xAI Grok CLI (Grok Build): Start an interactive sessionFirst seen Aug 21, 2026 · xAIWhat the release notes say Bash On first launch, Grok opens a browser for authentication. In non-browser environments, use an API key: Bash Useful first prompts: Text Source: docs.x.ai ↗ OlderGrok BuildNewer Run headlesslyEvery xAI Grok CLI (Grok Build) release →