LinkedIn has become the leading platform for AI-generated long-form content, according to a new study by AI detection company Pangram Labs. The research found that more than 40% of posts longer than 250 words on the professional networking platform were entirely generated by artificial intelligence.
The findings place LinkedIn ahead of every major social platform in terms of AI-written long-form content and highlight the growing role of generative AI in professional communication.
Pangram Labs examined over one million posts across LinkedIn, X, Reddit, Medium, and Substack. While it is true that just one-quarter of long-form posts across all platforms were considered fully AI-generated, LinkedIn had emerged as an outlier.
Although LinkedIn accounted for about one-third of the posts analyzed, 62% of the content identified as AI-generated came from the platform. Professionals are increasingly turning to AI to craft thought leadership posts, career tips, and business announcements.
The report found varying levels of AI adoption across competing platforms. X ranked second in fully AI-generated long-form content. However, when AI-assisted writing was included, nearly half of X's long-form posts showed some level of AI involvement.
The report comes ahead of new European Union AI disclosure requirements that will require greater transparency for AI-generated content distributed to EU users. Pangram Labs CEO Max Spero warns, “The unchecked growth of AI-generated content could erode trust across the internet. Transparency and disclosure will become increasingly important as AI writing tools become mainstream.”
LinkedIn claimed that it will always commit to having authentic conversations on the site. It will also take measures to reduce the amount of poor-quality automated content. The study reflects a growing trend within digital publishing.
With AI writing assistants being widely used in workplace communications, social media sites are under increasing pressure to maintain authenticity while facilitating the use of AI technologies.
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