TTSLabs offers Free Trial, but SpeechGen does not.
Pricing for SpeechGen Starts at $4.99/month whereas for TTSLabs Starts at $25/month.
SpeechGen offers several advantages, including Over 270 natural voices, Supports multiple languages, Multi-voice dialogue editing, Downloadable audio files, Supports long texts and many more functionalities.
The cons of SpeechGen may include a Limited voice customization options, Too many voice options, Complex interface, Longer processing time. and No transcription service
TTSLabs offers several advantages, including Dedicated desktop app, Real-time TTS playback, Customizable voice options, Unique sound clips integration, Profanity filters management and many more functionalities.
The cons of TTSLabs may include a Limited to Twitch platform, Dedicated desktop app required, Sync limited to Streamlabs/StreamElements, No mobile support mentioned. and Assumed high system requirements