📋 Quick Takeaways

• Anthropic Valuation Soars: Sequoia Capital joins a massive funding round valuing Anthropic at $350B+, with total investment targeting $25B.
• Musk’s $134B Legal Battle: Elon Musk files for up to $134 billion in damages from OpenAI and Microsoft, citing “wrongful gains” from his early support.
• ChatGPT Go Global Launch: OpenAI rolls out the $8/month “ChatGPT Go” tier worldwide and confirms ad testing begins in February.
• Tesla Dojo3 Revival: Elon Musk announces the restart of the Dojo3 supercomputer project powered by the new AI5 chip.
• Meta’s Nuclear Pivot: Meta commits over $10 billion to a nuclear power deal for AI infrastructure while cutting 1,500 Reality Labs jobs.
• Wikipedia Monetizes Data: The Wikimedia Foundation signs paid training deals with Microsoft, Meta, and Amazon.

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💰 Major AI Funding & Business

Sequoia Capital Joins $25 Billion Anthropic Funding Round

Investment Milestone: Sequoia Capital is breaking venture capital norms by backing Anthropic, joining a massive funding consortium led by GIC and Coatue. The round is expected to reach $25 billion, pushing Anthropic’s valuation to $350 billion—more than doubling in four months. Key Participants:

Week 3 in AI: Grok faces global backlash and lawsuits over deepfakes while Pentagon adopts it, Apple partners with Google Gemini for Siri, Skild AI raises $1.4B for robotics, OpenAI signs $10B Cerebras deal and launches ads, and Meta secures 6.6GW nuclear power.

Week 2 in AI: CES 2026 defines the ‘Physical AI’ era with NVIDIA, Boston Dynamics, and LG. xAI raises $20B and Anthropic reportedly seeks $350B valuation. OpenAI enters healthcare market. Meta signs historic 6.6GW nuclear deal. AMD challenges NVIDIA with Helios rack. Industrial AI OS launches.