Darsel
Darsel is a US-based nonprofit that delivers an AI-personalized K-12 math chatbot via WhatsApp, Facebook Messenger, and SMS to students in low-resource settings, reaching 400,000+ students across 3 countries through school-system partnerships and donation-funded operations.
- Company typePrivate
- Founded2020
- HeadquartersStanford, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What Darsel does
Darsel is a US-based, donation-funded education technology nonprofit that delivers a personalized K-12 math learning chatbot over low-bandwidth messaging platforms — WhatsApp, Facebook Messenger, and SMS — to reach students who lack reliable access to video-based educational tools. Founded in 2020 out of research at Harvard and Stanford, the company positions itself against a stated addressable market of 1 billion students constrained by device and internet limitations, with documented reach of 400,000+ students across 3 countries and 440,000,000+ math questions solved to date. The product architecture pairs an NLP conversational interface with a recommendation engine that adapts question difficulty and provides tailored hints to close individual learning gaps, supported by a library of 500,000+ curriculum-aligned questions available in local languages and a teacher dashboard offering automatic grading and progress analytics.
The business model is freemium in form but non-commercial in substance: the service is free to students and teachers, with funding sourced from philanthropic grants, donations via every.org, and impact-award capital — including a $500,000 Y Combinator round in 2022, Draper Richards Kaplan Foundation support in 2025, and a shared WISE Prize for Education at the WISE 12 Summit in Doha in November 2025. Go-to-market runs through two parallel motions: product-led growth via self-serve messaging-app onboarding, and channel partnerships with governments and school systems — most visibly through a Nigeria WhatsApp pilot — that deploy Darsel as a supplemental classroom tool at national scale. Headcount is reported at 11–50 employees, indicating a lean operating model that leverages the automated chatbot to serve a large student base with minimal direct labor cost per user.
The customer base is structurally diversified across hundreds of thousands of individual students, but the revenue base is correspondingly dependent on the cadence and scale of philanthropic funding and impact awards rather than recurring commercial contracts. Geographic expansion is the principal growth axis, anchored by the partnership-led entry into new country education systems and supported by recent institutional validation from globally recognized education funders.
Darsel firmographics
Firmographics- Name
- Darsel
- Legal name
- Darsel
- Website
- https://darsel.tech
- Company type
- Private
- Founded year
- 2020
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Darsel is a US-based nonprofit that delivers an AI-personalized K-12 math chatbot via WhatsApp, Facebook Messenger, and SMS to students in low-resource settings, reaching 400,000+ students across 3 countries through school-system partnerships and donation-funded operations.
- Ownership category
- akta.pro rank
Darsel industry classification
Industry- Product category
- K-12 Educational Technology (AI Tutoring)
- NAICS
- Exam Preparation and Tutoring (611691), Educational Support Services (611710), Educational Support Services (61171)
- akta.pro primary industry
- AI/ML Learning Platforms for Students (EDAFANAE)
- akta.pro secondary industries
- Adaptive Learning & Personalized Instruction Software (EDAJAMAE), Math & STEM Learning Technology (incl. Coding/Robotics Platforms) (EDAJAMAG), AI Tutoring Systems (Conversational Tutors, Homework Helpers) (EDAFAFAC)
Keywords
Where Darsel is headquartered
LocationHeadquarters
- HQ city
- Stanford
- HQ country
- United States
- HQ region
- North America
Markets served
Darsel business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Operations, Marketing or Sales, Supply Chain
Revenue model
- Donations and Grants: Darsel is an education technology nonprofit that operates on donations. The website features a 'Donate' button linking to every.org/darsel, suggesting charitable funding model rather than commercial revenue.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Pay-as-you-go | Free access for all users |
Go-to-market motion2 records
Distribution channels4 records
Marketing channels2 records
Darsel product offering
Product offeringCore offering
Darsel provides an AI-powered personalized math learning chatbot for K-12 students, delivered via low-bandwidth messaging channels (WhatsApp, Facebook Messenger, SMS) without requiring app downloads or internet connectivity. The platform features an adaptive learning algorithm, over 500,000 curriculum-aligned math questions in local languages, automatic homework grading, and a teacher dashboard with classroom-level analytics.
Product overview
Darsel is an education technology nonprofit offering a single unified product: an AI-powered personalized learning chatbot for K-12 math education. The platform delivers interactive, curriculum-aligned math instruction via accessible messaging channels (WhatsApp, Facebook Messenger, SMS), reaching students in low-resource settings. It includes a teacher dashboard with data reports on student skills and performance, and a library of over 500,000 unique questions, hints, and explanations available in local languages.
Differentiator
Problem solved
Functional benefit
Products and services
- Darsel AI Math Tutoring Chatbot An AI-powered personalized math learning chatbot for K-12 students, delivered via WhatsApp, Facebook Messenger, and SMS without requiring app downloads, passwords, or high-bandwidth internet. It adapts to each student's level with an automated algorithm, offers a library of over 500,000 curriculum-aligned questions, hints, and explanations in local languages, and includes a teacher dashboard with automatic homework grading and classroom-level analytics.
