Around the Horn Digest: Everything That Happened in AI Today (Monday, April 13, 2026)

The Neuron
Generative AI AI Research

Stanford's 2026 AI Index quantified the gap between AI insiders and the public, Anthropic's Mythos triggered a Fed-led bank summit, Berkeley researchers broke every major agent benchmark, Microsoft started building its own OpenClaw, and an AI signed a 3-year retail lease in San Francisco.