Inworld TTSInworld
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MAI-Voice-2.1Microsoft
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Related Products
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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.
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About
MAI-Voice-2.1 is Microsoft's hosted text-to-speech model for developers building voice-enabled products. It generates expressive speech from text, supports multilingual output across 23 languages, and offers emotion and style controls, long-form speaker consistency, and gated matching to consented reference voices. Developers access it through Microsoft Foundry and Azure Speech APIs and SDKs for narration, audiobooks, voice assistants, and customer-service experiences.
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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
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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
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Audience
Developers and businesses looking for a tool offering multilingual voice synthesis and custom-voice cloning at scale
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Audience
Developers and organizations building multilingual speech-enabled products, including narration and audiobook services, voice assistants, and customer-service or call-center experiences.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Not Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
$0.005 per minute
Free Version
Not Supported
Free Trial
Not Supported
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Pricing
$22/1M characters
Usage-based at $22 per 1 million characters of generated speech.
Free Version
Not Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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Training
Documentation
Not Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationInworld
Founded: 2021
United States
inworld.ai/tts
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Company InformationMicrosoft
Founded: 1975
United States
microsoft.ai/models/mai-voice-2-1/
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Alternatives |
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Categories |
Categories |
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Integrations
Azure AI Speech
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
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Integrations
Azure AI Speech
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
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