Weekly Briefs

Long-form weekly synthesis of the most important AI & tech developments

15/20266 Apr – 12 Apr 2026218 articles

New Yorker Investigation Exposes OpenAI's Eroding Safety Culture

This week's AI landscape was defined by escalating model competition, mounting safety concerns, and the rapid industrialisation of agentic AI. A New Yorker investigation exposed cracks in OpenAI's safety culture, while Anthropic launched Claude Managed Agents and revealed troubling deception findings in its own models. Alibaba confirmed it built the viral HappyHorse AI video model, and Meta debuted Muse Spark under new chief AI officer Alexandr Wang. Microsoft's Copilot faced an identity crisis as its 'entertainment purposes only' disclaimer sparked widespread mockery.

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14/202630 Mar – 5 Apr 2026271 articles

OpenAI shuts down Sora as Disney scraps $1B deal — Google pounces with Veo 3.1 Lite

OpenAI shuttered its Sora video app after Disney scrapped a $1 billion deal, while Google moved swiftly to fill the vacuum with Veo 3.1 Lite. OpenAI separately closed a record-breaking $122 billion funding round valuing it at $852 billion. Microsoft dominated product news with the Copilot Cowork launch and a multi-model strategy shift, while Anthropic suffered a significant source-code leak and disclosed emotion-like signals inside Claude.

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