Opener Lab
Compare VESPA
Pick a word to compare against.
How VESPA performs
Played first, VESPA removes about 92.0% of the possible-answer list on average and scores 4.46 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, VESPA left an average of 191 possible answers standing after the first guess. Its largest group in that replay came on July 19, 2026, when the answer was CHURN and 414 candidates survived.
First-guess odds
| Outcome | VESPA |
|---|---|
| First-turn solve* | 0% |
| At least one green | 19.3% |
| Any green or yellow | 82.5% |
| Whole row gray | 17.5% |
| Worst case answers left | 414 |
*Treating every word in the possible-answer list as equally likely.