Small businesses and one-person companies adopting AI in 2026 have three real paths: build in-house, buy a general agent platform (Nano Work / ChatGPT for small business), or hire a forward-deployed engineer (FDE). A cost / speed / control / scale comparison table shows exactly which one fits — and where each hits a wall.
OpenAI now sends its own Forward Deployed Engineers on-site to stand up enterprise agents through a product called Presence. That quietly turns "build vs. buy" into a three-way decision—AI lab, in-house team, or independent partner—and the right answer depends on control, lock-in, and whether you've built the evaluation and governance to run agents in production at all.
Renting a frontier API and owning your own agents aren't a binary — they're points on a curve that moves with scale. Here's an answer-first 2026 framework for when to rent, when to build, where the cost inflection point actually sits, and why the companies that cross the adoption threshold hire more, not fewer, people.
Enterprise AI implementation. Our FDEs embed on-site to grow AI into your business — cutting costs and winning the market.
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