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NVIDIAIsaac GR00T familyLegacyRobotics modelReleased 18 Mar 2025

Isaac GR00T N1 / N1.5 / N1.6

Model idnvidia/GR00T-N1-2B

PricePrice not published

Checked29 September 2026

Where it stands

27newer robotics models since its release

The 5 newest are listed. All robotics models

After it from NVIDIA
Isaac GR00T N216 Mar 2026
Weights
Weights are public. Licence: NVIDIA license. See the licence for commercial terms.

How to call it

4 ways to use Isaac GR00T N1 / N1.5 / N1.6, with the model id each provider expects.

Providers, model ids, endpoints and docs for Isaac GR00T N1 / N1.5 / N1.6
ProviderModel idEndpointDocs
Hugging Face nvidia/GR00T-N1-2B huggingface.co
Hugging Face nvidia/GR00T-N1.5-3B huggingface.co
Hugging Face nvidia/GR00T-N1.6-3B huggingface.co
GitHub (branches n1d5, n1d6) github.com

Pricing

Price not published.

No price source linked. Checked 29 September 2026.

Specs

Input
Text and images
Output
Robot actions
Context window
Not published
Max output
Not published
Open weights
Yes
Licence
NVIDIA license (see each Hugging Face model card; N1.6 card lists a non-commercial license)
Released
18 March 2025
Status
Legacy
Type
Robotics model

What stands out

What its maker marketed at launch, and what people found later, each with its source.

  • Open humanoid robot foundation model

    First

    Announced at GTC 2025 as ‘the world’s first open humanoid robot foundation model’: a dual-system VLA (VLM ‘System 2’ + diffusion-transformer ‘System 1’) for cross-embodiment humanoid control, customizable with synthetic data.

    Source: nvidianews.nvidia.com

Notes

Superseded by GR00T N1.7 (2026). ‘first’ is NVIDIA’s claim (open weights for a humanoid-specific generalist model; earlier open VLAs such as OpenVLA/Octo targeted arms).

Sources: NVIDIA newsroom (GR00T N1), Isaac-GR00T GitHub.

Not yet checked against an official source: N1 (2B) announced 2025-03-18; N1.5 (3B) mid-2025; N1.6 (3B) later in 2025 - exact N1.5/N1.6 dates not re-verified.