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Brainly vs Duolingo

Side-by-side on valuation, funding, investors, founders & more

Comparison updated: April 2026

Duolingo is valued at $5.2B — more than 3x Brainly's N/A.

Head-to-Head Verdict

Duolingo leads on 3 of 4 metrics

Brainly

1 win

-Funding
-Awaira Score
-Team Size
+Experience

Duolingo

3 wins

+Funding
+Awaira Score
+Team Size
-Experience

Key Numbers

Valuation
N/A
$5.2B
Total Funding
$165M
$183.3M
Awaira Score
62/100
92/100
Employees
300
850
Founded
2009
2011
Stage
Series D
Public
BrainlyDuolingo
Brainly logo
Brainly

🇵🇱 Poland · Michal Borkowski

Series DAI EducationEst. 2009

Valuation

N/A

Total Funding

$165M

Awaira Score62/100

300 employees

Full Brainly Profile →
Winner
Duolingo logo
Duolingo

🇺🇸 United States · Luis von Ahn

PublicAI EducationEst. 2011

Valuation

$5.2B

Total Funding

$183.3M

Awaira Score92/100

850 employees

Full Duolingo Profile →
Market Context

As AI Education players, Brainly and Duolingo target overlapping customers despite operating from different countries. The stage gap — Brainly at Series D vs Duolingo at Public — shapes how each company allocates capital and talent.

🔬

Analyst Summary

Built from real data · Updated April 2026

Companies

Brainly and Duolingo both operate in AI Education, though their strategies diverge significantly. Brainly is a Polish AI-powered educational platform founded in 2009 that employs artificial intelligence and community collaboration to provide academic support. Duolingo is a language-learning platform founded in 2011 that uses gamification and adaptive AI to teach over 40 languages to millions of users globally.

Funding & Valuation

Duolingo carries a disclosed valuation of $5.2B, while Brainly remains privately valued. In aggregate funding, Duolingo edges ahead at $183.3M versus Brainly's $165M.

Growth Stage

The founding gap is narrow: Brainly in 2009 versus Duolingo in 2011. Stage-wise, Brainly is classified as Series D and Duolingo as Public, reflecting divergent fundraising histories. Headcount tells a story too: Brainly has 300 employees and Duolingo has 850.

Geography & Outlook

Based in 🇵🇱 Poland and 🇺🇸 United States respectively, Brainly and Duolingo tap into different talent markets and regulatory environments. On Awaira's 0-100 scale, Duolingo leads decisively at 92 compared to Brainly's 62. Brainly, led by Michal Borkowski, and Duolingo, led by Luis von Ahn, each bring distinct leadership visions to the AI sector.

Funding Velocity

Brainly

Total Rounds4
Avg. Round Size$28.5M
Funding Span8 yrs

Duolingo

Total Rounds6
Avg. Round Size$21.7M
Funding Span9.8 yrs

Funding History

Brainly has completed 4 funding rounds, while Duolingo has gone through 6. Brainly's most recent round was a Series D of $80M, compared to Duolingo's IPO. Brainly is at Series D while Duolingo is at Public — different points in their growth trajectory.

Team & Scale

Duolingo has the bigger team at roughly 850 people — 3x the size of Brainly's 300. They're close in age — Brainly started in 2009 and Duolingo in 2011. Geographically, they're in different markets — Brainly operates out of Poland and Duolingo from United States.

Metrics Comparison

MetricBrainlyDuolingo
💰Valuation
N/A
$5.2B
📈Total Funding
$165M
$183.3MWINS
📅Founded
2009
2011WINS
🚀Stage
Series D
Public
👥Employees
300
850
🌍Country
Poland
United States
🏷️Category
AI Education
AI Education
Awaira Score
62
92WINS

Key Differences

📈

Funding gap: Duolingo has raised $18.3M more ($183.3M vs $165M)

📅

Market experience: Brainly has 2 years more (founded 2009 vs 2011)

🚀

Growth stage: Brainly is at Series D vs Duolingo at Public

👥

Team size: Brainly has 300 employees vs Duolingo's 850

🌍

Market base: 🇵🇱 Brainly (Poland) vs 🇺🇸 Duolingo (United States)

⚔️

Direct competitors: Both operate in the AI Education market segment

Awaira Score: Duolingo scores 92/100 vs Brainly's 62/100

Which Should You Choose?

Use these signals to make the right call

Brainly logo

Choose Brainly if…

  • More market experience — founded in 2009
  • Poland-based for regional compliance or proximity
  • Brainly is a Polish AI-powered educational platform founded in 2009 that employs artificial intelligence and community collaboration to provide academic support
Duolingo logo

Choose Duolingo if…

Top Pick
  • Higher Awaira Score — 92/100 vs 62/100
  • More established by valuation ($5.2B)
  • Stronger investor backing — raised $183.3M
  • United States-based for regional compliance or proximity
  • Duolingo is a language-learning platform founded in 2011 that uses gamification and adaptive AI to teach over 40 languages to millions of users globally

Funding History

Brainly raised $165M across 4 rounds. Duolingo raised $183.3M across 6 rounds.

