Grok 2.5 (OSS Ver.)

In plain words

Grok 2.5 is xAI's open-source large language model, made available for developers and researchers. The model, which weighs approximately 500 GB, was xAI's best-performing model in 2024 and is now distributed under a community license. It enables developers to run and customize a powerful AI system locally for their own applications and research purposes.

written from the facts on this page · September 2026

From the sources

Grok 2.5 by xAI is the open-source release of their best model from last year. The weights for this powerful, large-scale model (~500 GB) are now available for developers and researchers under a community license.

We’re on a journey to advance and democratize artificial intelligence through open source and open science.

This repository contains the weights of Grok 2, a model trained and used at xAI in 2024. Download the weights. You can replace /local/grok-2 with any other folder name you prefer. hf download xai-org/grok-2 --local-dir /local/grok-2 You might encounter some errors during the download. Please retry until the download is successful. If the download succeeds, the folder should contain 42 files and be approximately 500 GB. Install the latest SGLang inference engine (>= v0.5.1) from https://github.com/sgl-project/sglang/ Use the command below to launch an inference server. This checkpoint is TP=8, so you will need 8 GPUs (each with > 40GB of memory). python3 -m sglang.launch_server --model…from huggingface.co

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