TLDR
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Grok launches Skills: persistent, reusable instructions for formatting, workflows, and document generation across web, iOS, and Android.
Key Takeaways
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Skills persist across conversations, eliminating repeated setup for preferences, formatting rules, or workflow steps.
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Built-in xAI skills cover Word docs, PowerPoint decks, Excel spreadsheets, PDFs, and a Skill Creator, with no setup required.
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Users can override any default skill; custom versions always take priority over xAI-provided defaults.
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Grok generates production-ready .docx, .pptx, .xlsx, and PDF files; existing files can be uploaded for restructuring or expansion.
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Skills are live now on Grok 4.3 across grok.com, iOS, and Android.
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