The Day Of All The Models

SpaceXAI debuted Grok 4.5 with Cursor, targeting Opus-level performance at lower cost. Meta launched Muse Spark 1.1 via API, OpenAI rolled out full-duplex GPT-Live voice models, PrismML ran the largest AI model on an iPhone, and Character.AI launched AI microdramas. SpaceXAI debuts Grok 4.5, its first model built in partnership with Cursor, designed to "handle difficult, long-running tasks" across finance, legal, and coding (Bloomberg) Meta releases Muse Spark 1.1, capable of more advanced coding and a "step-change" from the first generation, available to US developers via a public API preview (The Verge) OpenAI launches GPT-Live, new voice models powering ChatGPT Voice and built on a full-duplex architecture, meaning they can listen and speak at the same time (OpenAI) OpenAI launches GPT-Live, new voice models powering ChatGPT Voice and built on a full-duplex architecture, meaning they can listen and speak at the same time (VentureBeat) PrismML says it ran a 27B-parameter Qwen 3.6 model on an iPhone 17 Pro, bigger than any prior on-device model; sources: Apple held talks with PrismML about it (The Information) Character.AI launches three human-written, AI-generated microdramas, whose characters users can chat with, and aims to eventually let users make their own shows (TechCrunch) Subscribe to the ad-free feed.