Nine agents I built and put into production — from a sales agent working in messengers to a blog editor. Below: what each one does, the result it produced, and what this kind of development costs on the market in 2026.
Short answer: AI agent development runs from $20,000 for a simple agent to $200,000+ for an enterprise one, plus $3,000–13,000 a month to keep it running. The range is that wide because "AI agent" covers both a rule-based FAQ bot and an autonomous system that makes its own decisions and acts inside other people's software.
Simple, reactive
$20,000 – 35,000
Answers from a script, keeps no memory between sessions. FAQ bots, help desks.
Mid, contextual
$40,000 – 70,000
Remembers the conversation, runs multi-step flows, calls 1–3 external services.
Advanced, autonomous
$80,000 – 120,000
Plans its own steps, orchestrates tools, makes decisions within set rules.
Enterprise
$100,000 – 200,000+
Several agents working together, legacy integration, security and audit requirements.
$3,200 – 13,000 per month: model tokens, vector database hosting, monitoring, prompt tuning, security. Almost nobody puts this into the "what does an agent cost" number, and it comes due every month. Over a two-year horizon, running costs often overtake the build itself.
— Number of integrations. Not model size — the count of other people's systems the agent has to plug into. Each one is separate work, separate access rights, a separate point of failure.
— Cost of being wrong. An agent that answers questions and an agent that takes a payment are different projects behind identical one-line briefs. The second one drags in checks, logs and a human in the loop.
— State of your data. If the knowledge lives in employees' heads and in chat history, half the budget goes not to AI but to collecting and cleaning that data.
— Level of autonomy. "Suggests to a manager" is several times cheaper than "does it itself", because the second needs rollbacks, guardrails and a plan for everything that goes sideways.
These ranges come from agency pricing guides published in 2026. An agency publishing that guide has a direct interest in the number looking impressive — so I'd read them as the market's upper bound, not the norm. Most of the work that reaches me doesn't need the top tier: a narrow agent aimed at one specific process pays for itself faster and costs far less. Which one you actually need shows up after somebody looks at your process, not from a price list.
The ranges above are the global market, and they read as an upper bound. My format is different: a narrow agent aimed at one process, a fixed price, and a paid stage only after you have seen the thing work.
AI Sales Agent
€1,200
First 6 weeks free: I build the agent, train it on your own conversations and show it working. You pay for the launch once the result is already visible.
AI Content Producer
€1,200 + €300/mo
One-time setup, then ongoing work: competitor analysis, content plan and posts in your own voice.
GEO — visibility in AI search
€1,100 + €300/mo
Audit, a spec your developers can build from, and implementation support. The express check before we start is free.
An agent for a task that isn't on this list is quoted separately, after I look at the process. The order is always the same: first we find where the money leaks, then I name a number.
I make your website visible in ChatGPT, Perplexity and Gemini answers — where traffic is going.
— Deep AI visibility audit across 6 dimensions + ready-made package (schema, llms.txt, robots, sitemap, guides) — in 1 week.
— Spec for your dev team and implementation support with transparent before/after measurement in ChatGPT and Perplexity.
Result: your brand starts being named in AI assistant answers — where competitors are still invisible. Generative engine optimization services
Automates Telegram channel management.
— Analyzes audience, creates weekly content plans, writes posts.
— AI editor adjusts post style to match the channel author and publishes them.
Result: content regularity, expertise, and 4 hours saved per week.
Writes timely posts about fresh events in the niche.
— Daily monitors global IT media, selects news and writes commentary in the author's style.
— Works fully autonomously — from API request to publication.
Result: channel looks "alive", audience sees the author is always in the know.
Intelligent AI chatbot for business in the UAE.
— AI answers client questions, connects an operator for complex requests.
— Personalizes communication, saves data, and increases loyalty.
Result: 24/7 service, reduced employee workload.
Creates SEO-optimized articles.
— Analyzes competitor content, forms structure, and writes articles.
— Helps grow in search rankings, replacing a team of 3 specialists.
Result: traffic growth from 1,000 to 94,000 visitors per month in 1.5 years.
Sales manager in WhatsApp — works 24/7, indistinguishable from a real person.
— Responds in 15 seconds any time of day. Guides client through a 7-step funnel: identifies pain, shows value, names price on prepared ground, and closes the deal.
— Handles objections, follows up on "I'll think about it" at 4h → 24h → 3 days. Complex cases — escalation to manager.
Result: lead-to-appointment conversion grows from 19% to 30-40% — without increasing ad budget. Book a demo
Analyzes competitors and helps create trending videos.
— Parses YouTube channels, collects statistics, analyzes engagement.
— Writes ready scripts for new videos and posts, based on trends and adapted to the expert's style.
Result: view growth and viral videos through regular analysis. Learn more
AI agent for personal finances — for individuals, not businesses.
— Helps organize expenses, find money leaks, and start building a safety cushion.
— Analyzes payments, subscriptions, fees, tariffs, and suggests specific steps.
Result: +€100-200 per month in the first 14 days, clarity and peace instead of stress. Get started
Helps find a job and prepare for interviews in Russia or abroad.
— Creates a strong resume for a specific market and role.
— Prepares for interviews and negotiations for a specific vacancy, not abstractly.
Result: Ready resume, 5 STAR cases, and interview prep in just 7 days. Get started
I create intelligent systems that handle routine — writing texts, analyzing data, communicating with clients, and optimizing finances. Tell me about your task — and we'll build a solution for your business or life.
Real recommendations from clients and colleagues
"We came to Roman for GEO — our site's visibility in AI search: the catalog was a mess and so were the answers AI engines gave. He ran a full audit and did the GEO work to get the site into AI answers: the score went from 58 to 79. He knows his craft and doesn't push extra services. Recommend."
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