Data as of Sep 26, 2026 · Based on 4,029,442 AI responses across 13,338 prompts · See how Parse measures this
The site offers a free, open-source Big Five personality test (120 questions, about 10 minutes) that is scientifically validated. It is translated into over 20 languages, requires no registration, and is released under the MIT license on GitHub. It also lets you compare your results with others and includes articles and related tools such as the Pair Perspective relationship test.
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