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What is Inworld TTS?

Inworld TTS emerges as a state-of-the-art text-to-speech technology that delivers remarkably lifelike and context-sensitive speech synthesis, complete with sophisticated voice-cloning capabilities, all at a highly competitive price point. Its flagship model, TTS-1, is designed for real-time applications, featuring low-latency streaming that provides the initial audio output in approximately 200 milliseconds and encompasses a broad spectrum of languages, including English, Spanish, French, Korean, and Chinese, among others. Developers can choose between instant zero-shot voice cloning, which requires merely 5 to 15 seconds of audio input, or more comprehensive fine-tuned cloning, which allows for the incorporation of voice-tags to express emotion, style, and non-verbal signals, while also facilitating seamless language transitions without compromising the distinct voice identity. Additionally, for users desiring enhanced expressiveness and multilingual support, the TTS-1-Max model is currently available in preview, showcasing improved functionalities. The platform supports multiple access methods, such as APIs and portal options, and can function in streaming or batch processing modes, making it adaptable for a wide array of uses, including interactive voice assistants, gaming avatars, and custom audio branding projects. With its innovative features and flexibility, Inworld TTS is set to transform the landscape of synthetic voice interactions and enhance user experiences across various domains. As users continue to explore the possibilities, the technology promises to pave the way for more engaging and personalized audio experiences.

What is Bland Speech v3?

Bland Speech v3 represents a cutting-edge text-to-speech technology designed to produce voice audio that mimics human speech closely, especially useful in scenarios like phone conversations where overly polished tones might feel disingenuous. This advanced model incorporates vital human characteristics such as breathing patterns, stutters, pauses, laughter, and throat-clearing by employing performance tags that are performed rather than merely recited. Users have the flexibility to either input their own scripts or make use of the Director feature to outline a dialogue, enabling Bland to meticulously shape the conversation's timing, structure, and delivery before the speech is generated. In addition to these features, the model provides voice cloning capabilities: a quick clone can be created from around 10 seconds of audio, while more professional-grade cloning necessitates at least 30 minutes of confirmed audio, during which users must verify ownership of the voice. Furthermore, Bland Speech is accessible through a web-based studio and a single API endpoint /v1/speak, which requires bearer-key authentication to ensure secure access. The audio is delivered using HTTP chunked transfer or WebSocket protocols, resulting in PCM16 WAV files at a 44.1 kHz sample rate, which guarantees excellent quality for various applications. This multifaceted functionality positions Bland Speech as a crucial resource for developers aiming to elevate their audio production capabilities, making it an indispensable solution in the realm of text-to-speech technologies.

Media

Media

Integrations Supported

Claude Duet
Claude for Legal
Fireworks AI
Google AI Overviews
Groq
Inworld
LiveKit
Mistral AI
Tenstorrent DevCloud
gpt-oss-20b

Integrations Supported

Bland AI
Five9
Genesys Cloud CX
HubSpot CRM
Make
NiCE CXone Mpower
Salesforce
Slack
Talkdesk
iMessage

API Availability

Has API

API Availability

Has API

Pricing Information

$0.005 per minute

Pricing Information

$0.11 per minute
Free Trial Offered?

Supported Platforms

SaaS
On-Prem

Supported Platforms

SaaS
On-Prem

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub
Online Training

Training Options

Documentation Hub
Online Training

Company Facts

Organization Name

Inworld

Date Founded

2021

Company Location

United States

Company Website

inworld.ai/tts

Company Facts

Organization Name

Bland AI

Date Founded

2023

Company Location

United States

Company Website

www.bland.ai/speech

Categories and Features

AI Voice Models

Not specified

Text to Speech

Not specified

Categories and Features

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