Sherpa-ONNX

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.

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

Open-sourced tokenizer-free multilingual speech synthesis model with high-quality TTS and style transfer workflows.

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