CharacterTest.app – AI character matching based on Big Five models

Show HN: CharacterTest.app–Scientific character matching using Big Five and LLMs

CharacterTest.app – AI character matching based on Big Five models is a company in show hn launch.

Profile

Hi HN,I’ve always felt that traditional "Which character are you" quizzes were too static—relying on rigid branching logic and simple scoring that often yields predictable, low-accuracy results.To solve this, I built CharacterTest.app. Instead of simple keyword matching, it uses an LLM-powered engine to perform semantic personality mapping. We decode user responses into the Big Five (OCEAN) and MBTI dimensions, then calculate proximity within a high-dimensional trait database covering 2,000+ characters across 100+ universes.Technical Stack:Framework: Next.js (App Router) with SSR for sub-second page loads and SEO.AI Logic: Custom prompting architecture to prevent "personality bleed" and ensu

Within the show hn launch space, the company focuses on its core offering rather than a broad product line.

It is recorded at the Show HN launch stage.

Website: www.charactertest.app