StyleTTS 2 is StyleTTS's text to speech model. A TTS model that uses style diffusion and adversarial training to achieve human-level naturalness and expressive voice synthesis.
Specifications
Canonical IDstyletts-tts-2
TypeText to Speech
StatusActive
CreatorStyleTTSStyleTTS
Input ModalitiesText
Output ModalitiesAudio
Benchmarks
Elo Rating
#319

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text·
Image·
Audio
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
StyleTTS 2Current
Inworld Realtime TTS 2Available
Realtime TTS-2Available
Realtime TTS-2 Research PreviewAvailable
Soniox TTS 2 RTAvailable
Step TTS 2Available
TTS HD 2.5Available
VoxCPM2Available
TTS 1$15.00Deprecating
TTS 1 HD$30.00Deprecating
Inworld Realtime TTS 1.5 MaxAvailable

Model IDs

styletts-2
styletts-tts-2