Nemotron 3 Ultra 550B A55B
nvidia-nemotron-3-ultra
Largest Nemotron 3 model for maximum open-weight reasoning and agent accuracy
Specification
most-agreed values
Context
262K
Max output
131K
Released
2026-06-04
Knowledge cutoff
2025-09
Retires
—
Open weights
yes
Input
text
Output
text
Price
US dollars per million tokens · most-agreed
Input
$0.50
Output
$2.50
Available from 1 host
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| requesty | $0.50 | $2.50 | — | — | 262K | 131K | — |
Other listings of this model
this page is one of them
The corpus files Nemotron 3 Ultra 550B A55B under several keys. This page is the nvidia-nemotron-3-ultra listing. The full record — every host, every price and every benchmark score — is on the main Nemotron 3 Ultra 550B A55B page.