Opener Lab
SERUM vs SLANT
See which word leaves you with the easier game.
These game-length figures come from the previous complete opener benchmark against its 2,354-answer snapshot, ranked by average guesses among games solved within six. Its answer snapshot and continuation policy are separate from today's solver recommendations.
The same solver played from both openers. SLANT has the lower average in games solved within six: 3.51 guesses to 3.66 for SERUM.
Looking only at the opening row, SLANT has higher entropy (5.49 bits versus 4.99). That describes first-guess separation, not the full solve on its own.
| Metric | SERUM | SLANT |
|---|---|---|
| Elimination | 94.2% | 95.7% |
| Information | 4.99 bits | 5.49 bits |
| Avg remaining | 137 words | 101 words |
| Avg turns | 3.66 | 3.51 |
| Win rate | 99.9% | 99.9% |
| Tier | B | A |
What to expect from the first guess
| Outcome | SERUM | SLANT |
|---|---|---|
| First-turn solve* | 0.04% | 0.04% |
| At least one green | 33.6% | 41.5% |
| Any green or yellow | 85.0% | 86.2% |
| Whole row gray | 15.0% | 13.8% |
| Worst case answers left | 355 | 326 |
*Treating every word in the possible-answer list as equally likely.
A fully gray row is rarer with SLANT: it happens 13.8% of the time, against 15.0% for SERUM.
How these two openers fit together
SERUM and SLANT overlap on a single letter (S), so the pair tests 9 different letters between them.
Played back to back, SERUM then SLANT earns 8.67 bits of information in total, 3.17 bits more than the better word manages alone.
Past Wordle answers
- SERUM: Answer to the puzzle on April 2, 2024.
- SLANT: Has not been a past Wordle answer in this site's history.