Honest comparison
Joeckel Design vs Custom GPTs
Custom GPTs are the easiest way to make a "version of ChatGPT" with your knowledge baked in. They live inside ChatGPT, only ChatGPT Plus subscribers can use them, and they can't actually integrate with your business systems.
Cost at a glance
Custom GPTs
$20–$60/mo
- ChatGPT Plus (required)$20/mo
- ChatGPT Team$25/mo
- ChatGPT Enterprise$60/mo — Per seat, annual
You operate, configure, and maintain it yourself. Add-ons sold separately.
Joeckel Design
From $199/mo, scoped per integration
- AI starter integration$199/mo
- AI pro integration$499/mo
- BespokeQuoted
Free build/scope. Done-for-you. Cancel anytime.
What Custom GPTs does well
We're not here to bash. Custom GPTs is the right choice for some people. Here's where it earns its sticker price.
- ✓Fastest way to package context + instructions for a specific use case
- ✓Built into ChatGPT — no infrastructure
- ✓Knowledge files are easy to upload and update
- ✓Free to build, only the user needs ChatGPT Plus
Where Custom GPTs falls short
- ✗Lives inside chat.openai.com — your customers must have ChatGPT Plus to use it
- ✗No integration with your website, your CRM, your database, your tools
- ✗Cannot embed on your site (officially) without third-party hacks
- ✗Limited memory — knowledge files have a size cap
- ✗No auditability for production use
- ✗OpenAI can change the rules at any time
Hidden costs to watch
- ·ChatGPT Plus subscription required for the user
- ·No native way to use in your business workflows
- ·Setting up an actual integration means rebuilding outside Custom GPTs
What Custom GPTs customers actually complain about
"My Custom GPT only works inside ChatGPT and my customers can't use it"
"I want it on my website and there's no official way"
"I want it to do something — book an appointment, send an email — and it can't"
Shipped Integration · Production Traffic
This is what we ship instead
thesistrade.app is an AI-reasoned algorithmic trading platform we built in-house. Claude Sonnet evaluates every detected pattern with full market context and returns a go/no-go decision; GPT-5 Mini classifies live news for sentiment-weighted confluence; approved decisions execute as real bracket orders on Alpaca. Around 12,000 AI decisions per month in production. Typical Custom GPTs output is in a different league.
Where Joeckel Design wins, head-to-head
- ★Real Claude or GPT integrations on your website, app, or systems — not behind ChatGPT
- ★Custom UX you control
- ★Function calling on your real APIs (CRM, calendar, Stripe, anything)
- ★Audit logs, monitoring, error handling
- ★thesistrade.app proves we ship production-grade AI integrations with structured output and brokerage execution
Ready for the real version?
We scope your AI integration for free, then build it on your stack with structured output, real action calling, audit logs, and ongoing maintenance.
No credit card. Cancel anytime.
Frequently asked questions
I built a Custom GPT. Can I move it to my website?＋
Not directly — Custom GPTs are designed to live in ChatGPT. We rebuild what your GPT does as a real integration: same prompt logic, your branding, embedded on your site, optionally calling your real systems (booking, CRM, payment).
How is your AI integration different from a chatbot?＋
A chatbot reads a script. Our integrations call Claude or GPT against your real data, validate structured output, and can take actions — book an appointment in Google Calendar, send an SMS, charge a card via Stripe, log to your CRM. It's the difference between a brochure and a product.