Originally published on Codeloop Software . Quick answer: In 2026, a custom single-purpose AI agent (lead qualification, support deflection) costs $1,500–$5,000 to build plus $300–$800/month to run . Multi-agent workflows run $5,000–$25,000 plus $1,000–$3,000/month, and complex enterprise build...
Source: [Dev.to](https://dev.to/codeloopsoftware/how-much-does-it-cost-to-build-an-ai-agent-in-2026-3k2b)