The company's strategy relies on creating the 'world's largest learning dataset' from user activity. This massive data volume powers high-volume A/B testing and AI systems, indicating significant and ongoing investment in data analytics infrastructure.
Filing excerpt
Our millions of learners complete nearly 2 billion exercises every day, creating what we believe to be the world's largest learning dataset. This data powers the high volume A/B testing and AI-driven systems that we use to continually improve how well we teach.
What this signalsFilings often name leadership changes, deals and spending plans.
Technologies
sec-10kdataInvestmentGet every 10-K signal for Duolingo and the companies you sell to, in the tools you already use.
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This page shows a preview. The full sec-10k record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.
Company
linkedin_urlValue in the APIindustriesValue in the APIemployee_count_lowValue in the APIemployee_count_highValue in the APIrevenueValue in the APIdescriptionValue in the APISignal
signal_nameValue in the APIassociationValue in the APIGET /v1/signals/ddecb0d7-f677-410b-a928-703d8a9ad130 returns this record as JSON. POST /v1/companies/enrich returns every signal for duolingo.com.
{
"signal_id": "ddecb0d7-f677-410b-a928-703d8a9ad130",
"signal_type": "sec-10k",
"signal_subtype": "dataInvestment",
"detected_at": "2026-03-03T06:11:06.935+00:00",
"company": {
"name": "Duolingo",
"domain": "duolingo.com"
},
"data": {
"detail": "The company's strategy relies on creating the 'world's largest learning dataset' from user activity. This massive data volume powers high-volume A/B testing and AI systems, indicating significant and ongoing investment in data analytics infrastructure.",
"summary": "Processing nearly 2 billion daily exercises to power data analytics and AI systems",
"excerpts": "Our millions of learners complete nearly 2 billion exercises every day, creating what we believe to be the world's largest learning dataset. This data powers the high volume A/B testing and AI-driven systems that we use to continually improve how well we teach.",
"relevance": 0.8,
"sentiment": "positive",
"confidence": "high",
"source_url": "https://www.sec.gov/Archives/edgar/data/1562088/000162828026012494/duol-20251231.htm",
"filing_date": "2026-02-26",
"filing_year": 2026,
"fiscal_year_end": "12/31",
"sales_relevance": "Target for data vendors",
"signal_category": "technology",
"technologies_mentioned": [
"data analytics",
"AI"
]
}
}
curl https://signals.autobound.ai/v1/signals/ddecb0d7-f677-410b-a928-703d8a9ad130 \
-H "X-API-KEY: $AUTOBOUND_API_KEY"curl -X POST https://signals.autobound.ai/v1/companies/enrich \
-H "X-API-KEY: $AUTOBOUND_API_KEY" \
-H "Content-Type: application/json" \
-d '{"domain":"duolingo.com","limit":20}'Long text fields are shortened on this page.
Looking up one signal by its id is free. Enrich costs 2 credits per signal returned; a call with no results is free.