AI Weekly: 4/1–4/10 | Anthropic Triple Shock Sequel — Mythos Too Dangerous to Ship, Revenue Passes OpenAI, Software Stocks Crash

One-line summary: Last week's leaks became this week's reality — and reality is more shocking than the rumors. This week's dual protagonists: If Anthropic defined this week's technical ceiling (Mythos was too powerful to release publicly), then OpenAI defined this week's capital ceiling ($122B in a single funding round). The two moves together shifted the 2026 AI race away from "whose model is strongest" and toward "who can lead simultaneously on governance, trust, and capital." 1...