Opener Lab

Compare SIALS

Pick a word to compare against.

SIALS C
92.6%
of words eliminated

How SIALS performs

Played first, SIALS removes about 92.6% of the possible-answer list on average and scores 4.64 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, SIALS left an average of 176 possible answers standing after the first guess. Its largest group in that replay came on July 19, 2026, when the answer was CHURN and 457 candidates survived.

First-guess odds

OutcomeSIALS
First-turn solve*0%
At least one green39.3%
Any green or yellow80.6%
Whole row gray19.4%
Worst case answers left457

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