Market ranges for 2026, what pushes the price up or down, and why the monthly running cost matters more than the build.
Industry reports for 2026 put a simple single-purpose agent between roughly $1,500 and $8,000 to build, and a production-grade workflow agent between $8,000 and $80,000 depending on integrations. Off-the-shelf tools start near $20 to $500 a month. Read these as market ranges, not quotes: your price depends on your systems.
Four things move the number: how complex the task is, how many systems the agent must touch — CRM, calendar, invoicing — which channels it serves, and whether a person reviews its work.
The line buyers forget is the running cost: model usage, hosting and monitoring typically add a few hundred to a few thousand dollars a month, and maintenance runs about 15–30% of the build cost per year. An agent is a hire with a salary, not a purchase.
Buy when the job is common — answering FAQs, booking, capturing leads — and you need it live in weeks. Build when the workflow is yours alone and carries real volume. Most businesses should buy first, prove the return, then decide.
However you start, scope one workflow with a number attached: hours returned, answers corrected, leads turned into calls. If it does not pay for itself in weeks, narrow the task before spending more.