Name	"Processor ⚡"	"Phonetic alphabet 🔤"	"Insta-clone 👥"	"Emotion control 🎭"	"Prompting 📖"	"Speech control 🎚"	"Streaming support 🌊"	"Voice conversion 🦜"	"Longform synthesis"
Amphion	CUDA		👥	🎭👥	❌				
Bark	CUDA		❌	🎭 tags	❌				
E2/F5 TTS			👥	❌	📖
EmotiVoice									
Glow-TTS									
GPT-SoVITS									
HierSpeech++		❌	👥	🎭👥	❌	"speed / stability 🎚"		🦜	
IMS-Toucan	CUDA	❌	❌	❌	❌				
MahaTTS									
Matcha-TTS		IPA	❌	❌	❌	"speed / stability 🎚"			
MeloTTS	CPU / CUDA		❌	❌		"speed 🎚"	
MetaVoice-1B	CUDA		👥	🎭👥	❌	"stability / similarity 🎚"			Yes
Neural-HMM TTS									
OpenVoice	CUDA	❌	👥	"6-type 🎭 😡😃😭😯🤫😊"	❌				
OverFlow TTS									
Parler	CUDA		❌	🎭📖	📖	❌	🌊		
pflowTTS									
Pheme	CUDA	❌	👥	🎭👥	❌	"stability 🎚"			
Piper									
RAD-TTS									
Silero									
StyleTTS 2	CPU / CUDA	IPA	👥	🎭👥	❌		🌊		Yes
Tacotron 2									
TorToiSe TTS		❌	❌	❌	📖		🌊		
TTTS	CPU / CUDA	❌	👥						
VALL-E									
VITS/ MMS-TTS	CUDA	❌	❌	❌	❌	"speed 🎚"			
WhisperSpeech	CUDA	❌	👥	🎭👥	❌	"speed 🎚"			
XTTS	CUDA	❌	👥	🎭👥	❌	"speed / stability 🎚"	🌊	❌	
xVASynth	CPU 1️⃣ / CUDA	ARPAbet+	❌	"4-type 🎭 😡😃😭😯 per‑phoneme"	❌	"speed / pitch / energy / 🎭 🎚 per‑phoneme"	❌	🦜	~15 secs max