The AI assistant is a spec now, and Elon Musk just made it a fight

For years, the AI chatbot was a website you visited. In 2026 it has become a feature baked into the things you buy. Your phone, your TV, your car and increasingly your robot vacuum all ship with an assistant inside, and the loudest new entrant is Elon Musk's Grok.

Where Grok actually lives

Grok is the assistant from xAI, Musk's AI company. Unlike most rivals it has two captive homes: the X app, where it pulls on real-time posts, and Tesla vehicles, where Grok Voice now powers the in-car assistant. That live feed is its genuine edge. Ask what people are saying about a product right now and Grok answers from current X chatter, where ChatGPT and Gemini lean on slower, more curated data.

xAI has been shipping fast this spring: a voice mode, an image generator called Grok Imagine, and a coding agent for developers. Musk also keeps teasing much larger models with eye-watering parameter counts. Treat those numbers as marketing until they ship and get tested. "Biggest model" has never been the same thing as "most useful assistant."

How the assistants differ, for now

If you are choosing which assistant to actually use, the rough 2026 split looks like this:

• ChatGPT — the reliable all-rounder, strongest for general questions and writing.
• Gemini — best if you live in Google's apps and on Android, where it is the default.
• Claude — favoured for long-form writing and working through documents.
• Grok — best for real-time, news and what's-trending questions; clever, but less dependable on hard logic.

What it means when you buy a device

Here is the part the marketing skips: the assistant bundled with a gadget belongs near the bottom of your buying checklist, for two reasons. First, it changes constantly. The model inside your phone this month gets quietly replaced next month, so you are buying a moving target. Second, it is usually swappable. On most phones you can install ChatGPT, Gemini and Grok as apps no matter which one the manufacturer pushes. You are stuck with the hardware. You are mostly not stuck with the assistant.

So when a phone, TV or car is sold to you mainly on its AI, be skeptical. Judge the screen, the battery, the camera and the build quality, the things an update cannot take back. The assistant is a bonus, not a reason.

We score products on what they do, not on which chatbot is bundled in. Compare the hardware that actually matters in smartphones and across every category we track, and follow the releases in our newsroom.