Block CTO Dhanji Prasanna: Building the AI-First Enterprise with Goose, their Open Source Agent

· ai · Source ↗

Summary based on the YouTube transcript and episode description.

Block CTO Dhanji Prasanna explains how Goose, their open-source AI agent, is saving engineers 8-10 hours/week and why swarms of small models will outcompete monolithic LLMs.

  • Block’s AI productivity metric targets 25% of manual hours saved by end of 2025; engineers currently report 8-10 hours/week saved.
  • Goose writes the vast majority of its own codebase; the goal is 100% self-written code per release.
  • Non-engineers at Block now build dashboards, reports, and functioning sites using Goose without writing code.
  • Prasanna’s bet: 50-1000 instances of small, cheap open-source models running in swarms will outperform single large closed models for complex tasks.
  • Block reorganized from GM business-unit silos to a centralized functional org specifically to accelerate AI adoption across Square, Cash App, and Tidal.
  • Headless Goose runs in Block’s CI pipeline and auto-fixes infosec vulnerability tickets, subject to human review before any production merge.
  • Square AI (public beta) lets merchants query financials conversationally; one wine bar used it to discover closing early would cut staff tips, reversing the decision.
  • Block treats all internal and product capabilities as API primitives, with Goose as an agent middleware layer sitting on top — the architecture they see unlocking the next wave of utility.

2025-09-30 · Watch on YouTube