Show HN: Phantom – Open-source AI agent on its own VM that rewrites its config vs Show HN: Agent Kernel – Three Markdown files that make any AI agent stateful

Show HN: Phantom – Open-source AI agent on its own VM that rewrites its config vs Show HN: Agent Kernel – Three Markdown files that make any AI agent stateful comparación completa 2026. Mira valoraciones, precios, puntos fuertes y limitaciones de cada IA lado a lado y elige la mejor para tu caso.