SemiAnalysis/
Training a 400B Model on 2,048 Blackwell GPUs for $20M | Researcher Conversations at GTC
RCAI’s Lucas Atkins explains why his team moved from post-training into pre-training, arguing that owning the full stack is increasingly necessary for enterprise compliance, product control, and customization. He also details RC’s research organization, Trinity’s multi-company build, and why the team chose B300s to accelerate training despite immature tooling.
