ANTHROPIC LEAKED A FILE WHERE 4 AGENTS BUILD A BUSINESS DOING $100K A MONTH IN 60 MINUTES four agents run around the clock, cost $0 and work against a $100,000 target scout → architect → 2 builders → critic → back to root what makes it a team isn't the four agents, it's the three contracts written between them the scout hands the architect who already ships this and what they charge the architect hands the builders a spec with the interfaces named the builders hand the critic a diff and the tests that cover it leave any one of those boundaries vague and the work goes missing exactly there Haiku 4.5 triages cheap, Opus 5 decides expensive, Sonnet 5 builds, Opus 5 judges the most expensive model runs twice: once to plan, once to pass verdict two builders in parallel is two ways to disagree - which is exactly what the gate is for $100,000 is 334 customers at $299, $50,000 is 167, $10,000 is 34 and what you pay isn't even visible on that same scale the cost was never the thing standing in your way save this and paste it into Claude Code - let it write your 3 contracts ↓