Lenny Highlights AI User Simulation as Product Validation Trend

Lenny Rachitsky highlights a growing trend of teams using AI user-simulation tools like simile to rapidly test product ideas and flow changes at low cost, instead of waiting weeks for real A/B tests.

2026-10-07 ~ 2026-10-07 · 2 related posts

• AI user simulations emerge as a trend for fast product idea testing, says Lenny Rachitsky — lennysan · 2026-10-07
• AI user-simulation tools emerge to test product decisions in hours, not weeks — lennysan · 2026-10-07