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Ad Fontes Media Bias Chart

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adfontesmedia.com·adfontesmedia.com/

Tangentially relevant to AI safety as a resource for evaluating information source quality, which matters for training data curation, mitigating misinformation, and assessing the reliability of sources cited in AI-generated content.

Metadata

Importance: 22/100tool pagetool

Summary

Ad Fontes Media provides a systematic, analyst-driven evaluation of news sources along two dimensions: political bias (left to right) and reliability/quality. The Media Bias Chart is widely used by educators, businesses, and consumers to assess the credibility of news outlets and navigate media polarization.

Key Points

  • Rates news sources on a two-axis chart measuring political bias (left-center-right) and reliability/quality of reporting
  • Uses trained analysts to score individual articles rather than relying solely on outlet-level reputation
  • Offers interactive tools, datasets, and API access for integration into media literacy and content moderation workflows
  • Relevant to AI safety discussions around training data quality, information provenance, and mitigating bias in LLM pretraining corpora
  • Used by educators and organizations to promote media literacy and critical evaluation of information sources

Review

Ad Fontes Media addresses the critical challenge of media bias and information reliability by developing a sophisticated rating system that analyzes news sources across two key dimensions: reliability and political bias. Their methodology involves a diverse team of analysts from different political backgrounds who systematically evaluate media content, ensuring a balanced and rigorous assessment. The Media Bias Chart serves as a crucial tool for media literacy, providing actionable insights for various stakeholders including advertisers, educators, and individual news consumers. By visualizing news sources on a two-axis grid, the chart helps users understand the potential slant and trustworthiness of different media outlets, ultimately promoting more informed media consumption and supporting a healthier information ecosystem.

Cited by 1 page

PageTypeQuality
AI-Assisted Rhetoric HighlightingApproach45.0

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Home | Ad Fontes Media 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 

 
 
 
 
 

 
 
 
 

 
 
 
 
 
 

 

 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 
 


 

 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
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 Know the Reliability and Bias of the News

 
 
 
 
 Home of the

 
 
 
 
 Media Bias Chart ® 

 
 
 
 
 
 
 
 
 Actionable data for advertisers, publishers, and tech platforms 
 

 
 
 
 Media literacy tools for educators and individuals 
 

 
 
 
 
 
 
 
 
 
 
 Go to Interactive Media Bias Chart 
 
 
 
 
 
 
 
 
 
 
 
 
 Sign up for our free email list 
 
 
 
 
 
 
 
 
 
 
 
 
 Contact our sales department 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 Navigate the News Landscape with Confidence

 
 
 
 
 In a biased and misleading news landscape, it’s essential to know where your information is coming from. That’s why we founded Ad Fontes Media: to help you navigate and know your news sources — in one place. 
 
 
 
 Our analysts come from a wide political spectrum and follow a careful, robust methodology to rate the news. Whether you’re a business, individual consumer, educator, or running a social media platform, you can use Ad Fontes Media to make better decisions. 
 
 
 
 
 
 
 
 
 Learn More 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 Our Enterprise Customers and Partners

 
 
 
 
 We work with some of the most influential companies in the information ecosystem. Meet our partners. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 Our Community

 
 
 
 
 Members of our community, whom we affectionately call “News Nerds,” play a critical role in supporting our work and making sure it has an impact in the world. When you become an annual News Nerd member, you get a merchandise pack with a Media Bias Chart wall poster and a coffee mug, in addition to several other benefits, including:   -Premium access to our Interactive Media Bias Chart -Rating requests -Discounts on additional merchandise 
 
 
 
 
 
 
 Join us! 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 Differentiate news sources to make the best decisions

 
 Ad Fontes Media helps businesses, consumers, educators, and platforms navigate today’s complex and dynamic news landscape. We provide data, tools, and educational resources for all stakeholders in quality news media. 
 
 Explore all Services 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 

 
 
 Brands, Agencies, and Platf

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