A personal AI assistant is an AI-powered tool that helps you think, create, research, organize, and execute tasks, whether as a thinking partner, co-creator, information finder, or automation builder, and works better when it knows you. A great personal AI assistant for work should save time while improving work, integrate with tools you already use, take action on your behalf, and protect your data. Key things to look for include organizational context, so an assistant that can see your team’s conversations, documents, and meeting notes can offer real-time, relevant answers; productivity and automation tools, so it can draft emails, send reminders, write summaries, reschedule meetings, or set up workflows; integrations, so you can pull information or initiate actions instead of bouncing between tabs; and security and privacy, with strong permission controls, data protections, and governance. The article lists Slackbot for contextual workplace productivity, grounded in your Slack conversations, files, and connected apps, included with Business+ and Enterprise Grid plans; ChatGPT for flexible, all-purpose help, with a free plan available and Plus starting at ~$20 a month; Claude for in-depth reasoning and long documents, with a free plan available and Pro starting at ~$20 a month; Microsoft Copilot for Microsoft 365 users, with a business add-on starting at ~$21 per user per month; Google Gemini for Google Workspace users, with a free plan available and Google One AI Premium starting at ~$20 a