It connects to some third party services to do LLM, STT, TTS. Is it really open source then, even though (as far as I can tell) Whisper and Llama have open we

It connects to some third party services to do LLM, STT, TTS. Is it really open source then, even though (as far as I can tell) Whisper and Llama have open weights but not open data, and that speech synthesis thing is seemingly fully proprietary? Loving the new wave of ultrafast voice assistants though, and your execution in particular is very good.