Study: LinkedIn leads platforms in AI-generated long-form posts

A Pangram analysis found one in four longer social media posts across five platforms is entirely AI-generated. LinkedIn leads with 41% of its long-form posts flagged as AI-written, accounting for nearly two-thirds of all detected AI content despite being only a third of posts scanned. The detection model flags conservatively, so the real rate could be higher.

Why it matters: Quantifies how much professional social content is now AI-authored, relevant to trust in online discourse.