Practical post for engineers and founders scoping an AI prototype for fundraising. The question that comes up constantly: What do you actually need to build for a pre-seed investor meeting, and what are you overbuilding? Context: Ailoitte builds investor-grade AI prototypes for pre-seed founders via AI Velocity Pods . Sharing what we see in scoping conversations. What Do Investors Actually Want to See in 2026? The pre-seed bar has moved. Investors at seed and pre-seed now expect a working AI demo — not a Figma prototype, not a recorded video, not a compelling deck. The AI working on real data, live, in the meeting. The mistake most founders make: they interpret this as needing to build the full product. They spend 4–6 months, $100K+, and approach investors with an exhausted team and a demo that keeps breaking under pressure. What Can You Actually Skip in a Demo Build?…