Opener Lab

Compare GISMO

Pick a word to compare against.

GISMO C
90.1%
of words eliminated

How GISMO performs

Played first, GISMO removes about 90.1% of the possible-answer list on average and scores 4.32 bits of information. It is not on the possible-answer list, but it can still be useful because of the feedback groups it creates.

Tried against 1,859 past Wordle answers, GISMO left an average of 237 possible answers standing after the first guess. Its largest group in that replay came on July 19, 2026, when the answer was CHURN and 546 candidates survived.

First-guess odds

OutcomeGISMO
First-turn solve*0%
At least one green20.7%
Any green or yellow76.9%
Whole row gray23.1%
Worst case answers left546

*Treating every word in the possible-answer list as equally likely.