The B2B SaaS world is facing a crisis. Customers are demanding flexibility that most vendors simply can't deliver.
I've spent the last year talking to hundreds of SaaS founders and operators across the spectrum—from preseed startups to Series E companies. The pattern is clear: when customers feel like your software doesn't adapt to their workflow, they churn. And with AI making customization seem trivially easy, those expectations have never been higher.
The numbers back this up. Morgan Stanley's SaaS basket is down 40 points from the Nasdaq since December. Companies like HubSpot and Klaviyo have dropped roughly 30%. Wall Street analysts are literally publishing reports with titles like "No Reasons to Own" about software stocks.
Why Customers Are Churning #
Your customers have seen what's possible with AI. They've watched colleagues build internal tools in an afternoon. They've tried one of the dozens of vibe coding platforms that promise to connect to any API and pump out workflow apps.
It takes some effort to get these tools working right—I've had calls with VPs who've tested eleven different vibe coding platforms and can compare the tradeoffs between each. But once they figure it out, the productivity gains are immediate.
And here's the thing: they love it. Building something with AI feels powerful. You describe what you want and watch it materialize. It's addictive.
What these non-technical users don't realize is that their quickly-built systems will eventually fail. Senior programmers understand that our real job is modeling real-world relationships, processes, and workflows in a way that creates stability. AI can generate code, but it can't architect a robust system. But your customers don't know that—they just see what's possible.
Case in point: a Series E CEO told me they're dropping their $30,000/year engineering productivity tool. Why? They had one engineer spend some time reimplementing the core functionality using Github and Notion APIs. They're not renewing.
The Usage Problem #
Here's what's really killing B2B SaaS: underutilization.
Sales teams sell the software at the start of the year with big promises. Implementation gets it set up. Then usage drops because the software doesn't quite fit how the team actually works. The training is too complex. The UI is confusing for the people who need to use it daily. Getting the reports executives want requires jumping through complicated BI configurations.
Low usage gets noticed by CFOs. And low usage leads to cancelled subscriptions.
One of my customers runs a maintenance operations SaaS. Their technicians barely touched it—usage was stuck below 35%. Not because the software was bad, but because the UI was too complex for frontline workers who just needed to log work orders.
What Makes Giga Catalyst Different #
This is the exact problem Giga Catalyst was built to solve.
It's a whitelabeled vibe coding platform that sits on top of your existing B2B SaaS. But instead of your customers building workarounds or replacement tools, they're building on your platform. Your Customer Success and Implementation teams can create customized workflows for each customer—no engineers required.
Here's the workflow:
Your Implementation team identifies what customers need. Maybe multiple customers are asking for custom approval routing. Instead of filing an engineering ticket that sits in a six-month backlog, they describe it to Catalyst AI.
Catalyst generates a working app connected to your platform's APIs. Your CS team reviews it, tests it, and deploys it. No code written.
Each customer gets their own version, tailored to their specific workflow. You deploy through Catalyst's built-in app store. It takes days instead of quarters.
Real Impact #
Back to that maintenance SaaS with 35% usage among technicians.
When they implemented Catalyst, their CS team built a simplified mobile webapp in a few days. Technicians got exactly what they needed: a simple interface to create maintenance work orders. Nothing else. Just that one core function, presented in a way that made sense for their daily workflow.
Usage jumped to over 70%.
The executives were happy too. They could vibe code custom reports exactly how they wanted them, without waiting for the BI team to configure dashboards. They felt like they had superpowers.
The key insight: all of this sits on top of the existing SaaS. That core platform still handles security, authentication, and data management. It's still the system of record. The SaaS vendor didn't lose control—they gained flexibility.
Now that company is building micro-apps for all their different customer workflows. Their customers aren't building around them or replacing them. They're building on top of them.
Why This Approach Works #
My customers describe Catalyst as the best investment they've made for retention and expansion in 2026. And it makes sense: when your users are building on your platform, they're not shopping around for alternatives.
A prominent VC saw what Catalyst enables and said, "This is the future of marketplaces and software companies."
Maybe that's true. Maybe it's just another cycle and traditional SaaS will adapt some other way. But the companies I work with aren't waiting to find out. They're shifting from "use our product" to "build on our platform" right now.
The Fundamental Shift #
After hundreds of these conversations, I've come to a conclusion: AI isn't destroying B2B SaaS. It's destroying B2B SaaS that won't evolve.
The traditional SaaS promise was simple: we build it once, you pay us forever. That worked when building software was genuinely hard. But your customers have now seen their finance team create a custom dashboard in an afternoon. They've watched non-technical product managers build internal tools that actually match their workflow.
Once you've seen that, you can't go back to paying tens of thousands annually for software that almost fits your needs.
The winners won't be the companies with the most features. They'll be the ones that let customers build on their platform instead of replacing it.
The question isn't whether AI will disrupt your SaaS business. It's whether you'll be ready when it does.
Giga Catalyst is a whitelabeled AI platform for B2B SaaS companies. Your users can vibe code customized workflows on top of your existing system of record. CS teams can deliver what customers need without pulling engineering resources.
My customers tell me it's the best way to improve retention, engagement, and expansion in 2026. If you're interested in seeing how it works, reach out and I'll show you a custom demo, or learn more at gigacatalyst.com.