LinkedIn is the undisputed king of long-form AI slop, according to a study spanning five platforms
41% of LinkedIn's long-form posts are AI-generated. That's reshaping how founders, investors, and leaders evaluate information on the platform.
Why it matters
AI-generated content is flooding professional social platforms at scale, creating signal-to-noise problems for business decision-makers and raising questions about platform authenticity and trustworthiness in professional networks.
The key facts
10 to know25% of long-form posts across five platforms are entirely AI-generated
LinkedIn leads with 41% of long-form posts flagged as AI-written
LinkedIn represents one-third of all posts scanned but nearly two-thirds of detected AI content
Detection model uses conservative flagging; actual rate likely higher
Study conducted by Pangram across five social platforms
Published July 2026
25% of long-form social posts across five platforms are entirely AI-generated
LinkedIn represents only 33% of all posts scanned but accounts for 66% of detected AI content
Detection model uses conservative flagging, suggesting actual AI-generated rates are higher
Study conducted by Pangram analysis
Go to the source
The Decoderthe-decoder.com
Publisher excerpt: One in four longer social media posts is entirely AI-generated, according to a Pangram analysis. LinkedIn leads with 41 percent of long-form posts flagged as AI-written. The platform made up only a third of all posts scanned but accounted for nearly two-thirds of all detected AI content. Because…