Duolingo achieves 5x ROI, saving 500+ hours monthly with Glean's AI-powered knowledge tools
Duolingo employees wasted time hunting for information scattered across Google Drive, Slack, Confluence, and Zendesk, and frequently had to ask colleagues or redo work that already existed elsewhere. An internally built search tool called Metasearch failed to solve it because it lacked advanced filtering and ranking.
Duolingo's internally built Metasearch tool lacked advanced filtering and ranking and could not deliver fast, reliable results, leaving teams still spending too much time searching.
With Glean, Duolingo saves 500+ hours every month — worth more than $1.1 million in yearly time savings — delivering a 5x return on investment from improved knowledge access.
Over 3,400 Glean agents were created in total.
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Frequently asked questions
What did this team achieve with this AI workflow?
With Glean, Duolingo saves 500+ hours every month — worth more than $1.1 million in yearly time savings — delivering a 5x return on investment from improved knowledge access.
What tools did this team use?
Glean, Glean Chat, Google Drive, Slack, Confluence, Zendesk.
What results were reported?
Yearly time savings: >$1.1M; ROI from time saved using Glean: 5x; Hours saved monthly: 500+ hours monthly; Glean agents created within 6 weeks of launch: 500 (source-reported, not independently verified).
What failed first in this deployment?
Duolingo's internally built Metasearch tool lacked advanced filtering and ranking and could not deliver fast, reliable results, leaving teams still spending too much time searching.
How is this back office ops AI workflow structured?
Employee seeks knowledge → Glean searches across tools → Glean Chat answers conversationally → Instant answer delivered → Duplicate work prevented.