Is ChatGPT improving client–agency relationships?

Since generative AI burst into the mainstream, one theme has consistently emerged in agency life: clients are using AI tools more than ever, and it’s reshaping how they brief, review and collaborate with agencies.

But the question isn’t: “Will AI replace agencies?”. It’s the far more interesting and immediate one: “Does AI make the client–agency partnership better?”

From our vantage point at Wellmark, the answer is: it depends – and often, yes. But not always in the ways people expect.

1. AI is making briefs clearer – when used well

A good brief is gold: focused, strategic and actionable. But many clients struggle with the blank page or with articulating what they need – especially in complex healthcare categories.

We’re now seeing clients use ChatGPT and similar tools to:

• Draft first-pass briefs
• Summarise background documents
• Articulate positioning or messaging needs
• Map out audience segments
• Clarify what they’re actually trying to achieve

When this is done thoughtfully, it can dramatically improve the starting point for agencies. Instead of wading through ambiguity, we can focus on strategic refinement and creative problem-solving.

Where it goes wrong

AI can produce briefs full of buzzwords, generic marketing speak or misaligned assumptions. When clients copy-paste AI outputs without critical thought, agencies spend more time un-doing than executing.

The opportunity

AI doesn’t replace strategic rigour – it accelerates it if the client knows what to ask, what to keep and what to discard.

2. AI is making feedback clearer – and sometimes harsher

One surprising development is when clients feed agency work into AI tools to ‘improve’, ‘polish’ or ‘tighten’ it.

This can be helpful when:

• A client struggles to articulate the problem
• They want multiple wording variations quickly
• They’re trying to get a sense of tone possibilities
• They want to check if key messages are being communicated.

Wellmark has seen AI-aided feedback that is sharper, more specific and more actionable than the traditional ‘Can we punch this up?’ or ‘Make it clearer?’.

But here’s the flip side

AI can produce feedback that is:

• Overly direct or clinical in tone
• At odds with regulatory or brand constraints
• Incorrect in its clinical interpretations
• Detached from nuance (‘Remove jargon’ when the ‘jargon’ is medical accuracy).

The risk is that AI shortcuts appear faster – but not always wiser.

The opportunity

AI-generated feedback can be a powerful conversation starter, not a verdict.

3. AI is helping clients understand what agencies actually do

Perhaps the biggest unexpected benefit is clients now seeing how much human interpretation, brand judgement and clinical understanding truly matters.

We hear comments like:

• ‘I asked ChatGPT to write my whole campaign … but it lacked nuance.’
• ‘It’s fast, but it’s not strategic.’
• ‘It sounds confident even when it’s wrong.’
• ‘It can’t stitch together clinical data with behavioural insight.’

AI makes agencies more valuable, not less, because clients can now see the gap between:

• Content and strategy
• Language and meaning
• Accuracy and persuasion
• Data and behaviour change

AI shows them the surface-level output, while agencies deliver the depth.

4. AI is accelerating the grunt work, freeing space for strategic partnership

Across Wellmark projects, we’ve already seen AI meaningfully reduce time spent on:

• Summarising large documents
• Extracting key clinical facts
• Drafting variations of copy
• Preparing meeting notes or content outlines.

When used collaboratively between client and agency, this creates space for:

• Deeper audience insight
• Bolder creative thinking
• More thoughtful medical-creative integration
• Better strategic planning
• Less friction in the review process.

In other words, it can be used to deliver more value where it matters.

5. But the client–agency relationship still hinges on one thing: trust

No AI tool – however fast, clever or fluent – can replace the fundamentals:

• Trust in clinical accuracy
• Trust in strategic judgement
• Trust in creative courage
• Trust in the agency’s ability to navigate regulatory nuance
• Trust built through conversation, not prompts

AI can strengthen a partnership, but only if both sides use it as an enhancer – not a replacement for dialogue.

So, does AI improve client–agency relationships?

Yes – when used as a thinking partner, not a doing partner.

AI should:

• ✔ Help clients articulate what they want
• ✔ Help agencies work faster
• ✔ Help both sides explore ideas
• ✔ Help refine language and thinking
• ✔ Help surface blind spots.

But it should never:

• ✘ Replace strategic discovery
• ✘ Replace clinical expertise
• ✘ Replace creativity
• ✘ Replace collaboration
• ✘ Replace the human reading of an audience.

The real value of AI is not what it writes but how it enhances the partnership between clients and the humans who translate complexity into communication that works.

That’s where agencies like Wellmark will continue to thrive. Not in spite of AI, but alongside it.