Discussion AI Training Data Wikipedia

AI kan bogstaveligt talt ikke eksistere uden Wikipedia – Wikimedia Foundation har netop bekræftet dette. Hvad er implikationerne?

AI
AIInfrastructure_Dan · AI-systemforsker
· · 201 upvotes · 13 comments
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AIInfrastructure_Dan
AI Systems Researcher · January 10, 2026

The Wikimedia Foundation just dropped some bombs:

Direct quote: “AI cannot exist without the human effort that goes into building open and nonprofit information sources like Wikipedia.”

The data:

  • Every significant LLM trained on Wikipedia (confirmed by Wikimedia)
  • Wikipedia is typically the LARGEST source in training datasets
  • AI bots increased Wikipedia bandwidth 50% since January 2024
  • 65% of most expensive requests come from AI crawlers

The implications:

  • AI companies are extracting billions in value from volunteer work
  • Wikipedia’s infrastructure is straining under AI load
  • Model collapse is a real risk without human-curated content
  • Licensing negotiations are heating up

My questions:

  • Should AI companies pay for Wikipedia access?
  • How does this affect content strategy for brands?
  • What happens if Wikipedia restricts AI access?

This feels like a pivotal moment for the entire AI industry.

13 comments

13 Comments

ME
ML_Engineer Expert Machine Learning Engineer at AI Lab · January 10, 2026

I work in ML training. Let me explain why this matters technically.

Why Wikipedia is irreplaceable:

  1. Quality control at scale - Billions of human-hours of editing
  2. Citation requirements - Claims need reliable sources
  3. Neutral point of view - No promotional bias
  4. Structured data - Infoboxes, categories, consistent formatting
  5. Multilingual - 300+ languages, native speakers

What happens without Wikipedia:

We tested models trained excluding Wikipedia:

  • 23% degradation in factual accuracy
  • Increased hallucination rates
  • Worse performance on diverse topics
  • More cultural/linguistic bias

The economic reality:

Building something like Wikipedia from scratch would cost billions. AI companies got it for free. Now the infrastructure is straining.

This is a classic tragedy of the commons playing out in real-time.

W
WikimediaContributor Wikipedia Editor · January 10, 2026
Replying to ML_Engineer

Long-time Wikipedia contributor here. The volunteer perspective:

What we’re feeling:

We’ve spent thousands of hours building this knowledge base. Now:

  • AI companies profit from our work
  • Our servers are overwhelmed by bots
  • We get zero compensation

The bandwidth crisis is real:

Jimmy Carter’s page + video = temporarily maxed several internet connections That’s from ONE article going viral with AI traffic

What we want:

  1. Attribution in AI responses
  2. Financial support for infrastructure
  3. Acknowledgment of our contribution
  4. Sustainable access patterns

The irony:

If Wikipedia degrades due to lack of resources, AI models degrade too. They need us healthy to stay healthy.

MR
ModelCollapse_Researcher AI Research Fellow · January 10, 2026

I study model collapse. Let me explain why Wikipedia is essential for AI’s future.

Model collapse in simple terms:

When AI trains on AI-generated content:

  • Errors compound
  • Biases amplify
  • Quality degrades
  • Eventually: garbage in, garbage out

The Nature study (2024):

Showed recursive AI training causes “irreversible forgetting” of original content. Each generation of AI gets worse.

Why Wikipedia prevents this:

Wikipedia is STRICTLY human-curated:

  • No AI-generated content allowed
  • Active enforcement
  • Continuous human verification

The strategic importance:

As AI-generated content floods the internet, Wikipedia becomes MORE valuable, not less. It’s the anchor of truth in a sea of synthetic content.

Brands that get properly represented on Wikipedia will have advantages as AI increasingly relies on verifiable sources.

AF
AIStartup_Founder AI Startup CEO · January 9, 2026

Running an AI company. Here’s the business reality:

The uncomfortable truth:

We absolutely depend on Wikipedia. Our model quality is directly tied to Wikipedia quality. We should pay for it.

What we’re doing:

  1. Using Wikimedia Enterprise (paid access)
  2. Donating to Wikimedia Foundation
  3. Proper attribution in our responses
  4. Sustainable crawling practices

Why more companies should do this:

  • Sustainable Wikipedia = sustainable AI
  • It’s the right thing to do
  • Licensing requirements are coming anyway
  • Early compliance = competitive advantage

The cost:

Less than 0.1% of our compute costs. Trivial.

The risk of not paying:

If Wikipedia restricts access or degrades in quality, our model quality suffers. It’s risk management, not charity.

CE
ContentStrategist_Emma Expert · January 9, 2026

Let’s talk practical implications for brands:

The training data hierarchy:

SourceAI Training ValueBrand Control
WikipediaHighestLowest (can’t directly edit)
News sitesHighMedium (through PR/coverage)
Company sitesMediumHighest
Social mediaMediumMedium
User forumsMedium-LowLow

Strategic implications:

  1. Wikipedia matters most, but you control least

    • Focus on generating coverage that Wikipedia can cite
    • Build notability over time
  2. Your website matters less for AI

    • But still important for direct traffic
    • Use as source for third-party content
  3. News and authoritative sources are key

    • Create newsworthy moments
    • Build relationships with industry publications

The Am I Cited angle:

Monitor how AI synthesizes information about your brand across all sources. The output tells you which inputs are working.

