Opener Lab

Compare SPEKS

Pick a word to compare against.

SPEKS F
83.7%
of words eliminated

How SPEKS performs

Played first, SPEKS removes about 83.7% of the possible-answer list on average and scores 3.64 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, SPEKS left an average of 390 possible answers standing after the first guess. Its largest group in that replay came on July 19, 2026, when the answer was CHURN and 711 candidates survived.

First-guess odds

OutcomeSPEKS
First-turn solve*0%
At least one green25.2%
Any green or yellow69.9%
Whole row gray30.1%
Worst case answers left711

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