State of AI in 2026: LLMs, Coding, Scaling Laws, China, Agents, GPUs, AGI | Lex Fridman Podcast #490

A four-hour conversation with Nathan Lambert and Sebastian Raschka on the state of AI in 2026 — scaling laws, open versus closed models, the training pipeline (pre-, mid-, post-training), coding agents and dev tooling, US-China competition, GPUs, and AGI timelines.