AI use in professional writing is growing faster than almost any other domain. In June 2026, the share of AI-generated or AI-assisted releases on PR Newswire — the largest press release distributor in the US — doubled, from 22% to nearly 50% in July 2026.
Post-training is what gives LLMs a distinct voice. As long as post-training exists, their outputs will remain detectable.
New Substack post, written by our own @bradley_emi. Link below
We benchmarked on PERSUADE, a collection of nearly 26,000 student essays each associated with diverse author demographic information like age, gender, and disability status. Pangram 4 demonstrated zero false positives across all examples.
Link to the full breakdown below
