Design Hub

Jun 10, 2026 · Artificial Intelligence

Why Prompting Isn’t Enough: Designing Loops with Claude Fable 5

Lance Martin explains that the next stage of agent engineering shifts focus from clever prompts to designing self‑correction loops and cross‑session memory, using Claude Fable 5’s parameter‑golf experiment and continual‑learning benchmarks to show how robust loops turn powerful models into trustworthy work systems.