ChatGPT helps us do many wonderful things: create silly images of our families, write messages to loved ones that we’re too lazy to write ourselves, and usher in a new reality where robot is king. But before it takes its rightful throne, can you get big arms with ChatGPT? Yes, you can.

Now, unfortunately, it won’t lift the weights for you. You still get the joy of hitting the gym (or your living room), sweating and pumping. But it can tell you exactly what to do for your situation, if you tell it the right things.

New here? Start with my complete guide to big arms at home with dumbbells. Just want the prompts? Jump to the list.

ChatGPT can help you get big arms, no matter your situation

If you’re new to the gym and the thought of being seen in public lifting weights is dreadfully embarrassing, ChatGPT can help. If you’re an intermediate stuck in a plateau you can’t figure out, ChatGPT can help. Even if you’ve been lifting for years and you’re chasing that extra bit of peak in your biceps, you guessed it, ChatGPT can help.

That’s because with the right information, ChatGPT, Gemini and Claude can all give you a totally customized fitness plan. Admit it, you’ve probably already shared too much with these apps. You’ve uploaded some photos you hope never get reviewed by a moderator. So why not tell it your height, weight and current bicep curl max, and let it help you get over the hump to the big arms you’ve always dreamed of?

Real quick, though: what is a ChatGPT prompt, exactly?

A prompt is just a fancy term for whatever you type into the chat box. The more purposeful you are with your prompts, the better your responses.

And here’s a key: after you spend all that time writing those prompts, have your AI save what it’s learning about you, so you’re not reinventing the wheel every time. Prompt 30 does exactly that.

What makes a good fitness prompt

The best prompts tell your AI five things:

• Who you are: height, weight, age and how long you’ve been training.
• Your goal: bigger arms, and which part matters most to you.
• Your setup: gym or home, the gear you have, and how many days and minutes you can train.
• Your limits: injuries, a crazy schedule, foods you won’t eat.
• What you want back: a routine, a table, a grocery list.

Then end with “Ask me any questions you need first.” That one line usually makes the answer a lot better.

Every prompt below has blanks in [BRACKETS]. Fill them in before you hit send. And they all work in Gemini and Claude too, not just ChatGPT.

ChatGPT prompts for big arms: copy-and-paste list

Here’s a nearly comprehensive list of prompts to help you get big arms. It’s aimed at beginners, and at intermediates who are hitting a plateau, but who knows, even if you’re more advanced you may unlock some growth here.

I sorted them by situation, so find the one that sounds like you. Each one is tagged beginner, intermediate or any level. And watch for Joe’s take under some of them, where I share my own experience.

Jump to: Getting started · Stuck · Lagging parts · Food and recovery · Pain and busy weeks · Staying on track

Prompts to start your first arm routine

Everybody has to start somewhere. Even Arnold. Well, actually, I think his arms were chiseled out of solid iron when he was just a boy in the Austrian Alps. Anyway, here are the ChatGPT prompts.

1. Build your first arm routine (beginner)

2. Big arms with just dumbbells (beginner)

Joe’s take: I only use dumbbells. You really should get an adjustable bench and dumbbells, and you can get super fit by society’s standards. You won’t be Mr. Universe, but you can get attention from other parents on the sidelines of your kid’s sports games.

Good news: a review of the research found light weights can build muscle about as well as heavy ones, as long as you push each set until you can’t do another clean rep.

3. Should you set up a home gym? (beginner)

4. Learn the moves (beginner)

Joe’s take: I use this one every time I add a new move to my routine. Sometimes I see another fitness person doing it, and sometimes my AI suggests something I’ve never heard of. I watch a YouTube video for the form first, then ask my AI for specific cues. Most recently, that was lat pulldowns with a resistance band anchored to my door frame.

5. Nervous about the gym (beginner)

Prompts for when your arms stop growing

Has the fire gone out? That first burn of true arm love dwindling? Set your arm romance on fire with these prompts for ChatGPT, Claude, Gemini or whoever you’re talking to these days.

