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openpi

Physical-Intelligence/openpi

Repository for running AI models with GPU requirements specified for inference and fine-tuning.

GraphCanon updated Sep 20, 2026 · GitHub synced Sep 20, 2026

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14k stars2.5k forksLast push Aug 24, 2026 Python Apache-2.0

Decision brief

openpi is a repository for running AI models with specific GPU requirements for inference and fine-tuning, including LoRA and full fine-tuning modes.

Good fit when

  • Use openpi when you need to run AI models with precise GPU memory requirements for inference and fine-tuning, particularly with LoRA and full fine-tuning modes.
  • Consider openpi if you are working with Ubuntu 22.04 and have access to GPUs like the RTX 4090 or A100 (80GB) / H100, as it has been tested with these configurations.

Avoid when

  • Avoid using openpi if your project requires multi-node training, as the current training script does not support this feature.
  • Do not use openpi if you are working on an operating system other than Ubuntu 22.04, as the repository has not been tested with other systems.
Requirements:
The repository requires an NVIDIA GPU with at least 8 GB of memory for inference, 22.5 GB for fine-tuning with LoRA, and 70 GB for full fine-tuning.

Observed Sep 18, 2026 · Source: enrich:decision_facts

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Maintenance and security

Full trust report
Maintenance
Active (24d since push)
As of Sep 18, 2026
Provenance
Not a fork · Organization account
As of Sep 18, 2026
Security (OSV)
No lockfile
As of Sep 18, 2026

Public GitHub metadata and optional OSV scans. Signals, not a guarantee. Trust methodology.

Install

pip install openpi
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Evidence and technical details

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Overview

This repository contains code for running AI models, with a focus on specifying GPU requirements for different modes of operation, including inference and fine-tuning with LoRA and full fine-tuning.

Capability facts

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python

Source: github.language+pyproject.toml · Sep 18, 2026

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README

Requirements To run the models in this repository, you will need an NVIDIA GPU with at least the following specifications. These estimations assume a single GPU, but you can also use multiple GPUs with model parallelism to reduce per GPU memory requirements by configuring in the...

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