# The Token Budget Problem: Why Multi-Agent AI Is Harder Than the Vendors Make It Look - slug: the-token-budget-problem-why-multi-agent-ai-is-harder-than-the-vendors-make-it-look - date: 2026-04-06 - category: Agentics Anthropic's own data shows token usage explains 80% of multi-agent performance gains. Single agents cost 4x chat; multi-agent costs 15x. The labs say start simple. The enterprise tooling vendors are selling the opposite. ---