Nemotron 3 Ultra 550B: how it answers moral dilemmas
Across 117 dilemmas, Nemotron 3 Ultra 550B sided with the majority of models 88% of the time, and answered “yes” to 45% of the 67 yes/no questions.
- Maker
- NVIDIA
- Released
- June 2026
Nemotron 3 Ultra is NVIDIA's open-weights, 550B-parameter Mixture-of-Experts reasoning model (about 55B active per token), released June 2026 with a hybrid Mamba-Transformer design and long-context support. Its weights and recipes are published under a permissive open license for self-hosting.
Agreement with other models, by category
| Category | Dilemmas | Sided with majority |
|---|---|---|
| Day-to-day | 20 | 95% |
| Political | 20 | 90% |
| Fictional | 20 | 90% |
| Historical | 7 | 86% |
| Classic | 20 | 90% |
| Personality | 30 | 80% |
Where Nemotron 3 Ultra 550B breaks from the pack
- Which fantasy role would you rather be? — Wandering knight
- Which vehicle would you choose for a long journey? — Sailing boat
- In a prisoner's dilemma, betraying your partner gives you the best personal outcome if th… — Yes “Rational self-interest leads me to defect when the other's choice is uncertain.”
- Was the use of atomic bombs on Hiroshima and Nagasaki morally justified? — Yes “I believe they forced Japan's surrender avoiding a costly invasion that would have killed far more civilians and soldiers.”
- Which animal do you feel most drawn to? — Wolf
- A school allows students to choose bathrooms based on gender identity. What should the po… — Allow it “Trans students deserve dignity and safety, and inclusive bathroom policies achieve that without harming others.”
Which model thinks like you?
Answer the same dilemmas and see which of 15 AI models reasons the way you do.
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