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DEEP REASONING · NVIDIA

Nemotron 3 Ultra

Nemotron 3 Ultra is a reasoning, tool-using model from NVIDIA in the NVIDIA family, living in The High Peaks (deep reasoning). It reads text and writes text, with a 262K-token context window and up to 183K tokens of output. On OpenRouter it costs $0.600 per million input tokens and $2.40 per million output tokens.

See Nemotron 3 Ultra in 3DOpen in the WorktableView on OpenRouter

Specifications

Provider
NVIDIA
Family
NVIDIA
Province
The High Peaks
Context window
262K tokens
Maximum output
183K tokens
Input / 1M tokens
$0.600
Output / 1M tokens
$2.40
Accepts
text
Produces
text
Reasoning
Yes
Tool use
Yes
Added to OpenRouter
2026-06-04
Model ID
nvidia/nemotron-3-ultra-550b-a55b
Price history
—All recorded prices

From the 2026-10-24 catalog snapshot. Prices are US dollars per million tokens.

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