Inworld TTS

Inworld TTS

Inworld
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About

Gemini 2.5 Pro TTS is Google’s advanced text-to-speech model in the Gemini 2.5 family, optimized for high-quality, expressive, controllable speech synthesis for structured and professional audio generation tasks. The model delivers natural-sounding voice output with enhanced expressivity, tone control, pacing, and pronunciation fidelity, enabling developers to dictate style, accent, rhythm, and emotional nuance through text-based prompts, making it suitable for applications like podcasts, audiobooks, customer assistance, tutorials, and multimedia narration that require premium audio output. It supports both single-speaker and multi-speaker audio, allowing distinct voices and conversational flows in the same output, and can synthesize speech across multiple languages with consistent style adherence. Compared with lower-latency variants like Flash TTS, the Pro TTS model prioritizes sound quality, depth of expression, and nuanced control.

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

Creators who need text-to-speech audio generation for podcasts, audiobooks, voice assistants, and other premium 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

No information available.
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

Google
Founded: 1998
United States
blog.google/technology/developers/gemini-2-5-text-to-speech/

Company Information

Inworld
Founded: 2021
United States
inworld.ai/tts

Alternatives

Qwen3-TTS

Qwen3-TTS

Alibaba

Alternatives

Qwen3-TTS

Qwen3-TTS

Alibaba
Chirp 3

Chirp 3

Google
Voxtral TTS

Voxtral TTS

Mistral AI
Voxtral TTS

Voxtral TTS

Mistral AI
Octave TTS

Octave TTS

Hume AI
Fish Audio

Fish Audio

Hanabi AI

Categories

Categories

Integrations

Claude
Fireworks AI
Gemini
Gemini 2.5 Flash
Gemini 2.5 Pro
Google AI Overviews
Google AI Studio
Groq
Inworld
LiveKit
Mistral AI
OpenAI
Tenstorrent DevCloud
Vapi AI
Vertex AI
gpt-oss-20b

Integrations

Claude
Fireworks AI
Gemini
Gemini 2.5 Flash
Gemini 2.5 Pro
Google AI Overviews
Google AI Studio
Groq
Inworld
LiveKit
Mistral AI
OpenAI
Tenstorrent DevCloud
Vapi AI
Vertex AI
gpt-oss-20b
Claim Gemini 2.5 Pro TTS and update features and information
Claim Gemini 2.5 Pro TTS and update features and information
Claim Inworld TTS and update features and information
Claim Inworld TTS and update features and information