6. Find out why you’re not growing (beginner)

7. When lifting starts to feel easy (beginner)

8. Train arms more often (intermediate)

Joe’s take: I absolutely started training arms more often. I was obsessed with having balance, making sure all body parts were the same. Now, that’s important for injury prevention initially, but once you get to a good baseline of health, it’s totally OK to specialize in something. And big arms require that. So don’t be afraid to sprinkle in arm training whenever you can. It really made my biceps start to peak and finally get the vein when my body fat was low enough. Arms recover fast, and they don’t destroy your CNS (central nervous system), so it’s OK. Indulge in the vanity.

9. Arms lagging behind the rest of you (intermediate)

10. A progressive overload plan (intermediate)

Progressive overload just means adding a little weight or a few reps over time. It’s how muscles keep growing.

Prompts to bring up a lagging body part

It’s true. I’m sorry to say it, but you’re not perfect. There’s a lagging body part that probably no one notices but you. And you’re obsessed. And that’s OK. These prompts can help.

11. Get a second opinion on your arm (any level)

ChatGPT, Gemini and Claude can all look at photos. Crop out your face if you’d rather.

12. Bigger triceps (any level)

Want more for your triceps? Here’s my full list of ChatGPT prompts for bigger triceps.

13. More biceps peak (intermediate)

Want more for your biceps? Here’s my full list of ChatGPT prompts for bigger biceps.

14. Forearms that show (any level)

Joe’s take: upper body training takes a long time. So many movements, so many muscles, and forearms often get left behind. That’s a shame, because they’re visible basically all year round, and honestly, people love them, if you’re trying to attract someone. So don’t neglect them! The problem is, wrist curls are boring and time-consuming. AI showed me that hammer curls really do hit the upper forearm, and everyone loves doing biceps. So make hammer curls a staple, then do wrist curls for the bottom of your forearm. Or better yet, get some forearm strengtheners (those things you squeeze) on Amazon for cheap. Then you can just walk around training your forearms while you’re brushing your kids’ teeth or whatever, so you don’t have to be holed up in your garage doing boring wrist curls.

15. Wider shoulders (any level)

Prompts for food and recovery

Yes, food and recovery. Working out makes eating (almost) guilt-free. Check out these prompts to pig out and get stronger.

16. How much protein you need (beginner)

Joe's take: this one is tricky. AI will tell you to eat a ton of protein, but honestly, ask it to be realistic. If you chase protein too hard, it might mess up your diet, and you don't need that. Stinky farts, etc. Figure out the minimum amount and try to hit that. Don't set huge goals that screw up your stomach. Get yourself some protein shakes, drink some milk, get some bars, eat normal and you'll probably be fine.

17. Hitting your protein but not growing (intermediate)

18. Eat enough without gaining fat (beginner)

19. Easy high-protein meals (any level)

20. Sleep and soreness (any level)

Prompts for pain, busy weeks and travel

Life can't all be about lifting weights, sadly. But if you're a nutjob like me, and you want to work out whenever you can or else you spiral, then check out these easy-to-customize prompts. Your arms will thank you when you're recovering at the Ramada Inn for that work convention, or whatever it is you do.

21. Train around shoulder pain (beginner)

22. A nagging injury (intermediate)

Joe's take: this is a big one. I've been to physical therapy before, and I learned enough to believe I could use AI to get over a pec tear I had. ChatGPT actually let me down on the free plan. It wasn't giving me the best advice. I switched to Gemini, and it was far more scientific and gave me good PT exercises to work on. Following its advice, especially when I was itching to train and it told me to wait, helped me get back to my strongest. Listen to AI when it wants you to chill.

Heads up: your AI isn't a doctor. Get an injury diagnosed by a doctor or physical therapist first, and go back to them for sharp pain or pain that keeps getting worse. Then your AI can help you stick to the plan.

23. Missed workouts (any level)

24. Short on time (any level)

25. Traveling with no gym (any level)

Prompts to stay on track

Fallen off track like a kid's broken toy train? Is this metaphor too baked into my insulated parenting life? Yes. Do these prompts work? Yes. Try them to get back on track.

