Babylon.cpp is a C and C++ library for grapheme to phoneme conversion and text to speech synthesis. For phonemization a ONNX runtime port of the DeepPhonemizer model is used. For speech synthesis VITS models are used. Piper models are compatible after a conversion script is run.
artificial-intelligence tts g2p onnx grapheme-to-phoneme voice-cloning neural-tts onnxruntime onnx-models phonemization onnx-runtime vits elevenlabs 11labs test-to-speech deep-phonemizer
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Updated
Apr 14, 2026 - C++