Grok 2.5 (OSS Ver.)

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.

Grok 2.5 (OSS Ver.) is the open-source version of xAI's top-performing large-scale model from 2024. Weighing approximately 500 GB, it is now available for download and use by developers and researchers under a community license. The model requires significant computational resources, including eight GPUs each with over 40 GB of memory, and is designed to be served using the SGLang inference engine. Users can interact with Grok 2.5 via a chat interface, following specific formatting guidelines. This release offers the AI community direct access to a powerful, professionally trained model, enabling experimentation and application development in a shared, open framework.