Last Tuesday, I was on a demo call with a CEO when he told me something that I haven’t been able to stop thinking about.
“Two weeks ago,” he said, “I got on a call with a customer who wanted to show me what he’d vibe coded.”
He thought it’d be a simple toy project (as anything vibe coded usually is).
Wrong.
The customer had built an entirely custom layer on top of his SaaS using a Mac Mini, Open Claw, and around $300 in tokens. In just 3 days.
What’s even more powerful is the fact that he was able to reshape the core product around his unique workflows and needs – even though what he made was vibe coded and not production-grade, it fit his company’s needs better than the base product.
I’ve spent the last year talking to hundreds of B2B SaaS founders and I’ve heard every fear about AI, but this felt different.
The 3-Day Replacement
This CEO runs an 11-year-old B2B SaaS platform, the kind of software that entire companies run on every day.
One of their customers (slightly more technical than average, but not a developer) wanted functionality that didn’t exist in the platform.
He didn’t want to wait for their team to build it: So he bought a Mac mini, installed Open Claw, and in three days:
- Built custom widgets that injected directly into the SaaS UI
- Pulled data from QuickBooks and another system to integrate what he needed
- Created his own database to track data the platform didn’t handle
- Deployed it himself
Now, as an amateur developer, he might not have built the most secure system or the most stable in production. But the customer was able to build something that worked immediately, gave value quickly, and significantly improved the workflow, without waiting or costing too much.
When I asked the CEO what this meant for his business, he didn’t hesitate: “It’s an existential threat. We could have built all of that, and it would have been better than what he did. But we didn’t, and he did it himself.”
Think Vibe Coding is a Toy?
I know what you’re thinking: Vibe coding is that thing people joke about on Twitter with security-riddled prototypes that don’t really work in production.
I thought the same thing.
But here’s what that CEO told me: “At some point, people like him are going to switch software systems. Or worse—people just won’t sign up to begin with because they’ll vibe code their own solutions.”
One of my customers, a maintenance operations SaaS, watched usage jump from 35% to 70% after implementing our vibe coding layer. The latest launch is a “Studio” that allows ANY customer to build ANY kind of workflow/app/automation on top of their SaaS.
So, B2B customers are already using AI in a new way. They are enjoying the “high” that comes with the level of speed and control that vibe coding offers, not just on prototypes, but applied to their business’ unique needs.
What Building ON Your Platform Looks Like
Despite the fact that vibe-coding does not always result in production-grade software, it looks like it is here to stay. Moving forward, there are essentially two options:
- Your customers hack together scripts, Open Claw, and vibe code their own products themselves.
- They officially vibe code on top of your platform, thereby extending it and using it more.
What I’m saying in the second option is not exactly a new idea. Monday.com, a public company, just hit $1M ARR in 2.5 months with a vibe coding layer – their most successful product launch ever.
When I showed the CEO what we’re doing with Gigacatalyst—a white-label vibe coding platform for B2B SaaS companies—he immediately got it. His customers could finally build whatever they wanted on top of his platform, in a secure and permissioned way, without him hiring a team to build it.
My customers in the maintenance space told me about an end-user who’d been doing complex operations in spreadsheets and Python scripts for years. After getting access to our vibe coding layer, everything moved into the platform. Customer is happy to get rid of his MacGyver’d scripts, and the SaaS vendor is happy because the customer is using the platform more.
As one customer put it: “With you, we can just give them the paintbrushes, and watch them paint.”
The Nine-Month Window
At the end of our call, the CEO made a prediction:
“Every single SaaS company is gonna be like, oh, shit. Within the next nine months.”
He’s a former VC – He knows what an inflection point looks like. And he’s convinced this is one.
Fifteen years ago, software companies were terrified of exposing APIs, but the forward-thinking ones opened up anyway and discovered people built ecosystems on their platforms—integrations they never would have imagined.
Except vibe coding is bigger than APIs. Vibe coding lets anyone build interfaces, workflows, and entire applications.
Either you become a platform that customers can build on, or you become a product they build around.
Monday.com chose “with” and got $1M ARR in 2.5 months. My customers chose “with” and watched retention double.
What are you choosing?
I’m building exactly what that CEO wished existed: a white-label vibe coding platform for B2B SaaS companies, so your customers can build on your platform instead of leaving to build alternatives.
We’re backed by Y Combinator and are currently in the P26 batch.
My customers tell me this is the best retention and engagement strategy in 2026. If you want to see what this looks like for your platform, I can reach out with a custom demo.