Inworld TTS

Inworld TTS

Inworld
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About

The developer platform for AI characters. Get a fully integrated platform for AI characters that goes beyond large language models (LLMs), and adds configurable safety, knowledge, memory, narrative controls, multimodality, and more. Craft characters with distinct personalities and contextual awareness that stay in-world or on brand. Seamlessly integrate into real-time applications, with optimization for scale and performance built-in. Optimized for real-time experiences, Inworld offers low-latency interactions that scale with your application. Orchestrating across LLMs allows us to deliver high-quality interactions with faster inference and lower costs. Every interaction has a context and models need to be aware of yours. Add custom knowledge, content and safety guardrails, and narrative controls to keep your AI in character, in-world, or on brand. Put personality at the center of your AI. Our multimodal AI mimics the full range of human expression.

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 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 Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers searching for a solution to generate, create, and develop AI characters

Audience

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

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

$20 per month
Free Version Supported
Free Trial Supported

Pricing

$0.005 per minute
Free Version Not 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 Supported
In Person Not Supported

Company Information

Inworld
United States
inworld.ai/

Company Information

Inworld
Founded: 2021
United States
inworld.ai/tts

Alternatives

Alternatives

CharacterGPT

CharacterGPT

Alethea AI
Character Creator

Character Creator

Reallusion
Wizard Engine

Wizard Engine

Virtual Beings
Qwen3-TTS

Qwen3-TTS

Alibaba
Chirp 3

Chirp 3

Google

Categories

Categories

Integrations

Claude Not Supported
Dialogflow Supported
Dograh Supported
Fireworks AI Not Supported
Google AI Overviews Not Supported
Groq Not Supported
Inworld Not Supported
Inworld TTS Supported
JavaScript Supported
LiveKit Not Supported
Mistral AI Not Supported
Node.js Supported
OpenAI Not Supported
Roblox Supported
Tenstorrent DevCloud Not Supported
Unity Supported
Unreal Engine Supported
Vapi AI Not Supported
ZOOOP Supported
gpt-oss-20b Not Supported

Integrations

Claude Supported
Dialogflow Not Supported
Dograh Not Supported
Fireworks AI Supported
Google AI Overviews Supported
Groq Supported
Inworld Supported
Inworld TTS Not Supported
JavaScript Not Supported
LiveKit Supported
Mistral AI Supported
Node.js Not Supported
OpenAI Supported
Roblox Not Supported
Tenstorrent DevCloud Supported
Unity Not Supported
Unreal Engine Not Supported
Vapi AI Supported
ZOOOP Not Supported
gpt-oss-20b Supported
Claim Inworld and update features and information
Claim Inworld and update features and information
Claim Inworld TTS and update features and information
Claim Inworld TTS and update features and information