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Microsoft Cuts 4,800 Jobs and Sells Four Studios

chamath.substack.com · 884 words · saved by 1 readers

A summary of the interesting content that I consumed this past week…

What I Read This Week: a summary of the content that I consumed this past week… Caught My Eye… 1) The New Models: Grok 4.5, GPT-5.6, and Muse Spark 1.1 Three of the largest AI builders shipped new models within a day of each other. SpaceXAI released Grok 4.5 on the 8th. The next morning OpenAI began rolling out GPT-5.6 as three models named Sol, Terra, and Luna, and Meta launched Muse Spark 1.1. Meta made the largest structural shift, moving from open-weight model releases to their first paid closed model. Each of them pushed for more affordable models while still maintaining…

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