Voice AI weekly roundup: Meta Muse business calling expands to more beta users
A weekly voice AI roundup covers updates from Google, NVIDIA, Deepgram and others, including Meta Muse's US business calling rolling out to more beta users.

Google launched Gemini 3.8 Live. NVIDIA dropped new research on NemotronLabs VoiceChat. Meta expanded business calling through Muse. 3 of the biggest voice AI updates this week. Full roundp 👇 • Google: Gemini 3.8 Live can keep responding while a tool finishes its work. Devs can adjust reasoning through the Extended Thinking version. • NVIDIA: NemotronLabs VoiceChat combines full-duplex speech with tool calling and reports 82.5% tool-selection F1 on Full-Duplex-Bench 3.0. • Nuance Labs: $50M Series A led by Lightspeed to fund a model that handles audiovisual input and output together. Research preview expected later this year. • Meta Muse: US business calls are rolling out to more beta users. People who asked for it earlier get priority. • Instinct: Concierge is reaching early users with tasks like booking reservations by phone, requesting dentist cancellation slots and sorting out cable billing issues. • Speechmatics: Agent STT uses the Linden 1 model to better catch names, account numbers and short replies. • Deepgram: India endpoint is now GA. The new Nova-3 Pharma model focuses on drug names and pharma terms. • SpaceXAI: Grok Voice Transcribe 2.0 does batch transcription at $0.10 per audio hour and streaming at $0.20. • AssemblyAI: The new Dictation API turns speech into cleaned-up text, with Blurt as an open-source dictation app. • DeepL: Speakers keep their own voice when translating across 12 languages. Meeting translation is out of beta on desktop. External browser access is still in testing. • Pindrop: BotStopper can now be bought on its own to flag automated callers. Its AI Voice Consortium registry is past 5,000 voices. • Retell: Conductor now works across the whole dashboard and can dig into calls using info from your workspace. Users approve any production edits it proposes. • ServiceNow / Krisp: ServiceNow is using Krisp's VIVA SDK for voice agents handling IT, HR and customer service calls. • http://smallest.ai: Bolna (YC F25) users can now pick Pulse for STT and Lightning for TTS. • LiveKit: Eligible startups get cloud and inference credits plus waived plan fees worth ~$23K, across 7 inference providers. •Cekura: We launched our latest STT benchmarks, check them out at https://benchmarks.cekura.ai/stt The use cases are getting really specific, like recognizing medication names or calling a restaurant to book a table. At @cekuraAi we test how voice agents handle what goes wrong along the way. Every new capability means new things to test, like a misheard prescription or a booking that needs human approval.