What does “full-stack” AI actually mean?

A Google DeepMind engineer defines full-stack AI by breaking development into five distinct layers to illustrate its impact on users. Simultaneously, StorageReview examines the Local LLM Stack in 2026, noting that running language models locally is now a viable engineering choice for various workloads. The report emphasizes the importance of hardware-grounded tool lists, warning that many current online recommendations are outdated or dead, particularly when selecting the appropriate memory tier for specific model classes.