SpaceXAI open-sourced Grok Build, and three versions of the story immediately started circulating: "Grok 4. 5 is open source now. " "You can run the whole Grok stack offline.
Source: [Dev.to](https://dev.to/tokenmixai/grok-45-isnt-open-source-the-apache-20-release-has-a-privacy-catch-1mkj)