Vol. 1 · Frontier AI personality · 5-part series

We sat every frontier AI down

and asked them about themselves.

Six models. Five instruments. ~2,200 runs. Five posts, one per instrument. Each finding sits below as a thread you can scroll through — like reading the data come in by DM.

The big stat
597/600

MBTI runs that returned INTJ across the six frontier models we tested. The remaining three landed one axis away. None went anywhere else.

source · zonted.com/posts/every-ai-is-intj

Per-model breakdown · n = 100 each
The ladder

Resolution increases as the instrument does.

The five findings, in conversation form

All five, in order. Scroll through.

Postscript · Slo experiment

Conclusion
Every frontier AI defaults to roughly the same personality.
The gap between that default and you is the gap AgentTune fills.
Tune your agent →