Ollama 0.40.9 adds local text-to-speech with Phonon and an OpenAI-compatible /v1/audio/speech endpoint
Released Oct 22, ollama run phonon "..." speaks text aloud as it's generated (or pipe a chat model's reply into it), and apps can stream WAV or PCM audio from /v1/audio/speech using OpenAI's client. It runs on Apple Silicon only for now, English-only, with a 4,096-character limit per request (docs).