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 2026 완벽 비교. 각 AI의 평점, 가격, 강점, 한계를 나란히 보고 당신에게 가장 알맞은 것을 선택하세요.