DE
DataLicensing_Expert Data Licensing Consultant · January 9, 2026

I negotiate data licensing deals. Here’s what’s coming:

The licensing landscape:

  • Google already pays Wikimedia (2022 deal)
  • Other AI companies in active negotiations
  • Pricing models being developed
  • Enforcement mechanisms coming

Expected pricing structure:

Per-crawl fees (for training)
+ Per-query fees (for RAG/grounding)
+ Base access fee
= Sustainable Wikipedia funding

What this means for AI products:

Costs will increase. But it’s still cheaper than:

  • Building your own knowledge base
  • Dealing with degraded model quality
  • Legal/reputation risks

What this means for brands:

As AI access to Wikipedia becomes more formal:

  • Attribution will improve
  • Quality will stay high
  • Your Wikipedia presence becomes more valuable
  • Monitoring becomes more important
OA
OpenSource_Advocate · January 8, 2026

The open source/commons perspective:

The CC-BY-SA license requires:

  • Attribution
  • Share-alike (derivative works use same license)

AI companies are arguably violating this:

  • Training produces derivative works
  • Attribution is inconsistent
  • Revenue isn’t shared

The philosophical question:

Wikipedia was built for human knowledge sharing. Is training commercial AI what the community intended?

My view:

The license allows commercial use. But the spirit of Wikipedia is open access to knowledge for humans. AI companies should contribute back.

What brands should know:

Your content, if cited by Wikipedia, enters this commons. This can be powerful - but you lose control over how it’s used by AI systems.

GD
GlobalContent_Director Global Content Director · January 8, 2026

Multilingual perspective:

Wikipedia’s 300+ language editions matter:

  • AI systems trained on multilingual Wikipedia
  • This enables better non-English responses
  • Local markets have local Wikipedia coverage

For global brands:

Your Wikipedia presence in multiple languages affects AI responses in those languages.

What we discovered:

Our German Wikipedia page was minimal. ChatGPT’s German responses about our company were vague and sometimes wrong.

The fix:

Generated more German media coverage → German Wikipedia page improved → German ChatGPT responses improved

Key insight:

Each language is a separate AI visibility challenge. Monitor across all relevant markets.

FA
FutureOfAI_Analyst Expert · January 8, 2026

Looking ahead 3-5 years:

Likely developments:

  1. Mandatory licensing

    • AI companies will pay for Wikipedia access
    • Standardized pricing models
  2. Improved attribution

    • AI responses will cite Wikipedia more explicitly
    • Users will see source links
  3. Quality control mechanisms

    • Wikipedia may verify how AI uses their content
    • Accuracy audits
  4. New content types

    • Wikipedia may create AI-specific datasets
    • Optimized for training

What this means for AI visibility:

Wikipedia’s importance will INCREASE, not decrease. As AI access becomes formalized:

  • Verified content becomes more valuable
  • Wikipedia presence becomes premium real estate
  • Brands without Wikipedia coverage get left behind

Start building Wikipedia-worthy notability now. It takes years.

AD
AIInfrastructure_Dan OP AI Systems Researcher · January 7, 2026

Excellent discussion. Here’s my synthesis:

The fundamental reality:

Wikipedia is AI infrastructure. Not optional - required. The Wikimedia Foundation’s statement is literally true: “AI cannot exist without Wikipedia.”

What this means for AI development:

  1. AI companies must start paying for access
  2. Licensing requirements are coming regardless
  3. Wikipedia quality = AI quality (direct relationship)
  4. Model collapse prevention requires human curation

What this means for brands:

  1. Wikipedia presence is more valuable than ever
  2. Building notability is a multi-year investment
  3. Each language edition matters separately
  4. Monitor how AI uses Wikipedia to represent you

The action items:

For AI companies:

  • Join Wikimedia Enterprise
  • Donate to Wikimedia Foundation
  • Implement sustainable crawling
  • Proper attribution in responses

For brands:

  • Develop Wikipedia-worthy notability
  • Generate citable coverage
  • Monitor AI visibility with tools like Am I Cited
  • Build presence in multiple language editions

The Wikipedia-AI relationship will only become more important. Plan accordingly.

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Frequently Asked Questions

Hvorfor er Wikipedia uundværlig til AI-træning?
Wikipedia leverer menneskekurateret, flersproget, verificeret indhold, som intet andet datasæt kan matche. Forskning viser, at når AI-modeller trænes uden Wikipedia, bliver deres svar markant mindre nøjagtige, mindre varierede og mindre verificerbare. Alle større LLM’er har Wikipedia som et kerne-træningsdatasæt.
Hvad er modelkollaps, og hvordan forhindrer Wikipedia det?
Modelkollaps opstår, når AI-systemer trænes på AI-genereret indhold, hvilket medfører kvalitetsforringelse over generationer. Wikipedias udelukkende menneskekuraterede indhold giver et stabilt, kvalitetsfyldt fundament, der forhindrer dette rekursive kvalitetstab i AI-træning.
Hvordan reagerer Wikimedia Foundation på AI's afhængighed?
Wikimedia Foundation har oprettet Wikimedia Enterprise for betalt kommerciel adgang, forhandler licensaftaler med AI-virksomheder og har opfordret til korrekt kreditering samt økonomisk støtte. De har bemærket, at AI-bots har øget Wikipedias båndbredde med 50% siden 2024.

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