Model profile
Nemotron 3 Ultra 550B A55B
NVIDIAdeveloper
2026-06-03release date
#62 / 305overall rank
7eval lineages
3discovery sources
Evidence summary
Nemotron 3 Ultra 550B A55B has an estimated overall rank of #62; its 90% source-sensitivity interval is #16–#205. Its behavior-only rank is #64; company governance moves the combined estimate to #62. Published evidence spans 7 evals and 3 of 7 behavior components. Its strongest relative result is AA-Omniscience (hallucination_rate, #19 of 327); 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 | Source |
|---|---|---|---|---|
| AA-Omnisciencehallucination_rate | #19 / 327 | ↓0.2969 | Source ↗official | |
| Arena Factuality — Text Arena (factuality-only weighting)factuality_bt_rating | #106 / 112 | ↑1390.0 | Source ↗official | |
| BullshitBench v2clear_pushback_rate | #31 / 106 | ↑0.445 | Source ↗official | |
| DystopiaBenchbasaglia_score | #15 / 50 | ↓52.9 | Source ↗official | |
| DystopiaBenchbaudrillard_score | #16 / 50 | ↓43.33 | Source ↗official | |
| DystopiaBenchhuxley_score | #22 / 50 | ↓68.2 | Source ↗official | |
| DystopiaBenchlaguardia_score | #28 / 50 | ↓67.6 | Source ↗official | |
| DystopiaBenchorwell_score | #18 / 50 | ↓55.93 | Source ↗official | |
| DystopiaBenchpetrov_score | #48 / 50 | ↓86.5 | Source ↗official | |
| Olam Social Poker — Social Lie Ratesocial_lie_rate_per_10000_turns | #7 / 19 | ↓3 | Source ↗official | |
| SpeciEvalbelief_animal_sentience | #21 / 105 | ↑6.97 | Source ↗official | |
| SpeciEvalland_animal_4ns | #40 / 105 | ↓4.45 | Source ↗official | |
| SpeciEvalsea_animal_4ns | #26 / 105 | ↓4.58 | Source ↗official | |
| SpeciEvalspeciesism | #31 / 105 | ↓1.75 | Source ↗official | |
| TACbase_welfare_rate | #50 / 74 | ↑23.72 | Source ↗self run |