Technical Sharing
When to Use Multi-Agent: The Cost Threshold and ROI of Multi-Agent Systems
Multi-agent systems can outperform a single agent by 90%, but at roughly 15x the token cost and compounding reliability risk — and Gartner predicts 40% of agentic AI projects will be canceled by 2027 over runaway costs. Using real data from Anthropic, Gartner and McKinsey, this article breaks down the three hidden costs of multi-agent and offers a four-gate ROI decision framework for when it is worth it and when to save your budget.