Executive Takeaway Most businesses do not need to begin with advanced autonomous agents. They need to begin by identifying repeatable work that matters, then building the smallest useful AI capability that improves it. For many organizations, the right first build is a structured AI assistant—such as a Custom GPT or Gemini Gem—grounded in clear instructions, approved knowledge, human review and measurable business purpose. Custom GPTs, Gemini Gems and Lightweight AI Agents: W