DeAI Daily Brief — September 15, 2026
Today in DeAI: Latham & Watkins builds its own open-weight AI stack, DeepSeek keeps V4 Pro online, and Morgan & Morgan pledges $1B to legal tech.

A machine-learning workstation beside a rackmount GPU server node in a secure law-firm data room, the kind of in-house setup Latham & Watkins is using to fine-tune open-weight models on its own legal data. Illustration: DeAI