Personality
Two tests.
Two different answers.
What this is
Both are free, both need nothing but your answers, and neither asks for your birthday.
They measure the same person in two different ways. The Sixteen Personality Types sorts you into one of sixteen four-letter types — the format everybody already knows. The Big Five does not sort you at all; it places you along five separate scales, which is why research psychology uses it and not the letters.
The honest difference: types are memorable, scales are accurate. If you take one, take the one you'll actually finish. If you take both, the places they disagree are the interesting part.
The Sixteen Personality Types is our own instrument built on Jungian type theory. It is not the official MBTI® instrument and is not affiliated with The Myers-Briggs Company.
The Sixteen Personality Types
48 questions, about 9 minutes.
You get one four-letter code — the kind you've seen before. It asks how you recharge, what you notice, how you decide, and how you handle time, then names the type those four answers make.
Free · start now →The Big Five
50 questions, about 10 minutes.
You get a position on five scales — openness, conscientiousness, extraversion, agreeableness, and how much stress moves you. Nothing gets rounded into a letter, so the middle stays the middle.
Free · start now →Which one should you take?
Take the Sixteen Personality Types if…
you want the four letters, or you want something you can send to someone and have them recognise instantly.
Take the Big Five if…
you have taken a type test before and the answer kept changing. Scales don't flip — a person near the middle is reported as near the middle instead of being pushed to one side.
Then check the other chart
Both tests ask you to describe yourself, so both can only return what you already believe. Your Saju chart asks nothing — it reads the moment you were born.