Nemotron 3 Ultra (free)
by NVIDIAtext->text1 endpoint
Overview
NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...
Capabilities
Text generation
Tool use / Function calling
Extended reasoning
Long context
Modalities
Input
Text
Output
Text
Technical Specifications
Context Window
1M tokens
Max Output
65.5K tokens
Tokenizer
Other
Uptime (24h)
9878.7%
Supported Parameters
include_reasoningmax_tokensreasoningseedtemperaturetool_choicetoolstop_p
Pricing
Per 1M tokens
Free