Quantifiable outcome
- 400,000+ students served across 3 countries
- +2 more outcomes
Companies that use Darsel
Customer profileNamed customers1 record
Segments3 records
Ideal customer profiles2 records
Darsel technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration3 records
AI capability3 records
Feature4 records
Darsel partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Governments and School SystemscoreDarsel partners with governments and school systems to reach students. Teachers access reports and provide continuous motivation and support to students, who use Darsel from home. This B2B partnership model allows scale deployment across education systems.
Scale indicators5 records
Recent moves6 records
Expansion highlights5 records
Darsel competitors and assessment
Company assessmentBroad incumbents
- ClassDojo: ClassDojo is a free communication and classroom management platform used widely in K-12 schools globally. It is comparable as a free, school-system-distributed education platform, though its focus is on classroom/community engagement rather than AI tutoring.
- Quizlet: Quizlet offers free AI-powered study tools (including Q-Chat tutor) widely used by K-12 students. It is comparable as a free, AI-augmented learning tool targeting student self-study, though it is not focused on under-resourced settings or low-bandwidth delivery.
- Khan Academy (Khanmigo): Khan Academy is a free, mission-driven educational platform with global reach and an AI tutor (Khanmigo). It is comparable as a free AI-augmented learning provider targeting under-resourced learners, though it offers multi-subject content and web/app delivery rather than messaging-first.
Direct peers
- Squirrel AI: Squirrel AI provides AI-powered adaptive tutoring, with a strong focus on mathematics, for K-12 students through school partnerships. It is comparable to Darsel as an AI-driven personalized math tutor operating at scale, though its distribution model is more app/web-centric.
- Ubongo: Ubongo distributes localized educational animations and interactive content to African children via TV, SMS, and mobile platforms. It shares Darsel's mission of reaching under-served learners through low-bandwidth, low-cost channels and partners with governments across the continent.
- Rumie Initiative: Rumie (formerly Rumie Initiative) distributes low-cost tablets preloaded with educational content for under-connected learners in low-resource settings. It is comparable to Darsel as a mission-driven nonprofit tackling the same '1 billion under-connected students' market with low-bandwidth delivery.
- M-Shule: M-Shule delivers adaptive math and literacy instruction via SMS to primary school students in Kenya and other African markets. It competes head-to-head with Darsel on SMS-based adaptive tutoring for low-resource K-12 learners.
- Carnegie Learning (MATHia): Carnegie Learning's MATHia is an AI-powered adaptive math tutoring system used in K-12 schools. It is comparable to Darsel as a personalized AI math tutor delivering learning at school-system scale, though delivered through web/app rather than messaging platforms.
- Eneza Education: Eneza provides SMS and USSD-based educational content and tutoring to students across Africa, including mathematics. It is the closest direct competitor to Darsel, sharing the low-bandwidth messaging channel, African low-income user base, and supplemental K-12 tutoring positioning.
Emerging players
- Third Space Learning: Third Space Learning provides AI-assisted and human math tutoring to K-12 students, including in lower-income school contexts. It is comparable as an AI-driven math tutoring provider targeting school systems, though it relies on live tutors rather than messaging chatbots.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Darsel social profiles
Digital presenceDarsel financial estimates
Financial estimateRevenue estimate
Valuation estimate
Darsel leadership team
Management profileNumber of profiles
Profiles1 record
Darsel funding detail
Funding detailFunding overview
Funding rounds2 records
Investors2 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Darsel M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Darsel
What does Darsel do?
Darsel provides an AI-powered personalized math learning chatbot for K-12 students, delivered via low-bandwidth messaging channels (WhatsApp, Facebook Messenger, SMS) without requiring app downloads or internet connectivity. The platform features an adaptive learning algorithm, over 500,000 curriculum-aligned math questions in local languages, automatic homework grading, and a teacher dashboard with classroom-level analytics.
Is Darsel a public or private company?
Darsel is a private company. It is classified as nonprofit foundation owned and is currently operating.
When was Darsel founded?
Darsel was founded in 2020. It employs 11 to 50 people.
Where is Darsel based?
Darsel is headquartered in Stanford, United States, in the North America region.
How does Darsel make money?
One revenue line is on record: donations and Grants.
Who are Darsel's main competitors?
Broad incumbents on record are ClassDojo, Quizlet and Khan Academy (Khanmigo). Direct peers are Squirrel AI, Ubongo, Rumie Initiative, M-Shule, Carnegie Learning (MATHia) and Eneza Education. Third Space Learning is listed as an emerging player.
Does Darsel have an API?
No public API is recorded for Darsel.
What industry is Darsel in?
Darsel's product category is K-12 Educational Technology (AI Tutoring). Its primary akta.pro industry code is EDAFANAE, AI/ML Learning Platforms for Students, with a secondary code of EDAJAMAE, Adaptive Learning & Personalized Instruction Software. Its NAICS code is 611691.