There is no single best AI assistant. There is a best fit for how your organisation works.
Start with your stack
If your business runs on Microsoft 365, Copilot sits inside the tools you already use. Google Workspace teams get similar benefits from Gemini. Standalone assistants can be stronger for writing, analysis and coding.
Check the data controls
Business plans differ in how they store and use your data. Confirm data residency, retention and training settings before you roll anything out.
Pilot with real work
Give a small group two weeks on real tasks, measure time saved and quality, then decide. Compare the systems against the tasks and controls that matter to your organisation.
Vendor features and pricing change often, so check the vendors’ current terms.