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NVIDIA: Nemotron 3 Nano 30B A3B (free)

nvidia/nemotron-3-nano-30b-a3b:free · NVIDIATokenizer lineage measured

Tokenizer lineage (measured): Mistral
Entered catalogue: 14 December 2025
Measurement: Variant: inherits its base model’s measurement
Evidence confidence: High

Why high: inherited from nvidia/nemotron-3-nano-30b-a3b: a serving variant shares its base model's tokenizer.

Evidence

✓ inherited from nvidia/nemotron-3-nano-30b-a3b: a serving variant shares its base model's tokenizer

Compare with NVIDIA: Nemotron 3 Nano 30B A3B

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This entry is a serving variant of NVIDIA: Nemotron 3 Nano 30B A3B. A variant shares its base model's tokenizer by construction, so the measurement lives on the base record and this page inherits it.

Identity statement

NVIDIA: Nemotron 3 Nano 30B A3B (free) is NVIDIA's model. Its measured tokenizer sits with the Mistral group, which is evidence that it builds on the Mistral tokenizer. Tokenizer reuse is normal engineering, open vocabularies travel between labs, and this says nothing against NVIDIA's authorship of the model itself.

What we checked

Four different kinds of evidence, and what each one showed

We checked	What we found	Where it came from
How it counts tokens	Not measured yet	we measured it
How its API is set up	A combination of settings no other listing in the catalogue uses	api_e7e71cae
How much it can read and write	Reads up to 256,000 tokens at once	its own listing
Whether it thinks before answering	Reasons when asked to	its own listing

Declared record

What the catalogue claims about this model

NVIDIA Nemotron 3 Nano 30B A3B is a small language MoE model with highest compute efficiency and accuracy for developers to build specialized agentic AI systems. The model is fully...

Modalities: text->text
Declared tokenizer: Other
Prompt price: $0 / M tokens
Completion price: $0 / M tokens

Supported parameters

include_reasoningmax_tokensreasoningseedtemperaturetool_choicetoolstop_p

defaults: {"temperature":null,"top_p":null,"frequency_penalty":null}

Catalogue entry Weights on Hugging Face

History

Every observation, kept as taken

14 December 2025Enters the OpenRouter catalogue with no declared family.

* NVIDIA: Nemotron 3 Nano 30B A3B (free) no longer appears in the OpenRouter catalogue, first absent from the snapshot of 3 September 2026. The record stays because the measurements above were real when they were taken and this address has been published.