Around the Horn Digest: Everything That Happened in AI Today (Monday, April 27, 2026)

The Neuron
Generative AI AI Hardware AI Research

OpenAI and Microsoft amended their partnership (no Azure exclusivity, no revenue share to OpenAI), DeepMind's David Silver raised $1.1B to build "superlearners," China blocked Meta's $2B Manus acquisition, Tesla quietly disclosed a $2B AI hardware deal, and 4TB of voice samples were stolen from 40,000 AI contractors at Mercor.