The use case: how Pantheon deploys CircleCI
Pantheon engineers use CircleCI to automatically test new WordPress and Drupal releases and updates against the Pantheon platform, so that users get new versions without failed code.
More reported results
Figures published in CircleCI’s case study. They are not independently measured by usedby.
Founded in 2010, Pantheon’s elastic hosting now powers over 150,000 websites, serving billions of pageviews a month.
In the customer’s words
CircleCI makes testing simple; it’s easier than any continuous integration tool I’ve used.Other AI tools used by Pantheon
Other public relationships recorded on usedby.
Explore Pantheon’s AI stack
CircleCI users in DevTools & Infrastructure
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Based on CircleCI’s published case study. We check the public evidence; the results are reported by the vendor.
circleci.com- Source published
- Nov 13, 2026
- Last checked
- Nov 13, 2026
Open source capture What the story claims, and what we checked
What we compared with the page.
- The figure: two hoursChecked
Printed word for word on the page, near the name of Pantheon.
- The passage quoted aboveChecked
Copied word for word from the page, near the name of Pantheon.
- The publication dateChecked
Read from the page’s own metadata, never guessed.
- Pantheon uses CircleCIChecked
Confirmed line.
- The result itselfNot checked
We quote it; we did not measure it.
Pantheon engineers have reduced Drupal testing times from as long as eight hours to just two hours.