Integrations

JavaScript Not Supported
Model Context Protocol (MCP) Supported
Podcastle Not Supported
Python Not Supported
Twilio Not Supported
Claim Async and update features and information
Claim Async and update features and information
Claim Leelo and update features and information
Claim Leelo and update features and information