Fish Audio releases Drama 3, a 35B mixture-of-experts TTS for multi-character scenes
Drama 3 is a 35B MoE speech model (3B active) with up to 16 speaker tags and voice cloning; research licence.
Tagged open-tts
BreezeBlue releases Breeze-TTS-2, a 3B English and Chinese TTS, non-commercial
Breeze-TTS-2 is a roughly 3B bilingual TTS with cloning, voice design and streaming; weights under a non-commercial licence.
NVIDIA releases MagpieTTS Multilingual 357M v2607, 12 languages with preset voices
MagpieTTS Multilingual 357M v2607 covers 12 languages with five preset voices; voice cloning was removed. NVIDIA Open Model License.
Boson AI releases Higgs TTS 3, a 4B zero-shot voice cloning model for 100+ languages
Higgs TTS 3 is a roughly 4B voice-cloning TTS with inline control tags and 100+ languages; research and non-commercial licence.
Supertone releases Supertonic 3, a 99M on-device TTS in 31 languages
Supertonic 3 is a roughly 99M ONNX TTS for local and browser use across 31 languages; OpenRAIL-M model, MIT sample code.
OpenBMB releases VoxCPM2, a 2B Apache 2.0 TTS with voice design and 48 kHz output
VoxCPM2 is a 2B tokenizer-free TTS covering 30 languages, with voice design, cloning and 48 kHz output, under Apache 2.0.
k2-fsa releases OmniVoice, a 0.6B zero-shot TTS covering 600+ languages
OmniVoice is a 0.6B voice-cloning and voice-design TTS tagged for 646 languages; code Apache 2.0, weights CC-BY-NC.
Mistral releases Voxtral TTS, a 4B open-weights speech model, non-commercial
Voxtral 4B TTS covers nine languages with 20 preset voices and streaming; weights are CC BY-NC 4.0.
Fish Audio releases S2 Pro, a 5B TTS model for 80+ languages, research licence
S2 Pro is a dual-autoregressive TTS model with inline emotion tags; weights are free for research, commercial use needs a licence.
NineNineSix releases KaniTTS2-en, a 400M English TTS with voice cloning
KaniTTS2-en is a 400M English TTS on LFM2 350M with cloning via a speaker embedder, about 3 GB VRAM; LFM 1.0 licence.