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.com/news/articles/2026-07-08/spacexa…) (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 (theverge.com/ai-artificial-intelligence/963193…) (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.com/index/introducing-gpt-live) (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.com/technology/openai-launches-gpt…) (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 (theinformation.com/articles/khosla-backed-star…) (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.com/2026/07/09/character-ai-enters-…) (TechCrunch)

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