• Sierra Raises Nearly $1 Billion At $16B Valuation — Enterprise conversational AI platform Sierra closed a ~$1 billion funding round led by Tiger and Google's GV, valuing the company at close to $16 billion as it expands its agent platform domestically and internationally. (cnbc.com)

  • Hark Secures $700M Series A For Universal AI Interface — Brett Adcock's secretive agentic AI startup Hark raised $700 million and plans to release its first multi-modal models this summer to power a personal AI platform. (techcrunch.com)

  • Vapi Raises Series B To Challenge Voice AI Rivals — Vapi_AI completed a Series B funding round, positioning it to compete directly with Retell and ElevenLabs in the enterprise voice agent market. (x.com)

  • OpenAI Acquires Voice Cloning Team Behind Weights.gg — OpenAI reportedly acquired the voice cloning team behind Weights.gg, signaling a continued push to deepen its proprietary voice capabilities. (x.com)

  • Sarvam AI Eyes $300M Round At $1.5B Valuation — Indian voice-focused enterprise AI startup Sarvam AI, which specializes in voice-based solutions, is reportedly on track for a $300 million funding round at a $1.5 billion valuation. (techcrunch.com)

  • OpenEvidence Launches First Native Speech-To-Speech Medical AI — OpenEvidence's Voice Mode is now live as the first native speech-to-speech clinical decision support interface, available free to users alongside an enterprise expansion with Cedars-Sinai. (businesswire.com)

  • Spotify Integrates ElevenLabs TTS For Audiobook Creation — Spotify launched an ElevenLabs-powered audiobook creation tool within its "Spotify for Authors" platform, expanding support to 10 additional languages with more expressive, human-like voice models. (techcrunch.com)

  • Google Beam Debuts Conversational AI Video Agent — Google demonstrated "Sophie," a lifelike conversational AI agent for its Beam video calling platform designed to make AI interactions feel more personable and responsive. (theverge.com)

  • Google Gemini Omni Adds Native Audio And Avatar Voice — Gemini Omni is a natively multimodal model trained on text, code, audio, images, and video that also lets users create videos with personal digital avatars with their own voice and likeness. (techcrunch.com, wired.com)

  • Google Launches Gemini Spark Personal Voice Agent — Gemini Spark is a $100/month personal AI agent capable of managing Gmail, workflows, and complex tasks continuously without requiring a device to remain open. (techcrunch.com, forbes.com)

  • ElevenLabs Brings Voice AI Into University Classrooms — ElevenLabs launched free voice AI access for professors and an interactive Einstein voice agent for immersive learning through a partnership with CMG Worldwide and the Hebrew University of Jerusalem. (elevenlabs.io)

  • Amazon Alexa Plus Debuts AI-Generated Podcast Feature — Alexa Plus now offers "Alexa Podcasts," in which a pair of AI-generated hosts with synthesized voices break down any topic of a user's choice. (theverge.com)

  • Speechify SIMBA 3.0 Enters Global TTS Top 10 — Speechify's SIMBA 3.0 model broke into the global top 10 on the Artificial Analysis TTS leaderboard, outranking models from Google, OpenAI, and ElevenLabs. (prweb.com)

  • StepAudio 2.5 Unifies ASR, TTS, And Real-Time Voice — StepAudio 2.5 is a new unified audio-language foundation model that matches or exceeds specialized systems in ASR, TTS, and real-time spoken interaction through task-tailored RLHF. (arxiv.org)

  • Apple Upgrades VoiceOver And Real-Time Captions With AI — Apple announced iOS 27 accessibility updates powered by Apple Intelligence, including improved VoiceOver image recognition, on-device speech recognition for auto-generated captions, and enhanced voice control. (techcrunch.com, forbes.com)

  • Mega-ASR Advances Adverse-Condition Speech Recognition — Researchers introduced Mega-ASR, which achieves a 45.69% word error rate on the VOiCES R4-B-F benchmark versus 54.01% for prior state-of-the-art systems by scaling real-world acoustic simulation. (arxiv.org)

  • Māori Data Sovereignty Drives Indigenous TTS Model — Researchers developed indigenous-owned Māori text-to-speech AI voice models using fewer than eight hours of recordings, achieving a 6.78% word error rate while centering data sovereignty principles. (spectrum.ieee.org)

  • Comprehensive 37-Model TTS Benchmark Published — A developer released the first known comprehensive TTS benchmark covering 37 models with cross-platform Windows and Mac results, providing a new community reference for evaluating voice synthesis quality. (reddit.com)

  • Streaming ASR Systems Face Technical Benchmark Study — A new comparative study from Smallest.ai benchmarks streaming ASR systems across speed, accuracy, and resilience under real-world conditions to help developers navigate trade-offs. (smallest.ai)

  • AI Used To Resurrect Voices Of Dead Pilots — Voice cloning technology is being applied to reconstruct the voices of deceased pilots, raising both practical utility and ethical questions around consent and memorial use. (techcrunch.com)

  • Audio App Huxe Shuts Down Despite AI Tailwinds — Huxe, an audio generation app founded by former NotebookLM developers, has shut down, illustrating the difficulty single-modality consumer audio apps face as broader AI platforms rapidly absorb similar features. (techcrunch.com)