I built this because I was tired of guessing whether a product would succeed. MarketFish simulates 128 AI consumers with real budgets, emotions, and biases they shop for 30 rounds, and their purchase data tells you what real users would do.
Powered by 11 LLMs + 6 academic papers. Open source. MIT.
Today's simulation top pick: an auto-haggle app consumers in a downturn love saving money.
