AI Matters
Why it matters
Teams of AI agents cost up to 5x more with little quality gain
The Decoder AI agent teams waste massive tokens for barely measurable quality gains, research finds
Vals AI found teams of AI agents barely beat solo agents while costing up to 5.1 times more; only one of four tests showed a measurable gain.
Why it matters
If you pay for AI tools that use multiple agents, you may be paying much more for results that are barely better than one agent.
Latest brief · Oct 19, 2026