Inworld TTS

Inworld TTS

Inworld
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About

Bland Speech v3 is a text-to-speech model designed to produce voice audio that sounds like a real person, especially for phone-call experiences where overly polished delivery can feel artificial. It preserves human details such as breaths, stumbles, pauses, laughs, and throat-clearing through performance tags that are performed instead of read aloud. Users can provide their own script or use Director to describe a dialogue and have Bland write the words, timing, and delivery before generating speech. It supports voice cloning: an instant clone can be created from roughly 10 seconds of audio, while professional cloning uses 30 minutes or more of verified audio, with users confirming that every voice is theirs to use. Bland Speech is available through a web studio and a single /v1/speak API endpoint using bearer-key authentication. Audio streams through HTTP chunked transfer or WebSocket and returns PCM16 WAV at 44.1 kHz.

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
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Conversational AI developers who need highly realistic, expressive voices for phone agents and live voice applications

Audience

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

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$0.11 per minute
Free Version
Free Trial

Pricing

$0.005 per minute
Free Version
Free Trial

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
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Bland AI
Founded: 2023
United States
www.bland.ai/speech

Company Information

Inworld
Founded: 2021
United States
inworld.ai/tts

Alternatives

Inworld TTS

Inworld TTS

Inworld

Alternatives

Qwen3-TTS

Qwen3-TTS

Alibaba
Fish Audio

Fish Audio

Hanabi AI
Chirp 3

Chirp 3

Google
Fish Audio

Fish Audio

Hanabi AI
Voxtral TTS

Voxtral TTS

Mistral AI
Voxtral TTS

Voxtral TTS

Mistral AI

Categories

Categories

Integrations

Amazon Connect
Bland AI
Cal.com
Claude
Fireworks AI
Genesys Cloud CX
Groq
HubSpot CRM
LiveKit
Make
NiCE CXone Mpower
Notion
OpenAI
Salesforce
Slack
Twilio
Vapi AI
Zapier
gpt-oss-20b
iMessage

Integrations

Amazon Connect
Bland AI
Cal.com
Claude
Fireworks AI
Genesys Cloud CX
Groq
HubSpot CRM
LiveKit
Make
NiCE CXone Mpower
Notion
OpenAI
Salesforce
Slack
Twilio
Vapi AI
Zapier
gpt-oss-20b
iMessage
Claim Bland Speech v3 and update features and information
Claim Bland Speech v3 and update features and information
Claim Inworld TTS and update features and information
Claim Inworld TTS and update features and information