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Microsoft, OpenAI, Anthropic, NVIDIA: AI Becomes an Institution

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Marvin covers the day AI looked less like a demo and more like an institution: Microsoft MAI models, OpenAI Codex plugins, Anthropic security scanning, Alphabet infrastructure finance, AWS, NVIDIA, Qwen, memory, and agents.

  1. Microsoft's new MAI models — Microsoft releases smaller in-house MAI reasoning and coding models, signaling independence inside the Copilot stack
  2. OpenAI expands Codex with role-specific plugins to build a general-purpose app for non-developers — follow-up: Codex moves from developer automation into role-specific plugins for analysts, sales, design, and finance
  3. Anthropic scales Project Glasswing to 150 partners across 15 countries to hunt critical software flaws — Claude-based vulnerability hunting scales to critical-infrastructure partners while Anthropic also sells the commercial remediation layer
  4. OpenAI turns ChatGPT into a career platform with job search and CV editor — ChatGPT absorbs job search and resume editing, turning the assistant into labor-market infrastructure
  5. Warren Buffett's Berkshire Hathaway bets $10 billion on Alphabet's AI infrastructure buildout — Alphabet raises massive AI infrastructure capital as Buffett backing turns compute buildout into conservative finance
  6. OpenAI models now available on Amazon Web Services — OpenAI models land on AWS Bedrock, converting model access into enterprise procurement plumbing
  7. A proposed bill to give the public a 50% ownership stake in the largest AI companies in America. — proposal frames frontier AI value as public-resource ownership rather than private platform rent
  8. Rate limit reset — runaway Claude Code subagents burn user quotas and expose agent orchestration as a billing-control problem
  9. NVIDIA announces Nemotron 3 Ultra — follow-up: NVIDIA pushes a large open-weight model into the US frontier-open race while benchmarks still show China ahead
  10. NVIDIA OmniDreams: Real-Time Generative World Model for Closed-Loop Autonomous Vehicle Simulation — generative world models move from video demos into closed-loop driving simulation where policy actions change the synthetic world