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ChatTTS
Compared to iSpeech TTS & Speech API
ChatTTS vs iSpeech TTS & Speech API
Comparing the features of ChatTTS to iSpeech TTS & Speech API
Feature
ChatTTS
iSpeech TTS & Speech API
Capability Features
API Requests per Month
100000000
Cloud and Embedded TTS
Community Support
Continuous Improvement
Controllability and Security
Create IVR Prompts
Custom Voice Cloning
Detailed Documentation
Developer Signups
80000
Dialog Task Optimization
Easy to Use
Fine-tuning Supported
Full Model Training Hours
100000
High-Fidelity Speech Synthesis
Multilingual Support
Chinese
English
Open Source
Open Source Model Training Hours
40000
Open Source SDKs
Sample Rate for Audio Output
24000
SDK Availability
Speech Rate Adjustment
Slow
Regular
Fast
Speech Recognition
Supported Language List
US English
UK English
Australian English
US Spanish
Chinese
Hong Kong Chinese
Taiwan Chinese
Japanese
Korean
Canadian English
Hungarian
Brazilian Portuguese
European Portuguese
European Spanish
European Czech
European Danish
European Finnish
European French
European Norwegian
European Dutch
European Polish
European Italian
European Turkish
European Greek
European German
Russian
Swedish
Canadian French
Arabic
Talking Stickers
Text to Speech
Voice Customization Options
Integration Features
API Integrations
Audiobook Support
Chrome Extension
Connected Vehicle Integration
Gradio Demo Integration
Mobile Integration
Platform Compatibility
Web applications
Mobile apps
Desktop software
Embedded systems
PyTorch Dependency
SAPI Integration
SDK Programming Language Support
Multiple programming languages
Limitation Features
Not All Languages Supported
Registration Required for Downloads
Requires Significant Compute
High computational resources needed
Speech Quality Depends on Input
Varies with text complexity and length
TTS for Non-Commercial Use Only
Pricing Features
Free Tier
IVR Prompts Free Sample
No Explicit Paid Plans Shown