> ## Documentation Index > Fetch the complete documentation index at: https://usefulai.com/llms.txt > Use this file to discover all available pages before exploring further. # Best AI Use Cases in 2026 > 87 practical AI use cases across sales, engineering, marketing, support, HR, finance, legal, and more - each with integrations and exact setup steps. Practical AI use cases for every role, each with the integrations it needs and the exact steps to set it up. Pick your role, or start with the workflows that fit everyone.

Everything here runs on whichever AI agent you already use - ClaudeClaude, ChatGPTChatGPT, GeminiGemini, or Microsoft CopilotMicrosoft Copilot - connected to the tools you already work in.

Productivity Start here - the six workflows that fit every role. +8 6 use cases Sales Meeting follow-ups, outreach drafts, proposals, and pipeline hygiene. +9 8 use cases Consulting Client research, analysis, decks, reports, proposals, and meetings. +12 8 use cases Engineering Features, bug investigations, tests, reviews, and incident evidence. +2 8 use cases Data & Analytics SQL, dataset cleaning, dashboards, reports, and anomaly triage. +7 7 use cases Product Feedback synthesis, research, PRDs, prototypes, and roadmap prep. +14 7 use cases Marketing Content drafts, repurposing, market research, and campaign reviews. +14 7 use cases Customer Support Grounded replies, routing, summaries, and knowledge upkeep. +2 7 use cases HR Policy answers, hiring evidence, onboarding, and people analytics. +15 8 use cases Finance Invoices, reconciliations, variance briefs, and forecast scenarios. +8 7 use cases Legal Contract review, drafting, legal research, and regulatory watch. +12 7 use cases Operations Document intake, exception triage, SOPs, and status reporting. +16 7 use cases
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