Opener Lab
Compare GRAIL
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How GRAIL performs
Played first, GRAIL removes about 95.2% of the possible-answer list on average and scores 5.21 bits of information. Roughly 35% of the time at least one letter lands in the right spot.
Tried against 1,859 past Wordle answers, GRAIL left an average of 112 possible answers standing after the first guess. Its largest group in that replay came on July 18, 2026, when the answer was BOOTH and 298 candidates survived. It has been the daily answer once.
First-guess odds
| Outcome | GRAIL |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 35.3% |
| Any green or yellow | 87.4% |
| Whole row gray | 12.6% |
| Worst case answers left | 298 |
*Treating every word in the possible-answer list as equally likely.