Projects finishing ahead of schedule. Engineers self-funding work that never made the business case before. A consistent 20% net productivity gain across the board. @marcoargenti, CIO of @GoldmanSachs, doesn't throw numbers around loosely. So when he shared those figures at RAISE Summit, in conversation with @TomMackenzieTV (@business), the room paid attention. The shift he described: engineers used to start from a napkin sketch. Now they vibe-code a rough version first. Not production-ready, but close enough to show a client exactly what they're getting. Then the real work begins, swapping paper walls for steel, hardening the architecture underneath. The productivity gains are real. But Argenti was equally clear about where the line stays human. Final decisions don't get outsourced. That's judgment, and he hasn't seen evidence yet that AI judgment beats human judgment when it counts. One of the world's most influential financial institutions is rethinking how work gets done. The results are already showing up in the numbers. Watch the full conversation: