VoxCPM

Canonical open speech-to-text model codebase with widespread ecosystem support and many downstream implementations.

Speech recognition toolkit with pretrained models, streaming support, diarization, VAD, and production-oriented examples.

Scalable framework and model codebase for speech, language, and multimodal AI with recipes and deployment guidance.

Complete speech toolkit with ASR, TTS, diarization, source separation, and VAD across embedded and edge environments via ONNX Runtime.

Open speech and sound generation family focused on expressive, long-form text-to-speech with streaming and multi-speaker support.

Open Frontier Voice AI toolkit spanning speech understanding, generation, and multilingual TTS workflows, with active research and deployment tooling.