Artificial intelligence has become an essential part of running a successful marketing agency.
From writing blog posts and email campaigns to creating sales funnels and documenting processes, AI is helping agencies work faster than ever before.
Two of the biggest players leading this transformation are Claude by Anthropic and OpenAI (through ChatGPT).
Both are incredibly capable.
Both continue to evolve.
But which one is the better choice for marketing agencies?
The answer isn't as simple as choosing one over the other.
Let's compare Claude and OpenAI across the tasks agencies perform every day—and explore how they work alongside GoHighLevel to streamline marketing, automation, and client delivery.
Why Marketing Agencies Need AI
Agency owners wear a lot of hats.
On any given day, you might be:
Writing sales copy
Building funnels
Creating email campaigns
Managing client communication
Documenting workflows
Brainstorming content ideas
Optimizing SEO
Training new team members
AI doesn't replace these tasks.
It helps you complete them more efficiently.
When paired with GoHighLevel, AI becomes a productivity multiplier.
Meet Claude
Claude, developed by Anthropic, is designed for thoughtful writing, long-form content, and handling large amounts of information.
Many agencies use Claude for:
Blog writing
SOP creation
Client documentation
Email campaigns
Editing
Research summaries
Claude is particularly strong when working with long documents or maintaining a consistent writing style.
Meet OpenAI
OpenAI powers ChatGPT, one of the most widely used AI assistants in the world.
In addition to writing, ChatGPT offers powerful capabilities for:
Coding
Brainstorming
Data analysis
Image generation
Marketing strategy
API guidance
Automation planning
Its versatility makes it a valuable tool for agencies handling a wide range of projects.
Feature Comparison
Both platforms perform exceptionally well, but each has different strengths.
When Claude Is the Better Choice
Claude excels at producing natural, polished, and well-structured writing.
It's especially useful when creating:
Blog articles
Client proposals
Case studies
Internal documentation
Knowledge bases
Training materials
Email sequences
If your agency spends a significant amount of time creating written content, Claude is a strong choice.
When OpenAI Is the Better Choice
OpenAI shines when projects involve multiple disciplines.
It's ideal for:
Marketing strategy
Technical troubleshooting
Custom code
Automation planning
Spreadsheet analysis
Image creation
Brainstorming
Many GoHighLevel users rely on ChatGPT when building advanced workflows or integrating third-party tools.
How Marketing Agencies Use Both
Increasingly, agencies aren't choosing one AI platform.
They're combining them.
Here's a practical example:
This hybrid approach allows agencies to use each platform where it performs best.
Where GoHighLevel Fits In
Claude and OpenAI create the content.
GoHighLevel puts that content into action.
For example:
Claude writes:
Welcome emails
Client onboarding guides
SOPs
Monthly newsletters
GoHighLevel automates:
Email delivery
SMS reminders
Appointment confirmations
Lead nurturing
Review requests
Meanwhile, OpenAI can help build the logic behind more advanced automation systems.
Together, they form a complete marketing stack.
Real Agency Workflow
Here's how many agencies streamline their operations:
Each platform contributes to a different stage of the process.
Common Misconceptions
AI Replaces Marketers
It doesn't.
AI accelerates execution, but strategy, creativity, and client relationships still require human expertise.
One AI Can Do Everything
While both Claude and OpenAI are powerful, each has strengths.
Choosing the right tool for the task often produces better results.
AI Eliminates Editing
Even the best AI-generated content should be reviewed before publishing.
Your agency's voice, expertise, and quality standards still matter.
Which One Should Your Agency Choose?
Choose Claude if your agency primarily focuses on:
SEO content
Blog writing
Documentation
Email campaigns
Internal knowledge bases
Choose OpenAI if your agency frequently handles:
Automation
Coding
Technical integrations
Data analysis
Creative brainstorming
For many agencies, the ideal solution is using both alongside GoHighLevel.
Claude and OpenAI are changing how marketing agencies operate.
Instead of spending hours writing, researching, or documenting repetitive tasks, agencies can use AI to produce high-quality work in a fraction of the time.
GoHighLevel then takes that content and automates delivery through funnels, workflows, CRM, email marketing, and client communication.
The agencies that thrive in 2026 won't simply use AI.
They'll build systems that combine AI with automation to create faster, smarter, and more scalable businesses.
FAQs
Is Claude better than OpenAI for marketing agencies?
It depends on your needs. Claude excels at long-form writing and documentation, while OpenAI offers broader capabilities, including coding, automation planning, and creative problem-solving.
Can I use Claude and OpenAI together?
Yes. Many agencies use Claude for writing and OpenAI for technical tasks, strategy, and workflow planning.
Which AI works best with GoHighLevel?
Both complement GoHighLevel well. Claude creates content for campaigns, while OpenAI helps agencies build and optimize automations.
Should AI replace my marketing team?
No. AI improves efficiency, but strategy, creativity, and client relationships still require experienced marketers.
Is using two AI tools worth it?
For agencies managing multiple clients and services, using both tools often increases productivity and flexibility.
Future-Proof Your Agency With AI
At Havstock, we help agencies combine GoHighLevel with leading AI tools like Claude and OpenAI to build smarter workflows, create better marketing campaigns, and automate repetitive tasks. The right AI stack doesn't replace your expertise—it helps you deliver it faster.