Case StudyLangChain generated 6 figures in pipeline and built 17 landing pages in under 2 hours with Flint
"We invested in paid search but had no customization or landing pages aligned to our keywords. Flint brought everything we needed — it inherits our designs, and when we rebranded in March, it only took us a few hours to update everything."
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The Challenge
Paid search budget, zero landing page infrastructure
LangChain had already invested in paid search between November and January, but every dollar was driving traffic to generic pages with no keyword alignment. Their site runs on Webflow, where every update affects the entire website and requires manual design work. With the design team at capacity, building 17 keyword-targeted pages was not going to happen anytime soon.
The team had evaluated alternatives. Mutiny was too expensive and overly enterprise-focused, built for ABM and sales enablement rather than flexible marketing page creation. Tools like Unbounce and HubSpot could create individual pages, but none could do it at scale while staying on-brand.
"Mutiny is more of an ABM-only tool. It's a bigger enterprise play with features we didn't need. We just needed customization that was flexible on design and copy, aligned to our campaigns."
The Solution
17 keyword-targeted landing pages built in under 2 hours
With Flint, Angeline built content for all 17 landing pages in a spreadsheet, mapped each to a keyword group, and generated them all at once. The actual page creation took roughly two hours, including building out all the copy and content. Each page inherited LangChain's existing Webflow design system automatically.
"With the Flint landing pages, we were able to test which keyword groups were higher intent and which ones needed more education. We understood that in under three weeks."
From $0 to 6 figures in pipeline in 6 weeks
Before Flint, LangChain had zero pipeline from paid search. After launching the 17 Flint-powered landing pages in February, they generated 6 figures in pipeline and closed two deals within roughly six weeks. The team doubled their paid search spend because they finally had the confidence, and the conversion data, to scale.
The team ran A/B tests, sending one audience to Flint pages with a single demo-request CTA and another to their standard pages. Within three weeks, they could identify which keyword groups were high-intent versus which needed more education.
"We went from zero pipeline to 6 figures with Flint pages. We also closed two deals within about a month and a half. For a quick test, that's pretty good."
Rebrand rollout in 2-3 hours, not weeks
LangChain went through a full rebrand in March. On their main Webflow site, a quarter of the pages were still in the old designs weeks later. With Flint, the team updated all their landing pages in a single Friday afternoon session and published the new designs by Sunday night.
"That was the whole reason we wanted Flint. We knew we'd rebrand in a month. Even on our main site, a quarter of the pages are still in the old designs. With Flint, we locked in a Friday afternoon and published the updated pages by Sunday night."
The Bottom Line
6 figures in pipeline, 2 deals closed, 17 pages built in under 2 hours, and a full rebrand in a single afternoon
LangChain turned paid search from a zero-pipeline channel into a proven acquisition engine with Flint. They built and launched 17 keyword-targeted landing pages in under 2 hours, generated 6 figures in pipeline within 6 weeks, and rolled out a full rebrand across all their landing pages in a single Friday afternoon.
"We invested in paid search but had no customization or landing pages aligned to our keywords. Flint brought everything we needed — it inherits our designs, and when we rebranded in March, it only took us a few hours to update everything."
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