Speech

Supertonic is a lightning-fast, on-device multilingual text-to-speech system
https://github.com/supertone-inc/supertonic

WavTTS: Towards High-Quality Zero-Shot TTS via Direct Raw Waveform Modeling
https://github.com/cwx-worst-one/WavTTS

WavFlow: Audio Generation in Waveform Space
https://github.com/facebookresearch/wavflow

VoxCPM2: Tokenizer-Free TTS for Multilingual Speech Generation, Creative Voice Design, and True-to-Life Cloning
https://github.com/OpenBMB/VoxCPM/

OmniVoice - High-Quality Voice Cloning TTS for 600+ Languages
https://github.com/k2-fsa/OmniVoice?tab=readme-ov-file

Cohere Transcribe
https://huggingface.co/CohereLabs/cohere-transcribe-03-2026

TADA: A Generative Framework for Speech Modeling via Text-Acoustic Dual Alignment
https://huggingface.co/HumeAI/tada-3b-ml

The open-source voice synthesis studio powered by Qwen3-TTS
https://github.com/jamiepine/voicebox

Soprano: Instant, Ultra-Realistic Text-to-Speech
https://github.com/ekwek1/soprano

Open Source framework for voice and multimodal conversational AI
https://github.com/pipecat-ai/pipecat

Maya1 is a state-of-the-art speech model for expressive voice generation
https://huggingface.co/maya-research/maya1

Synthetic Dialog Generation and Analysis with LLMs
https://github.com/idiap/sdialog

Liquid Audio - Speech-to-Speech audio models by Liquid AI
https://github.com/Liquid4All/liquid-audio

SoTA open-source TTS
https://github.com/resemble-ai/chatterbox

VibeVoice: A Frontier Open-Source Text-to-Speech Model
https://huggingface.co/microsoft/VibeVoice-1.5B
https://github.com/microsoft/VibeVoice

nvidia/diar_sortformer_4spk-v1
https://huggingface.co/nvidia/diar_sortformer_4spk-v1

Hibiki: High-Fidelity Simultaneous Speech-To-Speech Translation
https://github.com/kyutai-labs/hibiki