Monday, April 27, 2026 — Wolf Digest

What this episode covers

Audio briefing for Monday, April 27, 2026 — the day's top four AI research and industry stories, narrated in depth (roughly 10–15 minutes). Today's stories: (1) DeepSeek V4 — Day-0 OSS serving + verified RL via SGLang and Miles — The SGLang and Miles teams announced day-zero open-source support for DeepSeek V4, covering both inference and reinforcement-learning training of V4's hybrid sparse-attention architecture, manifold-constrained… (2) OpenAI publishes 'Our principles' — Altman's expanded charter for the AGI era — Sam Altman's first major policy post since the Foundation expansion lays out five principles — democratization, empowerment, universal prosperity, resilience, and adaptability — that OpenAI says will guide its decisions… (3) Cohere acquires Aleph Alpha to form a $20B 'sovereign AI' champion — Canadian-headquartered Cohere is taking over Germany-based Aleph Alpha to create a transatlantic sovereign-AI alternative to the US frontier labs, with the explicit blessing of both governments. (4) Apple confirms John Ternus will succeed Tim Cook as CEO — Apple confirmed Monday that John Ternus, the company's senior vice president of hardware engineering, will take over as CEO from Tim Cook later this year, ending fourteen years of Cook leadership. Full written digest with all ranked items: https://wolfdigest.com/digests/2026-04-27.html

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