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How to Choose an AI Automation Tool: Platform vs Agency vs Agent

Converze ResearchJan 8, 20258 min read
AI automation tool comparison: platform vs agency vs agent

The AI automation market is crowded and confusing. Zapier, Make, n8n, a freelance developer, a traditional agency, or a managed AI agent service — each solves a different problem. Here is how to choose.

The Four Options

Automation Platforms (Zapier, Make, n8n)

Best for

Simple, rule-based workflows between apps

Not for

Complex logic, AI decision-making, or processes that require judgment

Cost

£20–£500/month depending on volume

Effort

Medium — requires setup and ongoing maintenance

Verdict

Good for connecting apps. Not good for replacing human judgment.

Freelance Developer

Best for

Custom one-off automations with specific technical requirements

Not for

Ongoing support, iteration, or processes that evolve over time

Cost

£500–£5,000 project cost, then you own the maintenance

Effort

High — you manage the relationship and the output

Verdict

Good for bespoke builds. Not good for ongoing managed automation.

Traditional Automation Agency

Best for

Large-scale enterprise automation projects with long timelines

Not for

SMEs that need fast deployment and flexible pricing

Cost

£5,000–£50,000+ project cost

Effort

High — long discovery, long build, long handover

Verdict

Good for enterprise. Overkill and overpriced for most SMEs.

Managed AI Agent Service (e.g. Converze)

Best for

Specific, high-impact business processes that require AI judgment

Not for

Businesses that want to own and manage the infrastructure themselves

Cost

Monthly subscription — typically £300–£1,500/month per agent

Effort

Low — agent is built, deployed, and maintained for you

Verdict

Best for SMEs that want results without technical overhead.

The Decision Framework

Ask yourself three questions:

  1. Do I want to own the infrastructure or just the outcome? If you want outcomes without technical overhead, a managed agent service is the right choice.
  2. Does the process require judgment, or just rules? If it requires judgment (qualifying leads, personalising messages, triaging support), you need AI — not just automation.
  3. How fast do I need this running? Platforms and freelancers take weeks to months. Managed agents can be deployed in days.

The honest answer for most SMEs:

You do not need to build automation infrastructure. You need a specific process automated, running reliably, with someone responsible for maintaining it. That is what a managed AI agent service provides.

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