Which AI assistant do you actually trust to help you through your day?

OpenAI's ChatGPT stormed into public consciousness and hasn't left. Whether you're writing a cover letter or asking it to explain your energy bill, it's become the go-to for millions.

Gemini slots neatly into Gmail, Docs, and your Android phone, making it feel less like a novelty and more like a digital colleague. Handy if you live inside the Google ecosystem.

Copilot has been quietly embedded into Microsoft 365, which means if you work in an office, you've almost certainly met it whether you wanted to or not. Surprisingly useful once you give it a chance.

Apple's take on AI arrived with iOS 18 and promises to feel more personal and private than the rest. It's still finding its feet, but iPhone loyalists are warming to it.

Before ChatGPT was a household name, Alexa was already answering questions about the weather and playing BBC Radio 2. A bit clunky for complex tasks, but still a firm favourite in British homes.