In 2026, AI can draft a 20-slide deck in seconds, but the key is whether customer-acquisition costs and revenue figures survive export intact. Tekedia tested 11 AI PowerPoint generators to find which creates an on-brand, fully editable marketing report for the boardroom, timing workflows, verifying charts against source data, and auditing security controls. The tools follow four architectures, with placement inside PowerPoint, Google Slides, or the web determining brand fonts, editable charts, and live data. Native PowerPoint add-ins, like Plus AI, Microsoft Copilot, and Claude for PowerPoint, work inside the desktop or web app without exports. Plus AI leads as the best overall for cross-platform reporting, creating native PPTX and Slides files with editable charts and enforced brand styles. Microsoft Copilot is best for deep Microsoft 365 and Power BI stacks, embedding live Power BI pages under existing governance. Claude for PowerPoint reads open Excel sheets and builds branded slides without export steps. Gemini in Google Slides generates decks from Docs, Sheets, and PDFs for Google Drive teams. Beautiful.ai locks layouts for strict brand governance, Visme offers rich chart widgets for infographics, Pitch provides real-time collaboration and viewer analytics, and Canva suits lean teams with a one-stop creative suite. ChatGPT for PowerPoint is a July 2026 add-in that drafts and rewrites inside PowerPoint, while Gamma excels at narrative-first, web-native decks. Presentations.ai focuses on editable PPTX export with Smart Templates, and NotebookLM converts