Wikipedia

What Wikipedia does

Wikipedia is a non-profit, multilingual online encyclopedia launched in 2001 by Jimmy Wales and Larry Sanger, operated by the Wikimedia Foundation, a 501(c)(3) headquartered in San Francisco. The platform runs on MediaWiki, an open-source wiki engine, and serves over 7.1 million English-language articles alongside content in 300+ language editions, supported by a decentralized community of volunteer editors who follow a neutral point-of-view policy and source-based verification model. The Wikimedia ecosystem extends beyond the core encyclopedia to include sister projects such as Wikidata, Wikimedia Commons, Wiktionary, Wikibooks, Wikiversity, Wikivoyage, Wikiquote, Wikisource, Wikispecies, Wikifunctions, and Meta-Wiki, plus official Android and iOS mobile applications.

Wikipedia's primary users are global general-public readers seeking free, ad-free reference content, supported by a contributor base of volunteer editors and, increasingly, commercial AI companies that consume Wikipedia data. The revenue model is overwhelmingly donation-driven: the platform has run reader fundraising campaigns for nearly 25 years, suggesting small per-donor contributions (around $2.75) with less than 2% reader conversion. A secondary monetization layer is the Wikimedia Enterprise paid API, which provides structured, SLA-backed access for commercial and AI customers and represents an early B2B revenue stream. Distribution is entirely self-serve and web/app-based, with no traditional sales motion.

Recent strategic activity reflects both defensive and offensive positioning. In March 2026, volunteer editors adopted a formal policy banning LLM-generated article content; in February 2026 the English edition blacklisted Archive.today and removed over 695,000 links after a DDoS incident; and consumer-facing features such as a year-in-review recap and a daily history game were added to the mobile apps. Co-founder Larry Sanger was indefinitely banned from editing in June 2026 for canvassing violations. Wikipedia is also a primary training source for large language models and reports an 8% year-over-year decline in human page views, reflecting AI-mediated changes in how users access information.

Name

Wikipedia

Legal name

Wikimedia Foundation

Website

https://wikipedia.org

Company type

Private

Founded year

2001

Operating status

Operating

Headcount range

1–10 employees

Short description

Wikipedia is a non-profit, multilingual online encyclopedia operated by the Wikimedia Foundation, serving billions of readers globally with 7M+ English articles across 300+ languages, sustained by reader donations, volunteer editors, and a new paid API for AI customers.

Ownership category

akta.pro rank

Product category

Online Encyclopedia

NAICS

Libraries and Archives (51921), Web Search Portals, Libraries, Archives, and Other Information Services (5192), Software Publishers (5132)

SIC

Miscellaneous Publishing (2741), Services-Prepackaged Software (7372)

akta.pro primary industry

Knowledge Management & Wikis (BPAMAMAH)

akta.pro secondary industries

Libraries, Archives & Special Collections (BPAGAHAF), Developer & Open-Source Communities (MPACAJAK)

Keywords

• Online encyclopedia
• Collaborative knowledge base
• Free content platform
• Multilingual reference
• Structured knowledge data

Headquarters

HQ city

San Francisco

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Digital Commerce or Content

Cost components

Technology or R&D, Infrastructure, Personnel, Operations

Revenue model

1. Donations from readers: Wikipedia relies primarily on donations from its readers. The platform has run fundraising campaigns for nearly 25 years, asking readers to contribute small amounts ($2.75 suggested) to sustain operations.
2. Wikimedia Enterprise (paid API): Wikimedia Enterprise provides paid API access to Wikipedia content for commercial users, particularly AI companies that want structured, reliable access rather than scraping. This represents a new revenue stream to monetize content for AI training.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Wikipedia is a multilingual, wiki-based, openly edited, and collaboratively created universal free encyclopedia containing over 7.1 million English-language articles and content in 300+ languages, operated by the Wikimedia Foundation as a non-profit sustained by reader donations and volunteer editors. Its ecosystem extends across sister free-knowledge projects (Commons, Wikidata, Wiktionary, Wikibooks, Wikivoyage, Wikiversity, Wikiquote, Wikisource, Wikispecies, Wikifunctions, Meta-Wiki) and a paid Wikimedia Enterprise API for commercial and AI customers.

Product overview

Wikipedia operates as a unified platform of interconnected free-knowledge projects centered on its core encyclopedia product. The main Wikipedia platform (7.1M+ English articles in 300+ languages) is complemented by official mobile apps for Android and iOS that enable offline reading and cross-device sync. The ecosystem includes sister knowledge projects (Commons, Wikidata, Wiktionary, Wikibooks, Wikivoyage, Wikiversity, Wikiquote, Wikisource, Wikispecies, Wikifunctions, Meta-Wiki) that extend the platform's mission across media, structured data, dictionaries, textbooks, travel guides, learning resources, quotes, source texts, species data, and developer functions. The Wikimedia Enterprise API serves commercial AI and enterprise customers requiring structured access. Recent features include a daily historical facts game ('Which came first?') in the mobile apps and a year-in-review recap feature. Wikipedia is operated by the Wikimedia Foundation as a non-profit, ad-free service sustained by donations.

