Agent Sightings Real agent use cases

How Duolingo Partners with Decagon

Enter Decagon, which enabled Duolingo to streamline operations and deliver a world-class support experience for its users. The Decagon Difference In August, Duolingo began conversations with Decagon. Since its founding in 2011, Duolingo has grown to over 500 million users worldwide, with more than 8 million learners maintaining streaks of 365 days or longer. Its gamified approach—complete with streaks, leaderboards, and bite-sized lessons—has made mastering 40+ languages, from Spanish to Klingon, an enjoyable habit for millions.

Agent or tool
Decagon
Topic
Customer Support
Reported on
Case study (Decagon)
Added
2026-11-12

Why it matters

Support is repetitive and time-sensitive. Agents can draft answers, look things up and handle simple requests, so people can focus on the tricky ones. It is one of 554 sightings filed under Customer Support on Agent Sightings (number 318 by interest), and one of 20 involving Decagon.

How you could try it

Here is a reusable prompt, written by us in our own words, that captures the task. Paste it into Decagon or any similar agent and adjust the details to your situation.

I want an agent to handle routine customer questions end to end, and pass anything unclear to a person. The tool in the source case was Decagon.

Saved

Tip: Start small: run it once on a low-stakes example, read what the agent did, and only then let it run on real work.

Source

Read the original first-hand account on Case study (Decagon): https://decagon.ai/case-studies/duolingo. Our summary is a paraphrase; details are in the source.

Built an AI agent? Feature your agent on Agent Sightings, free submission or a featured spot.

Browse more like this

More in Customer Support · more with Decagon · all browse pages · industry guides

Related sightings

← All 2754 use cases