AI BRIEFING · 2025-11-18

AI Briefing — November 18, 2025

The 10 most important AI stories of November 18, 2025, hand-curated from the day's coverage. Every story links to its primary source.

01

Microsoft, Nvidia to Invest Up to 15 Billion in Anthropic

Bloomberg Technology ↗

Microsoft Corp. and Nvidia Corp. are committing to invest up to a combined $15 billion in Anthropic PBC, in a move that ties the AI developer closer to two of the biggest backers for its rival OpenAI.

05

Quantum Chips, Everything Bubble NVIDIAs Hardware Play

Forward Future ↗

China unveils a 1,000× quantum chip, eBay expands AI tools, NVIDIA moves to full servers, OpenAI fixes em-dashes, Maryland power costs rise, DBS sees AI gains, ChatGPT tests group chats, and Tesla, Mercedes win China AI approval.

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