Differentiator

Problem solved

Functional benefit

Products and services

• Wikipedia (main encyclopedia) The Free Encyclopedia — a multilingual, wiki-based, openly edited, and collaboratively created universal knowledge base containing over 7.1 million English-language articles and content in 300+ languages, operated as a non-profit by the Wikimedia Foundation and sustained by donations and volunteer editors.
• Wikipedia Mobile Apps Official Wikipedia mobile applications for Android and iOS allowing users to read articles, save favorites for offline reading, sync reading lists across devices, and customize their reading experience. Available for download on the Google Play Store and Apple App Store.
• Wikimedia Commons A free media collection repository providing central storage for images, videos, sound files, and other media used across Wikimedia projects.
• Wikidata A free, linked, structured knowledge base that provides structured data used by Wikipedia and other Wikimedia projects, serving as a central source of facts for the Wikimedia ecosystem.
• MediaWiki Free and open-source wiki software that powers Wikipedia and other Wikimedia projects, available for organizations to download and run their own wiki sites.
• Wikifunctions A free function library that allows users to create and maintain code functions callable via API, forming part of the Wikimedia structured data infrastructure.
• Wikipedia Sister Sites (Wikivoyage, Wiktionary, Wikibooks, Wikiversity, Wikiquote, Wikisource, Wikispecies, Meta-Wiki) A collection of free-knowledge sister projects including Wikivoyage (travel guide), Wiktionary (dictionary), Wikibooks (textbooks), Wikiversity (learning resources), Wikiquote (quote compendium), Wikisource (content library), Wikispecies (species directory), and Meta-Wiki (community coordination and documentation).
• Wikimedia Enterprise API A paid commercial API service providing structured, high-volume access to Wikipedia content for AI companies, enterprises, and commercial use cases, with higher rate limits and service-level guarantees as an alternative to scraping.

Quantifiable outcome

• Wikipedia remains one of the primary training sources for large language models
• +1 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Wikimedia EnterprisecoreTechnology or IntegrationWikimedia Enterprise is an initiative by the Wikimedia Foundation to provide paid API access to Wikipedia content for commercial users, particularly AI companies. It offers structured data access, higher rate limits, and service-level guarantees for enterprise customers who want to use Wikipedia content without scraping.

Scale indicators6 records

Recent moves6 records

Expansion highlights4 records

Emerging players

• Grokipedia (xAI): AI-generated online encyclopedia launched by xAI in late 2025 with ~885K articles, explicitly positioned as a Wikipedia competitor using generative AI for content creation. Most directly comparable as a same-category, alternative-model reference product.
• Everipedia: Blockchain-based online encyclopedia that combines Wikipedia-style open editing with tokenized incentives. Competes for the same knowledge-base use case with a different governance and incentive model.

Direct peers

• Encyclopedia Britannica: The historic general-reference encyclopedia, now operating as a digital subscription product. Britannica competes for the same reference-research use case as Wikipedia but with expert-authored, paid content rather than volunteer/community-edited free content.
• Citizendium: A community-edited online encyclopedia project that, like Wikipedia, relies on volunteer contributors but uses real-name identities and expert oversight. Direct peer in the volunteer-online-encyclopedia category, though much smaller in scale.
• Stack Overflow: Volunteer-driven Q&A knowledge platform with similar community moderation, consensus-based governance, and reputation systems. Also a heavily-scraped LLM training source with comparable challenges around AI-driven traffic displacement.

Regional players

• Baidu Baike: The dominant Chinese-language online encyclopedia, paralleling Wikipedia's role in China. Comparable product (collaboratively edited encyclopedia) but primarily serves the Chinese-language market rather than directly competing with English Wikipedia.

Broad incumbents

• Reddit: Massive community-driven content platform whose subreddit-based, user-moderated content overlaps significantly with Wikipedia as a community-edited knowledge source. Comparable in community-led GTM, ad-free-for-content model, and use as an LLM training source.
• Quora: Community-driven question-and-answer knowledge platform that competes with Wikipedia for general knowledge-seeking use cases. Comparable business model of user-generated content monetized via ads and AI partnerships.
• Google Knowledge Graph / Google Search: Search engine and structured knowledge product whose AI Overviews and Knowledge Panels directly consume Wikipedia content. Comparable as a knowledge discovery layer and a major determinant of Wikipedia's traffic and AI-citation reach.

Others

• Internet Archive (Wayback Machine): Non-profit digital library preserving web pages, books, audio, and video. Comparable as a non-profit, donation-funded, open-knowledge infrastructure project with similar mission and governance challenges.

Market position

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/Wikipedia
• Facebookfacebook.com/wikipedia
• LinkedInlinkedin.com/company/wikipedia-the-free-encyclopedia

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries12 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Wikipedia