Buying guide · Agents

AI assistant vs AI agent vs implementation partner: the difference in one table.

“Agent” is on every pricing page this autumn. But business owners are really choosing between three different things, and the price tags hide the difference. Here it is in one table.

In 30 seconds
  • Assistant: answers when asked. You do the work.
  • Agent: acts toward a goal. You set it up and supervise it.
  • Implementation partner: builds the agent into your business and answers for the result.

The one table

AI assistantAI agent (self-serve)Implementation partner
ExamplesChatGPT, Claude chatDots, Cowork, Manus, GensparkIAW
You give itA questionA goalA workflow and a target
Who builds itNobody; ready nowYouThe partner
Connects to your systemsRarelyIf you wire itYes, as part of the build
Who checks qualityYouYouPartner plus your approvers
Typical cost$0 to $200 a month$20 to $250 a month plus creditsFixed project price, from $1,500 at IAW
Accountable for resultsNoNoYes, in writing at IAW

When each one is the right call

Choose an assistantfor thinking, writing and research. Cheap, instant, universal.
Choose a self-serve agentwhen you have the time and skill to set it up and watch it.
Choose a partnerwhen the workflow touches money, customers or regulation, and you need a number you can hold someone to.
Combine themmost companies end up with all three.

Doing it yourself

  • Lowest cost
  • Fastest start
  • Your time is the hidden price
  • Quality depends on who set it up

Using a partner

  • Higher upfront price
  • Weeks to launch
  • Your team’s time is freed
  • Quality is measured and owned

Three real examples

ScenarioAssistantSelf-serve agentImplementation partner
A clinic’s prior authorisationsDrafts a letter you paste inFills a form if you set it up and watch itBuilds it into the EHR, with biller approval and weekly accuracy
A law firm’s client intakeSummarises an emailReplies to inquiries from a templateGathers facts, runs conflict checks and books the consult
A plumber’s missed callsNot much helpTexts back if you wire it upAnswers every call, books jobs and flags emergencies

Questions that reveal what you’re buying

“Who sets it up?”If the answer is you, it’s a tool.
“What happens when it’s wrong?”Listen for a process, not a disclaimer.
“How will we measure it?”A partner names a number before building.
“Who owns it if we leave?”You should keep the code, prompts and data.

Signs you need a tool

  • Low-stakes, varied tasks
  • You have time to tinker
  • No integration needed
  • Results are easy to check

Signs you need a partner

  • The same task, every day
  • Mistakes cost money or trust
  • It lives in your core systems
  • You need a number to report

Frequently asked questions

Is ChatGPT an assistant or an agent?

Both now. The chat is an assistant; features like Dots and ChatGPT Work are agents you set up and supervise yourself.

What does an AI implementation partner do?

It designs, builds, connects and maintains an AI agent on your workflow, and is accountable for the result.

Which should a small business start with?

An assistant for everyone, then one implemented agent for the workflow that costs you the most time or money.

Is an AI agency the same as an implementation partner?

Some are. Ask whether they measure a baseline, build inside your systems, support it after launch and put a target in writing.

Can I start with a tool and move to a partner later?

Yes. Many clients prove the idea with a tool, then hire a partner to make it reliable and integrated.

See the full comparison

We compared IAW directly with ChatGPT, Claude, Cowork, Manus, Kimi and Genspark in IAW vs ChatGPT, Claude, Cowork, Manus, Kimi and Genspark.

Sources: 9to5Google; Claude pricing; Manus pricing.

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