Inworld TTS

Inworld TTS

Inworld
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About

Engage customers with your brand using CereProc's uniquely characterful and natural sounding text-to-speech (TTS) voices. CereProc's development tools give you everything you need to integrate award-winning text-to-speech functionality into your applications. CereProc's uniquely characterful text-to-speech voices can replace the default voice on your computer, tablet, or phone, with a wide range of accents and languages. Revolutionary cost effective online voice cloning tool that allows you to carry out recordings in your own home in as little as a couple of hours. CereProc has developed the world's most advanced text to speech technology. Our voices not only sound real, they have character, making them suitable for any application that requires speech output. At CereProc, our wide range of text-to-speech servers, software development kit, cloud and custom voices are used for a wide range of different applications.

About

Inworld TTS is a state-of-the-art text-to-speech platform designed to deliver ultra-realistic, context-aware speech synthesis and precise voice-cloning capabilities at a radically accessible price. The flagship model, TTS-1, is optimized for real-time applications and supports low-latency streaming (first audio chunk in ≈200 ms) as well as multiple languages (including English, Spanish, French, Korean, Chinese, and more). Developers can use instant zero-shot voice cloning (5-15 seconds of audio) or professional fine-tuned cloning, add voice-tags for emotion, style, and non-verbal sounds, and switch languages while preserving voice identity. The larger TTS-1-Max model (in preview) offers even more expressive speech and multilingual strength. The platform supports both API and portal access, streaming or batch mode, and is designed for everything from interactive voice agents and gaming characters to branded audio experiences.

Platforms Supported

Windows Supported
Mac 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 Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Businesses, developers and individuals looking for a text to speech solution that provides expressive voices

Audience

Developers and businesses looking for a tool offering multilingual voice synthesis and custom-voice cloning at scale

Support

Phone Support 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 Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$35.78 one-time payment
Free Version Not Supported
Free Trial Not Supported

Pricing

$0.005 per minute
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 1.0 / 5
ease 1.0 / 5
features 1.0 / 5
design 1.0 / 5

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

Pros & Cons from Real Users

Pros

  • I like the sounds of the voices, I wanted to change my phone's voice to something a little more unique and I like all the options CereProc has.

Cons

  • I paid for and downloaded the voice for my phone, got a small little app with three buttons. One button is an I for instructions I take it, which tells me to choose the voice I downloaded. I did that. It will read the example in the app. And that's it. No more help. What am I supposed to do? I have no clue how to use this thing. There's no instructions on their web page, I've searched the internet and all I find are advertisements. There are virtually no YouTube videos to learn from. I mean come on. Maybe I'm an idiot, but I can follow instructions if you just give them to me.

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Supported

Training

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

Company Information

CereProc
Scotland
www.cereproc.com/en

Company Information

Inworld
Founded: 2021
United States
inworld.ai/tts

Alternatives

CereVoice Me

CereVoice Me

CereProc

Alternatives

CereWave AI

CereWave AI

CereProc
Qwen3-TTS

Qwen3-TTS

Alibaba
Chirp 3

Chirp 3

Google

Categories

Text to Speech Supported
Voice Cloning Supported

Categories

Integrations

CereWave AI Supported
Claude Not Supported
Fireworks AI Not Supported
Google AI Overviews Not Supported
Groq Not Supported
Inworld Not Supported
LiveKit Not Supported
Mistral AI Not Supported
OpenAI Not Supported
Tenstorrent DevCloud Not Supported
Vapi AI Not Supported
gpt-oss-20b Not Supported

Integrations

CereWave AI Not Supported
Claude Supported
Fireworks AI Supported
Google AI Overviews Supported
Groq Supported
Inworld Supported
LiveKit Supported
Mistral AI Supported
OpenAI Supported
Tenstorrent DevCloud Supported
Vapi AI Supported
gpt-oss-20b Supported
Claim CereProc and update features and information
Claim CereProc and update features and information
Claim Inworld TTS and update features and information
Claim Inworld TTS and update features and information