Forget the $99/mo SaaS pricing pages. Here's what a real custom AI agent actually costs to build, run, and maintain — engineering hours, infra, model spend, evaluation, on-call. Plus the breakeven math vs the human team it replaces.
Every founder who asks "what does a custom agent cost?" is really asking three different questions stacked on top of each other: 1. (recurring infra + model spend) 3. (people-time to keep it working) The SaaS pricing pages with the big "$99/mo" headline only answer about 20% of question 2. Here's the bottom-up math, the way I actually quote deals. Build cost: what actually goes into "$9,950" Our typical custom-build fee at TrainYourAgent is $9,950.
(people-time to keep it working) The SaaS pricing pages with the big "$99/mo" headline only answer about 20% of question 2. Here's the bottom-up math, the way I actually quote deals. Build cost: what actually goes into "$9,950" Our typical custom-build fee at TrainYourAgent is $9,950. Here's where every dollar goes for a representative install (mid-complexity, two integrations, single-channel voice agent): Line item Hours Loaded rate Cost --- --- --- --- Discovery + scope doc 6 $250/hr $1,500 System prompt + persona engineering 8 $250/hr $2,000 Knowledge-base extraction + chunking 6 $250/hr $1,500 Integration #1 (CRM or PMS) 8 $250/hr $2,000 Integration #2 (calendar or telephony) 6 $250/hr $1,500 Evaluation suite (20 test cases) 6 $250/hr $1,500 Telephony provisioning + SIP routing 3 $250/hr $750 Production hardening + handoff 4 $250/hr $1,000 Total engineering 47 hrs $11,750 Founder margin reduction (discounted) -$1,800 Quoted price $9,950 The fully-loaded engineering rate of $250/hr reflects: senior IC pay, payroll burden, benefits, software stack (Vapi, Pinecone, monitoring, eval tooling), proration of office/admin overhead, sales acquisition cost, and ~25% gross-margin retained for the business. Below that rate, you're either using contractors who'll disappear when you need them, or you're building the wrong company.
Forget the $99/mo SaaS pricing pages. Here's what a real custom AI agent actually costs to build, run, and maintain — engineering hours, infra, model spend, evaluation, on-call. Plus the breakeven math vs the human team it replaces. It is filed under AI Strategy because that is where operators looking for this problem actually start, and it is written from production work rather than from a content calendar.