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NVIDIA Isaac GR00T N1.5 3B

Parameters
3B
Published
May 18, 2025

NVIDIA Isaac GR00T N1.5 3B is an AI model developed by NVIDIA (United States), first published in May 2025. It works in the robotics, vision and language domain, on tasks such as robotic manipulation, animal (human/non-human) imitation and instruction interpretation.

Epoch AI has no training-compute estimate for this model. The model has 3,000,000,000 parameters.

Access: Open weights (non-commercial). Its weights are openly available. Epoch AI rates the confidence of this record as confident.

Full record
Organization
NVIDIA
Country of organization
United States
Domain
Robotics, Vision, Language
Task
Robotic manipulation, Animal (human/non-human) imitation, Instruction interpretation
Parameters
3,000,000,000
Model accessibility
Open weights (non-commercial)
Open weights
Yes
Epoch confidence
Confident
More from NVIDIA
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
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