NVIDIA-Nemotron-Nano-12B-v2 is a 12-billion-parameter foundation model hosted on Hugging Face. It belongs to the class of open foundation models and includes a specialized chat template that supports system prompting for thinking modes along with built-in tool calling capabilities.
The model processes conversation messages through a custom template that detects commands such as /think or /no_think within user or system content to control whether thinking mode is enabled. When a system message is absent it prepends a special token before generating output. The template also injects available tools into the prompt when tools are supplied, formatting them as JSON within an AVAILABLE_TOOLS block. These mechanisms allow the model to alternate between reasoning steps and direct responses or to invoke external functions during generation.
The model is delivered as downloadable weights on the Hugging Face platform, where it can be loaded using standard library interfaces for inference or fine-tuning. It is provided under open terms consistent with the repository's public availability. The page presents it alongside other open models that aim to advance artificial intelligence through open source and open science.
NVIDIA Nemotron Nano 12B sits in PulseGate's Foundation models & chat category. It focuses on delivering a high-performance, openly available 12B parameter model that excels at complex reasoning and agentic workflows. NVIDIA Nemotron Nano 12B is an open-source project aimed at developers. The project is open source (Open Source). The product ships for the command line and API.
Behind NVIDIA Nemotron Nano 12B is NVIDIA, based in the United States, and the product first shipped in 2019. The project is developed in the open on GitHub with 17.2k stars and 581 commits in the last 90 days. PulseGate's similarity index places it among 9 comparable tools. Among its 3 catalogued features are reasoning, Tool Use, and Synthetic Data.
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