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Open-weight model · Robotics

GR00T-N1.7-3B

by NVIDIA nvidia/GR00T-N1.7-3B

NVIDIA Isaac GR00T N1.7 is an open foundation model for generalized humanoid robot reasoning and skills. This cross-embodiment model takes multimodal input, including language and images, to perform manipulation tasks in diverse environments.

Parameters3.1B
Context
Weights6.9 GB
License
AccessOpen weights
Monthly Downloads95.9k

Runs On

What it takes to serve GR00T-N1.7-3B (3.1B parameters): the memory its weights need at each precision, and the cheapest way to rent enough data-center GPUs to hold them.

PrecisionWeightsMemory neededCheapest setupPer hourAlso fits
16-bit 6.3 GB 7.5 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 3.1 GB 3.8 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 1.6 GB 1.9 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00

Memory is the weights at that precision plus 20% for the runtime and a short context; a long context needs more. Prices are the lowest on-demand hourly rates in the SAVRN Index, read Sep 18, 2026.

Model Card

NVIDIA Isaac GR00T N1.7 is an open foundation model for generalized humanoid robot reasoning and skills. This cross-embodiment model takes multimodal input, including language and images, to perform manipulation tasks in diverse environments. Developers and researchers can post-train GR00T N1.7 with real or synthetic data for their specific humanoid robot or task. Isaac GR00T N1.7 is the medium-sized version of our model built using pre-trained vision and language encoders, and uses a flow matching action transformer to model a chunk of actions conditioned on vision, language and proprioception. A detailed description of the Isaac GR00T N1.X architecture is provided in the GROOT N1 White…

Excerpt from the card by NVIDIA.

Configuration

Architecture
Gr00tN1d7
Hidden size
1,024
Model type
Gr00tN1d7

Identity and Version

Repository
nvidia/GR00T-N1.7-3B
Publisher
NVIDIA
Task
Robotics
Modality
Control
Library
Not stated by the source
Parameters
3.1B parameters
Languages
Not stated by the source
Revision
2fc962b973bccdd5d8ce4f67cc63b264d6886495
First published
2026-02-25
Last updated
2026-04-23

Files and Weights

27 files, 6.9 GB in total. The weights are 5 files totalling 6.9 GB in bin, npz, pt, safetensors.

Weights5 files · 6.9 GB
Configuration13 files · 12.1 MB
Documentation5 files · 21.4 KB
Other3 files · 3.2 MB
Repository1 file · 1.6 KB
Every file
FileTypeSizeSHA-256
experiment_cfg/initial_actions.npzWeights1.6 MB c34d9e522cf1
model-00001-of-00002.safetensorsWeights5.0 GB 8a1a1d8a33c9
model-00002-of-00002.safetensorsWeights1.9 GB c3f61940deb2
scheduler.ptWeights1.3 KB 5ae78127cbbf
training_args.binWeights8.3 KB 3c45bcc6f491
config.jsonConfiguration2.1 KB
embodiment_id.jsonConfiguration2.1 KB
experiment_cfg/conf.yamlConfiguration31.2 KB
experiment_cfg/config.yamlConfiguration35.0 KB
experiment_cfg/dataset_statistics.jsonConfiguration4.3 MB
experiment_cfg/final_model_config.jsonConfiguration1.5 KB
experiment_cfg/final_processor_config.jsonConfiguration43.4 KB
model.safetensors.index.jsonConfiguration105.0 KB
processor_config.jsonConfiguration21.1 KB
statistics.jsonConfiguration4.3 MB
trainer_state.jsonConfiguration3.2 MB
wandb_config.jsonConfiguration200 B
zero_to_fp32.pyConfiguration33.3 KB
EXPLAINABILITY.mdDocumentation2.5 KB
LICENSEDocumentation4.1 KB
PRIVACY.mdDocumentation551 B
README.mdDocumentation13.1 KB
SAFETY_and_SECURITY.mdDocumentation1.1 KB
SUCCESSOther
latestOther17 B
model-architecture.pngOther3.2 MB bbf161c66daa
.gitattributesRepository1.6 KB

License and Download

License
Not stated by the source
Access
Open weights, no gate
Download size
6.9 GB
Download from NVIDIA

Released by NVIDIA through its official repository on Hugging Face.

Built From

Memory Requirements

PrecisionWeights in memory
As published6.9 GB
16-bit6.3 GB
8-bit3.1 GB
4-bit1.6 GB

Weights only, from the published parameter count; the key-value cache and runtime add to this.

Questions About GR00T-N1.7-3B

How much GPU memory does GR00T-N1.7-3B need?

About 7.5 GB at 16-bit and 1.9 GB at 4-bit: the weights (3.1B parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run GR00T-N1.7-3B on?

At 16-bit, 1x MI300X from $1.85 an hour; at 4-bit, 1x MI300X from $1.85 an hour, at the lowest on-demand prices the SAVRN Index lists.

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NVIDIA Isaac GR00T N1.7 is an open foundation model for generalized humanoid robot reasoning and skills. This cross-embodiment model takes multimodal input, including language and images, to perform manipulation tasks in diverse environments. Developers and researchers can post-train GR00T N1.7 with real or synthetic data for their specific humanoid robot or task. Isaac GR00T N1.7 is the medium-sized version of our model built using pre-trained vision and language encoders, and uses a flow matching action transformer to model a chunk of actions conditioned on vision, language and proprioception. A detailed description of the Isaac GR00T N1.X architecture is provided in the GROOT N1 White…

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Open weights other 2.8B parameters