From a $55B chip plant to vibe-coded data leaks and ChatGPT ads, AI's biggest players are spending big, moving fast, and occasionally breaking things — today's Morning Brief has it all.

The Musk v. Altman trial dominates the week with explosive testimony, while Anthropic climbs into bed with SpaceX's compute, Google quietly kills Project Mariner, and a new study suggests AI might be making us dumber — …

OpenAI drops GPT-5.5 Instant and launches ads in ChatGPT, Apple settles its Siri AI lawsuit for $250M, Google DeepMind workers unionize over military contracts, and Character.AI gets sued for impersonating a doctor.

The Musk v. Altman trial heats up in Oakland, Sierra pulls in nearly $1B, Nature retracts a ChatGPT study, and Microsoft quietly stops letting Copilot take credit for your work.

Today's AI landscape spans Harvard ER diagnosis breakthroughs, Five Eyes warnings on agentic AI, China's anti-AI-firing law, OpenAI's Stargate expansion, and the 'This Is Fine' dog getting his art stolen — because of …

Musk takes the stand and loses the week, Disneyland goes full surveillance state, AI is about to unleash a patch tsunami on every codebase ever written, and the Oscars draw a hard line on synthetic talent.

Musk's week in court went about as well as you'd expect, the Pentagon picks its AI favorites, OpenAI plays hypocrite on model access, and a dark-money campaign tries to make you scared of Chinese AI.

Musk admits xAI trained on OpenAI's models mid-trial, Anthropic closes in on a $900B valuation, and the AI industry's week wraps with courtroom drama, governance warnings, and a Firefox-Google spat.