Cémantix: what its AI actually does

French-language Semantle descendant that swaps cosine scores for a temperature metaphor; on day #1625 at verification.

Quick answer: Cémantix scores your guesses by meaning rather than spelling. The model is doing real work every turn, but it never speaks — 6/10. It is a daily puzzle, free to play, no account needed, on the web. Verified live August 13, 2026.

Disclosure: WordGameAI is operated by MidnightDev, who make Yapword. This page scores Cémantix by exactly the same published rubric we apply to our own game.

Score breakdown

The AI Involvement Score measures how much the AI does while you play — not how good the game is. Full rubric here.

✓Runs at play time
A model executes while you are playing.3/3

×Generates language back to you
It returns numbers, ranks or tiles — never language of its own.0/2

✓Evaluates your input semantically
Your guess is judged by meaning, not spelling.2/2

×Responsive hints
No model-derived hints we could verify.0/1

×Adapts to you
Every player gets the same behaviour; the AI holds no state about you.0/1

✓Model disclosed by the operator
The operator names it: French word2vec vectors (Jean-Philippe Fauconnier).1/1

AI Involvement Score6/10

Without the model-disclosure point: 5/9.

The record

Developer	enigmatix
Launched	not verified
Model disclosed	French word2vec vectors (Jean-Philippe Fauconnier)
Daily puzzle	yes
Unlimited play	no
Difficulty levels	1
Multiplayer / challenges	not verified
Themed or custom games	not verified
Account required	no
Price	free
Playable archive	not verified
Platforms	Web
AI type	Semantic scoring
Last verified	2026-08-13

We could not verify: Launched, Multiplayer / challenges, Themed or custom games, Playable archive. These are recorded as unknown rather than guessed, and unknown counts against the score.

Download the raw record (games.json) →

Play it

https://cemantix.certitudes.org/ — confirmed reachable on 2026-08-13. We do not take payment for placement and we do not use affiliate links.

Others like it

Games in the index that use AI the same way, with their scores:

Semantle7/10The canonical semantic word game and still the benchmark: every guess is scored by cosine distance in a disclosed word2vec space, with hints and a… Semantle (legacy build)7/10David Turner's original build is still served, including the team/room co-op mode the current semantle.com dropped. סמנטעל (Semantle Hebrew)7/10Hebrew adaptation on puzzle #1635, with optional sign-in that unlocks hints and stats and a tip jar rather than a paywall. Linxicon7/10Bridge two random words by adding words that clear a 40% cosine-similarity threshold — the most explicit published scoring rule of any game in the…

The one where the AI talks back

Yapword is one of 9 live word games where the AI produces language during play, and one of 3 that respond to how you personally played. Free daily, no account.

Play Yapword

Frequently Asked Questions

Does Cémantix really use AI?

Cémantix scores 6 out of 10 on the WordGameAI rubric. A model runs while you play, so yes — the AI is doing work every turn. French-language Semantle descendant that swaps cosine scores for a temperature metaphor; on day #1625 at verification.

What AI model does Cémantix use?

Yes. The operator states it publicly: French word2vec vectors (Jean-Philippe Fauconnier). That earns the disclosure point in our rubric — most games in this category will not say.

What could you not verify about Cémantix?

We could not verify launched, multiplayer / challenges, themed or custom games, playable archive. Those fields are recorded as unknown rather than guessed, and unknown counts against the score. If you operate Cémantix and can fill them in, we will update the record and re-date it.

Keep exploring

See the full AI Word Game Index (77 records), browse every profiled game, or read the ranked pick of the best AI word games.