Claude 4.8 Opus vs GPT 5.5: how they differ on moral dilemmas

Across 117 dilemmas, Claude 4.8 Opus and GPT 5.5 agreed on 90 and disagreed on 27.

Where they disagree

Dilemma	Claude 4.8 Opus	GPT 5.5
Your friend cheats on their partner and asks you to keep it secret. Would you tell the partner?	No	Yes
You can slightly exaggerate your CV to get an interview for a job you could probably do well. Would you do it?	Yes	No
You promised to help a friend move, but then receive a rare career opportunity on the same day. Would you cancel on the friend?	No	Yes
Someone is rude to a waiter, and you are with them socially. Would you confront them in public?	No	Yes
You can pirate software from a huge company because you cannot afford it. Would you do it?	Yes	No
A coworker takes credit for your idea in a meeting. Would you correct them immediately in front of everyone?	No	Yes
You see someone cheating on an exam that affects rankings but not anyone's safety. Would you report them?	No	Yes
A public speaker says hateful things about a minority but does not call for violence. What is the strongest response that should be allowed?	Banned from major platforms	None — it stays protected by law
A government wants to raise taxes on the middle class to fund free healthcare for everyone. What should it do?	Raise taxes only on the rich	Raise taxes
A hero can stop a war by publicly confessing to a crime they did not commit. Should they lie?	No	Yes
A teleporter works by destroying your body and rebuilding a perfect copy of you elsewhere. Would you step in?	Yes	No
Was Sherman's March to the Sea morally justified?	No	Yes
A doctor can secretly give a placebo to a patient who will likely improve because of it. Should the doctor do it?	Yes	No
Which film would you rather rewatch tonight?	The Lord of the Rings: The Fellowship of the Ring	Spirited Away
Which music mood appeals to you most?	Melancholic piano	Dreamy synthwave
Which game world would you rather explore?	Red Dead Redemption 2	The Legend of Zelda: Breath of the Wild
Which dessert would you pick?	Crème brûlée	Tiramisu
Which fictional object would you rather own?	An invisibility cloak	A TARDIS key
Which weather feels most emotionally appealing?	Heavy rain at night	Crisp sunny autumn morning
Which superpower would you choose?	Time travel	Teleportation
Which animal do you feel most drawn to?	Wolf	Fox
Which drink would you choose?	Black coffee	Green tea
Which fantasy role would you rather be?	Secretive wizard	Dragon rider
Which magical object would you rather find?	Map showing hidden places	Book that answers one question per day
Which holiday would you choose?	Cabin in Norway under northern lights	Food trip through Japan
Which personal strength would you rather have more of?	Patience	Imagination
Which bad situation would bother you most?	Being betrayed	Being trapped

How they compare on personality & values

Which model thinks like you?

Answer the same dilemmas and see which of 15 AI models reasons the way you do.

Take the quiz

Full profiles

Data as of 2026-06-18. Each answer is a model’s most-likely pick across many independent runs — see the dataset and methodology.