Everything on Learning Mechanisms

LLM weights are frozen after training, preventing true plasticity. Unlike human brains, which remain plastic throughout life, LLMs forget all learning from previous sessions unless explicitly stored in external memory.

Impact: Highlights the need for continual learning frameworks in enterprise AI deployments to ensure models can adapt to changing business environments without retraining.

— from LLM Limits: Correlation vs Causation for AGI · AI + a16z· Mar 17, 2026