Largest Nemotron 3 model for maximum open-weight reasoning and agent accuracy
Details
| Field | Value |
|---|---|
| id | nvidia/Nemotron-3-Ultra-550b-a55b |
| family | nemotron |
| modality | text->text |
| context_length | 1048576 |
| max_output_tokens | 1048576 |
| release_date | 2026-06-04 |
| is_open_weights | yes |
| supports_tool_call | yes |
| supports_reasoning | yes |
| supports_structured_output | no |
| supports_attachment | no |
| input_modalities | text |
| output_modalities | text |