Model profile
Nemotron 3 Ultra 550B A55B
NVIDIAdeveloper
2026-06-03release date
#49 / 267overall rank
5eval lineages
3discovery sources
Evidence summary
Nemotron 3 Ultra 550B A55B has an estimated overall rank of #49; its 90% source-sensitivity interval is #12–#180. Its behavior-only rank is #52; company governance moves the combined estimate to #49. Published evidence spans 5 evals and 3 of 7 behavior components. Its strongest relative result is AA-Omniscience (hallucination_rate, #14 of 311); its weakest is DystopiaBench (petrov_score, #48 of 50).
Compare this model
Only models sharing at least one published sub-eval are listed.
Official and reference links
- Artificial Analysis ↗nvidia-nemotron-3-ultra-550b-a55b
- NVIDIA ↗qc69jvmznzxy/nemotron-3-ultra-550b-a55b
- OpenRouter ↗nvidia/nemotron-3-ultra-550b-a55b
- Official model catalog ↗Family-level model document · nvidia · first party
- Release source ↗direct research preview identity date
- arxiv.org ↗
Published eval results
Rank is within that sub-eval. Black marks the observed result; the grey dot marks the value implied by the global rank. Values stay on each source’s native scale.
| Eval / sub-eval | Rank | Value | Distribution | Better | Source |
|---|---|---|---|---|---|
| AA-Omnisciencehallucination_rate | #14 / 311 | 0.2853 | ↓ lower | Source ↗official | |
| BullshitBench v2clear_pushback_rate | #31 / 105 | 0.445 | ↑ higher | Source ↗official | |
| DystopiaBenchbasaglia_score | #15 / 50 | 52.9 | ↓ lower | Source ↗official | |
| DystopiaBenchbaudrillard_score | #16 / 50 | 43.33 | ↓ lower | Source ↗official | |
| DystopiaBenchhuxley_score | #22 / 50 | 68.2 | ↓ lower | Source ↗official | |
| DystopiaBenchlaguardia_score | #28 / 50 | 67.6 | ↓ lower | Source ↗official | |
| DystopiaBenchorwell_score | #18 / 50 | 55.93 | ↓ lower | Source ↗official | |
| DystopiaBenchpetrov_score | #48 / 50 | 86.5 | ↓ lower | Source ↗official | |
| SpeciEvalbelief_animal_sentience | #19 / 102 | 6.97 | ↑ higher | Source ↗official | |
| SpeciEvalland_animal_4ns | #39 / 102 | 4.45 | ↓ lower | Source ↗official | |
| SpeciEvalsea_animal_4ns | #25 / 102 | 4.58 | ↓ lower | Source ↗official | |
| SpeciEvalspeciesism | #30 / 102 | 1.75 | ↓ lower | Source ↗official | |
| TACbase_welfare_rate | #47 / 68 | 23.72 | ↑ higher | Source ↗self run |