See it in the Meta Ad Library

Grammarly’s image ad: “Your AI writing assistant”

Running 217 daysFacebookWinner

How it opens

“Work faster and smarter with an AI assistant that supports you at every step.”

Angle: Feature

Why it works

It runs for 217 days, is still active, and sits across 14 active ads with a win score of 94, which suggests this simple, clear message holds up with its audience over a long time. The copy is short, jargon-free and says exactly what the product does, so there is little to misread. Pairing a familiar brand with the 'AI assistant' framing ties it to a topic people are already interested in.

Who it speaks to: Working professionals who write often, such as emails and documents, and want to get through it faster and with more confidence.

How it’s built

Hook: The headline states plainly what the product is, an AI writing assistant, with 'Your' making it feel personal.
Benefit: The post text promises faster, smarter work and support at every step.
Credibility: The description says professionals rely on it, which hints at social proof without giving numbers.
CTA: The Download button and the grammarly.com caption point to a low-friction next step.

What to borrow

Name what your product is in the headline, in plain words, so the right person recognises it straight away.
Pair a clear capability with one simple benefit such as speed, rather than stacking many claims.
Use a light credibility line like 'professionals rely on it' only if you can back it up with real proof of your own.
Match the button to a single easy action, like Download, so the next step is obvious.

Its words

Your AI writing assistant

Work faster and smarter with an AI assistant that supports you at every step.

The support professionals rely on to write faster and stay on track.

Button: Download

Where and how long