How to Write a Cover Letter With AI (That Doesn’t Sound Like AI)

Most cover letters get read for about as long as it takes to make a coffee. Hiring managers skim the first few lines, decide whether you sound like a real fit, and move on.

That’s good news, because it means a cover letter doesn’t need to be long or clever. It needs to be specific. And this is exactly where AI is useful: it can take the job description and your experience and help you connect the two in a few clear paragraphs.

Below is a simple way to write a cover letter with AI that still sounds like you, with prompts you can copy and a structure that works for almost any job.

What a good cover letter actually does

Your resume lists what you’ve done. Your cover letter explains why that makes you right for this job. A strong one does three things:

• Shows you understand what the role needs
• Picks one or two pieces of your experience that prove you can deliver it
• Sounds like a person who’d be easy to work with

Keep it between 250 and 400 words. Shorter is fine. Longer usually isn’t.

Before you start

Have these ready:

• The full job description
• Your finished resume (if you haven’t updated it yet, our guide on how to write a resume with AI walks you through it)
• One or two facts about the company: a recent project, a product you like, or something from their “About” page

As always, remove your phone number and address before pasting anything into an AI tool. You can add them at the end.

Step 1: Find what the employer cares about most

Read this job description. In plain language, tell me:
1. The 3 problems this person will be hired to solve
2. The skills they mention most
3. Anything about the team or culture that stands out

Job description:
[paste here]

This gives you the angle for your letter. You’re not writing about yourself in general. You’re writing about how you’d help with those three problems.

Step 2: Pick your strongest proof

Paste your resume and ask the AI to match it to what you just learned.

Here's my resume. Based on the job description above, which 2 experiences or achievements best prove I can do this job? Explain why in one sentence each. Only use what's actually in my resume.

[paste resume]

You don’t have to accept its picks. Sometimes you’ll know a better example that isn’t on your resume yet. That’s fine. Use it.

Step 3: Write the first draft

Write a cover letter for this job using the 2 experiences we chose. Rules:
- 250 to 350 words
- Open with why I'm interested in this specific role, not "I am writing to apply"
- One paragraph per experience, focused on results
- Mention this detail about the company: [add your fact]
- Close with a short, confident line, not a plea
- Plain, warm, professional tone. No cliches.

The “not I am writing to apply” line matters more than you’d think. It’s the most common opening there is, and it wastes the one sentence everyone actually reads.

Step 4: Make it sound like you

Read the draft out loud. Anything you’d never say in a conversation should go. Then run this:

Point out any sentences in this cover letter that sound generic, stiff or overly formal, and suggest simpler versions. Keep every fact the same.

[paste your draft]

Words like “passionate”, “synergy”, “leverage” and “dynamic” are a good sign something needs rewriting. Replace them with what you actually did.

A simple structure you can reuse

• Opening (2 to 3 sentences): the role, and a specific reason it interests you
• Proof paragraph 1: your most relevant achievement, with a number if you have one
• Proof paragraph 2: a second example, or a skill that matches a key need
• Close (1 to 2 sentences): what you’d like to talk about next, and a thank you

Example opening lines

Compare these two openings for a customer support role:

• Generic: I am writing to express my interest in the Customer Support Specialist position at your company.
• Specific: Your support team’s promise to answer every ticket within a day caught my eye, because cutting response times is exactly what I spent the last two years doing.

The second one tells the reader something real in the very first line. (That example is made up to show the style. Use your own details.)

Mistakes to avoid

• Repeating your resume. Pick a story behind one line instead of listing everything again.
• Using the same letter everywhere. Recruiters can tell. Change at least the opening and one proof paragraph for each job.
• Letting AI invent details. Double-check every claim and company fact.
• Getting the company or role name wrong. It happens a lot with reused letters. Check it twice.

Frequently asked questions

Do I still need a cover letter?

Not every job asks for one, but when it’s optional, a short, specific letter can help you stand out, especially if you’re changing careers or your resume doesn’t tell the whole story.

Is it okay to use AI for a cover letter?

Yes, as long as everything in it is true and it sounds like you. Think of AI as a writing partner for the first draft, not the author.

How long should a cover letter be?

Around 250 to 400 words, or roughly three to four short paragraphs. If it doesn’t fit on one page, it’s too long.

Quick checklist

• Opening mentions the specific role and a real reason you want it
• Two clear examples, with results where possible
• Company and role names are correct
• No cliches, no invented facts
• Under 400 words and read out loud once

Pair this with a strong resume and you’ll already be ahead of most applicants. If the next step is an interview, the same approach works for preparing your answers too.

Related guide: learn how to prepare for a job interview with AI.