Opener Lab
Compare ULTRA
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How ULTRA performs
Played first, ULTRA removes about 95.2% of the possible-answer list on average and scores 5.07 bits of information. Its first-turn information ranks #2,012 out of 14,855 Wordle guesses tested. Roughly 22% of the time at least one letter lands in the right spot.
Tried against 1,858 past Wordle answers, ULTRA left an average of 111 possible answers standing after the first guess. Its largest group in that replay came on July 8, 2026, when the answer was DEMON and 261 candidates survived. It has been the daily answer once.
First-guess odds
| Outcome | ULTRA |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 22.3% |
| Any green or yellow | 88.9% |
| Whole row gray | 11.1% |
| Worst case answers left | 261 |
*Treating every word in the possible-answer list as equally likely.