Substack’s new tool tells you who’s been writing their newsletters with AI
Culture Index
Score Breakdown
Relevance
3/25
Freshness
25/25
Authority
25/20
Brand Signal
1/15
Depth
2/15
5-Axis Cultural Radar
Substack is giving readers a way to estimate how much of a newsletter was written by AI, signaling a broader shift toward transparency around AI-assisted content.
