Context--
Price (In / Out)Free / Free
Training CutoffNot publicly specified
CategoryAudio Model
About OmniVoice
OmniVoice is an open-source massively multilingual zero-shot text-to-speech and voice-cloning model from K2-FSA. The project README says it supports more than 600 languages, voice design controls, and fast inference with real-time factor as low as 0.025.
Capabilities
text to speechvoice cloningmultilingual audiovoice design
Input Modalities
textaudio
Output Modalities
audio
Technical Details
- API Identifier
- k2-fsa/OmniVoice
- Category
- Audio Model
Tags
text-to-speechvoice-cloningmultilingualspeech-aiopen-sourcediffusion-model
Benchmarks
Performance scores for OmniVoice across standard benchmarks.
Real-time factorofficial-github-readme · Sep 2026
0.025%
Pricing
Token pricing for OmniVoice API usage.
Input Tokens
Free
per million tokens
Output Tokens
Free
per million tokens
Pricing Calculator
Input cost$0.00
Output cost$0.00
Estimated monthly cost$0.00
Open-source model repository; hosted API pricing is not listed in the GitHub README.
K2-FSAopen source
Open-source speech AI and finite-state automata projects
1 ModelsFounded 2020Not publicly listed
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