tl;dr: Amazon is scaling back most of its in-house Nova AI models—including text, image, and video generators—placing them in "keep the lights on" mode while redirecting resources to a single "frontier-model effort" led by former Covariant founder Pieter Abbeel. The move follows the closure of Amazon's 80-person San Francisco AGI research office last week, suggesting the company is retreating from the broader LLM race to focus on robotics-oriented AI aligned with its automation goals.