#voice 4 items 28 авг VoiceMem: Streaming Dual-Brain Memory for Real-Time Interaction research 11 сен OpenAI brings GPT-Live-1 full-duplex voice model to the API OpenAI audio 31 июл xAI launches Grok Voice Think Fast 2.0 voice model xAI audio 6 авг xAI rolls out Grok Voice Think Fast 2.0 speech-to-speech model xAI audio