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.
Tagged voice-agents
Resemble AI releases Chatterbox-Turbo, a 350M MIT TTS built for voice agents
Chatterbox-Turbo is a 350M English TTS with paralinguistic tags, one-step decoding and voice cloning; MIT licensed and watermarked.