Anthropic engineers ship 8x more code quarterly than in 2025, yet coding is no longer the bottleneck—ambition is. Fiona Fung, who leads Claude Code and Cowork teams, shares how she manages unprecedented velocity while preserving quality, culture, and engineer growth in an AI-transformed world. Anthropic engineers produce 8x more code per quarter than 2025, shifting focus from coding speed to ambitious thinking and verification frameworks.