Which one you're actually paying for, how to use it properly, and what large independent studies found when they measured whether it works. Current as of September 2026.
20 min readBeginner
Almost everything written about Microsoft Copilot is wrong, and it's usually wrong the same way. The writer picks up one Copilot, compares it to ChatGPT, and reaches a verdict about a completely different product.
That's not carelessness. Microsoft has attached the word "Copilot" to at least four separate things with different prices, different capabilities, and different owners inside the company. Two of them share a name and cost $10 a month apart, and only one of them does the thing all the marketing is about.