Ask ChatGPT to Pick a Random Number 1-30 and It Keeps Choosing 17

andyb3446 · reddit · 2026-09-04

A Reddit user tested the classic quirk: asked ChatGPT to pick a random number between 1 and 30, and it once again chose 17 — reinforcing the well-known bias where LLMs cluster on certain "random" numbers instead of true randomness. Light but fun demonstration of how predictable models are at pretending to be random.

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