26. Bored with your workouts (intermediate)

27. Mornings or after work? (intermediate)

Joe's take: for what it's worth, I train in the morning. Training in the morning is awesome. You feel jacked all day, and all your food feeds a goal. Training at night can be fun, but if you get hyped like me, it can keep you up. Even brisk walks on a treadmill were messing with my sleep. Gotta say, working out in the morning or the afternoon is king for me. But that's just me, Joe.

Spoiler: a review of the research found muscle growth is about the same whether you train in the morning or the evening. Pick the time you'll actually stick with.

28. A reality check (any level)

29. A monthly check-in (any level)

30. Save your setup (any level)

Joe tip: paste that summary at the top of any new chat, and your AI picks up right where you left off.

You've got the prompts. Here are a few more tips for big arms

1. Consistency is king. Once you set the routine, stick to it. If it's not working, work with your AI to tweak it.
2. You can train harder than you think. Don't get caught up in the mantra "muscle is built on rest days." You can rest some muscles while you train others. Frequency really helps: a review of the research found training a muscle twice a week led to more growth than once a week.
3. Lean into your noob gains. If you're a beginner, you'll grow faster now than you ever will again. Train hard early, then ride the wave.
4. Take progress photos. It's motivating, not embarrassing.
5. Track your PRs (personal records, your best lifts), so you know you're actually making progress.
6. You're not competing with anyone but yourself. Social media is where people have perfect lighting and angles. Just get a little better each workout, and the growth adds up.

Solid workouts for big arms

I personally like to make sure I get to 4 sets on some of my key exercises. Three is the minimum, but 4 really pushes growth.

And don't neglect forearms. Everyone loves forearms, and they show up all year long. You can train them almost every day, so if you're feeling restless and your other muscles are sore and need to recover, you can very often hit forearms.

Exercise	Sets	Reps	Muscle
Dumbbell curl	4	8–12	Biceps
Hammer curl	3	10–12	Brachialis + forearms
Overhead triceps extension	4	10–12	Triceps, long head
Skull crusher (bench)	3	8–12	Triceps
Lateral raise	3	12–15	Side delts
Wrist curl	3	15–20	Forearms
Reverse wrist curl	3	15–20	Forearms

Want it built around your week? Paste this table into ChatGPT along with prompt 1. For a full breakdown of every muscle in your arm, see my guide to big arms at home.

Diet matters too, not just training

Hit your protein, eat enough, and the muscles will grow. How much protein? One big review of the research found the benefit tops out around 1.6 grams per kilogram of body weight a day, or about 0.7 grams per pound. Your AI can do the math for you.

If you're after that lean, veiny look, tell your AI. It can help you tweak what you're eating. Prompts 16 to 20 are a good place to start.

Quick questions

Can ChatGPT make a workout plan for big arms?

Yes. Give it your goal, experience, equipment and schedule, and it can build a full arm routine, then adjust it as you go. The more you tell it, the better the plan.

Do these prompts work in Gemini and Claude?

Yes. They're written in plain English, so they work in any AI chat app. Paste one in and fill in the blanks.

Is it safe to follow a workout plan from ChatGPT?

For most healthy beginners, a sensible plan is a fine place to start. But your AI isn't a doctor. If you have an injury or a medical condition, check with your doctor first, and stop any exercise that causes sharp pain.

Which prompt should I start with?

Prompt 1 if you're new, prompt 6 if you're stuck. Then use prompt 30 to save your setup.

You have the ChatGPT prompts for big arms. Now do the work

Show up, work hard, have fun. Download my free playbook to get your AI even more set up. Have fun getting big arms and enjoying all the beautiful things life offers when you're feeling strong and self-confident.

There are so many things in life you can't control. You can control how strong you look and feel. Own that.

— Joe

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Keep reading

• 10 Free ChatGPT Prompts for Big Shoulders (Plus Home Workouts)
• 15 Free ChatGPT Prompts for Bigger Triceps: For Beginners & Intermediates
• 16 Free ChatGPT Prompts for Bigger Biceps: Copy-and-Paste List