Pangram extension data: 1 in 4 longform social posts is fully AI-generated

AI content is everywhere on social media, especially LinkedIn

Pangram pulled anonymized scan data from its Chrome extension. The overall AI-generation rate was 13.8%, but for posts over 250 words it hit 25.72%. LinkedIn dominated: it accounted for 62% of all AI-flagged content, with more than 40% of longform posts marked fully AI-generated. On X, only 53.2% of articles scanned as fully human-written. Substack fared better but still saw 21.9% of posts flagged. The post doesn't disclose total sample size or the collection window, so treat the absolute numbers with caution, but the platform-level pattern is clear.

Why it matters: Pangram provides a quantified snapshot of AI content saturation on social media using their own extension data — the 62% LinkedIn concentration and 25%+ long-form AI rate are striking numbers. Downside: single data source (only their extension users) and Pangram is an AI detec...