Brainly

Series D

Dec 2020

Lead: Naspers

$80M

Series C

Jan 2015

$15M

Series A

Oct 2014

$9M

Series B

Jan 2013

Lead: Posts Holdings

$10M

Duolingo

IPO

Jul 2021

Series E

Jul 2017

Lead: Founders Fund

$25M

Series D

Jun 2015

$45M

Series C

Jan 2014

$20M

Series B

Sep 2012

Lead: Kleiner Perkins

$15M

Series A

Oct 2011

Lead: Sequoia Capital

$3.3M

Investor Comparison

No shared investors detected between these two companies.

Unique to Brainly

NaspersHorizon CapitalPosts Holdings

Unique to Duolingo

Founders FundGoogle VenturesKleiner PerkinsSequoia Capital

Users Also Compare

FAQ — Brainly vs Duolingo

Is Brainly bigger than Duolingo?
Duolingo has a disclosed valuation of $5.2B, while Brainly's valuation is not publicly available, making a direct size comparison difficult. Duolingo employs 850 people.
Which company raised more funding — Brainly or Duolingo?
Duolingo has raised more in total funding at $183.3M, compared to Brainly's $165M — a gap of $18.3M. Combined, the two companies have completed 10 known funding rounds.
Which company has a higher Awaira Score?
Duolingo leads with an Awaira Score of 92/100, while Brainly sits at 62/100. That 30-point gap reflects real differences in funding, scale, and traction — it's not a vanity metric.
Who founded Brainly vs Duolingo?
Brainly was founded by Michal Borkowski in 2009. Duolingo was founded by Luis von Ahn in 2011. Visit each company's profile on Awaira for a full founder biography.
What does Brainly do vs Duolingo?
Brainly: Brainly is a Polish AI-powered educational platform founded in 2009 that employs artificial intelligence and community collaboration to provide academic support. The platform enables students to ask questions across subjects and receive answers from a global community of peers and educators, with AI systems helping verify answer quality and relevance. Brainly's core service centers on homework help, test preparation, and subject-specific learning across mathematics, science, languages, and humanities. The company has raised $165M in total funding through Series D stage financing, with valuation not disclosed. The platform operates globally, serving millions of monthly active users across multiple countries and languages. Brainly's technology integrates machine learning to personalize learning experiences, detect spam or inappropriate content, and recommend relevant answers. The platform monetizes through premium subscriptions offering ad-free access, detailed explanations, and priority response features. Competitively, Brainly positions itself within the AI education market alongside platforms like Chegg and traditional tutoring services. The company has achieved significant scale in emerging markets and developed nations. Growth trajectory indicators include expanding user base, geographic expansion, and increasing integration of advanced AI capabilities into its core offering. Brainly combines peer-to-peer learning with AI verification systems to create a scalable, community-driven alternative to traditional tutoring. Duolingo: Duolingo is a language-learning platform founded in 2011 that uses gamification and adaptive AI to teach over 40 languages to millions of users globally. The company's core product is a mobile and web application that breaks language instruction into bite-sized lessons, typically five to ten minutes long, combining vocabulary, grammar, listening, and speaking exercises. Duolingo's AI-powered algorithm personalizes learning paths based on user performance, adjusting difficulty and content recommendations in real-time. The platform employs spaced repetition and reinforcement learning techniques to optimize retention. The company monetizes through a freemium model, offering free basic access with ads and a premium subscription (Duolingo Plus) for ad-free learning and offline access. As of 2024, Duolingo is a publicly traded company with a $5.2 billion valuation and has accumulated $183 million in total funding. The platform serves over 500 million users worldwide, with particular strength in younger demographics and developing markets. Duolingo competes with established players like Rosetta Stone and Babbel, though its gamified approach and mobile-first design have captured significant market share. The company has expanded beyond language learning, introducing math and music offerings. Revenue growth has been substantial, with the company achieving adjusted EBITDA profitability before its 2021 IPO, though it reported net losses on a GAAP basis, demonstrating strong unit economics and user retention metrics. Duolingo's integration of behavioral psychology through gamification and AI-driven personalization has made language learning accessible and habit-forming at massive scale.
Which company was founded first?
Brainly got there first, launching in 2009 — that's 2 years of extra runway. Duolingo didn't arrive until 2011. In AI, that kind of head start means more training data, deeper customer relationships, and a bigger talent moat.
Which company has more employees?
Brainly has about 300 employees; Duolingo has about 850. A bigger team usually means more revenue or heavier VC backing, but in AI, small teams can build at massive scale.
Are Brainly and Duolingo competitors?
Yes — they're direct rivals. Both Brainly and Duolingo compete in AI Education, targeting many of the same buyers. If you're evaluating one, you should be looking at the other.

Bottom Line

Duolingo has a clear lead here — Awaira Score of 92 vs Brainly's 62. The difference comes down to funding depth and team scale.

Who Should You Watch?

Duolingo is in the stronger position — better score and deeper pockets. But Brainly has room to surprise, especially if they land a marquee investor. Follow both profiles on Awaira to track funding rounds, team changes, and score updates.

Deep Dive