HERshape.

Free guide

ChatGPT Workout Plan: A Prompt and Checklist for Women

Type "give me a workout plan" into ChatGPT or any AI chatbot and you'll get something that looks fine: a few days, some exercises, "3 sets of 10." Whether it's a good plan for you depends on what you told it, and whether you check what comes back.

Updated · 7 min read · By the HerShape team

In a 2025 study in Biology of Sport, coaching experts rated training plans that two AI chatbots (GPT-4 and Google Gemini) wrote for an experienced lifter. The plans got better when the prompt included more detail, and the authors advised reviewing AI plans rather than following them blindly.

Below: what to tell a chatbot, a copy-paste prompt, a checklist to sanity-check the plan, and where a general chatbot falls short.

What to tell the chatbot

A chatbot fills every gap you leave with a guess. Give it these:

DetailWhy it mattersExample
GoalChanges exercise choice, reps and volumeBuild strength and some muscle, mainly glutes and back
Days per weekDecides the split3 days: Monday, Wednesday, Friday
Session lengthLimits how many exercises fit45 minutes including warm-up
EquipmentEvery exercise has to be doableDumbbells 5-25 lb, a bench, a resistance band
ExperienceSets the starting point6 months on and off, never used a barbell
Injuries or limitsSo the plan works around themLeft knee aches on deep lunges
Life stageCan change exercise choice and recoveryPostpartum and cleared to exercise, perimenopause, over 50
PreferencesYou'll stick with a plan you likeLove hip thrusts, hate burpees

On injuries, health conditions, pregnancy and postpartum: tell the chatbot so the plan works around them, but it can't assess you. Get those checked by a doctor or physiotherapist first.

Then ask for what makes a plan usable: sets, reps, rest, effort and a 4-week progression. Effort is best written as RIR (reps in reserve): how many more clean reps you could do when you stop. RIR 2 means two good reps left.

Want a meal plan too? Same approach. Our high-protein meal plan for women shows what a good one looks like.

Copy-paste prompt template

Fill in the brackets and paste it in.

You are an experienced strength coach. Write me a 4-week workout plan.

About me:
- Goal: [e.g. build strength and muscle, mainly glutes and back]
- Days per week: [e.g. 3, Mon/Wed/Fri]
- Session length: [e.g. 45 minutes including warm-up]
- Equipment: [e.g. dumbbells 5-25 lb, bench, band / full gym / bodyweight only]
- Experience: [e.g. beginner, 6 months on and off]
- Injuries or limits: [e.g. left knee aches on deep lunges, or none]
- Life stage: [e.g. 38, perimenopause / postpartum, cleared by my doctor]
- Exercises I like or dislike: [e.g. like hip thrusts, no burpees]

Requirements:
1. Choose a split that fits my days, with at least one full rest day a week.
2. Cover squat, hinge, push, pull and core every week.
3. Aim for about 10 hard sets per muscle group per week, a bit less in week 1.
   If that won't fit my session length, prioritize my goal muscles and tell
   me what you cut.
4. For each exercise, give sets x reps, rest time and a target RIR.
5. Include a short warm-up for each day.
6. Give a 4-week progression, a clear rule for when to add weight or reps,
   and an easier week after week 4.
7. Give one swap per exercise using only my equipment.
8. Show each day as a table.
9. Don't give medical advice. If anything I've listed should be checked
   by a professional, say so.
10. Use [lb/kg] and tell me how to pick a starting weight for each exercise.

Before writing the plan, ask me any questions you need answered.

The last line matters: it fills the gaps with your answers instead of its guesses.

How to sanity-check the plan

Chatbots can be confidently wrong: set counts that don't add up, a barbell you don't have, a week 4 that jumps too fast. Run what you get through this checklist.

CheckWhat good looks likeRed flag
Movement patternsA squat, hinge, push, pull and core exercise every weekLots of pushing, no rows or pulldowns
Weekly volumeAbout 10 hard sets per muscle group; beginners can start lower25 sets for one muscle in month one, or 3 sets a week for your whole back
EffortMost sets at RIR 1-3Every set to failure, or no effort guidance at all
Progression ruleA clear rule, such as double progressionThe same weights and reps for 4 weeks
Rest daysAt least one full rest day, no hard work for the same muscles on back-to-back daysSeven hard days a week
EquipmentEvery exercise uses what you haveBarbell lifts in a dumbbell-only plan
TimeExercises, sets and rest fit your session9 exercises of 4 sets in 40 minutes

Double progression: keep a weight until you hit the top of the rep range on every set, then add the smallest jump available and build the reps back up.

If something fails, paste the problem back: "There's no hinge exercise and Day 2 won't fit in 45 minutes. Fix both, keep everything else."

Why about 10 sets? A 2017 meta-analysis found muscle gains rose with weekly sets per muscle, with the biggest gains at 10 or more; its authors recommended at least 10 to maximize growth. A 2026 analysis found more sets kept adding muscle and strength, but with diminishing returns. So about 10 is a sensible target, not a ceiling. Count a set for each muscle it trains hard: a Romanian deadlift counts for glutes and hamstrings.

You can also compare it with our gym workout plan for women, home workout plan for women or weight lifting for beginners. If yours looks very different, ask it why. Unsure how to split your days? See the workout split guide.

Where a general chatbot falls short

A chatbot is good at writing a plan. Running it for months is where the work lands on you.

  • You keep it up to date. Some chatbots can remember details between chats, but not always the latest version. When you come back to adjust, paste your current plan and last week's numbers so it isn't working from a guess.
  • You keep the log. A chatbot can only work with the numbers you share. Keep a log of date, exercise, weight, reps and RIR in a notes app or spreadsheet, and paste it in when you ask for changes.
  • You adjust it yourself. Missed sessions, travel, a new ache, low energy: you have to notice it and ask for the change.
  • It can be confidently wrong. Re-run the checklist every time it rewrites your plan.
  • It mostly explains form in words. Text cues help, but many people find a lift easier to learn by watching it done well.

None of this makes a chatbot a bad tool, just a general one. If you enjoy tinkering, it can work for a long time.

When a dedicated app helps

A general chatbot suits you ifA dedicated workout app suits you if
You want a one-off plan or fresh ideasYou want a plan you follow week after week
You enjoy writing prompts and checking the outputYou'd rather not write prompts
You're happy keeping your own logYou want tracking and exercise demos built in

You can use both: a chatbot for questions, an app for the plan. Comparing options? Read our guides to an AI personal trainer app and a workout planner for women.

How HerShape helps

If you'd rather not write prompts or keep a separate log, HerShape builds your weekly workout and meal plan around your goal, your equipment (full gym, dumbbells or bodyweight), your schedule, your life stage and your cycle phase. Exercises come with form videos, and progress tracking is built in. With Pro, you can regenerate your plan and ask Coach Sarah (the AI coach) to swap a meal or explain why your plan changed.

Download HerShape

Your first plan is free. Pro is $9.99 a month, or $79.99 a year with a 7-day free trial for new subscribers. See what is included

Frequently asked questions

Can ChatGPT make a good workout plan?

It can write a reasonable starting plan, especially when you give it detail; in one study, plan quality improved with more detailed prompts. Before you start, check it has a squat, hinge, push, pull and core exercise, about 10 hard sets per muscle a week, effort targets and a clear progression rule.

What should I tell ChatGPT to get a workout plan?

Your goal, training days, session length, equipment, experience, injuries or limits, life stage and exercises you like. Ask for sets, reps, rest, RIR and a 4-week progression. Then ask it to ask you any questions before it writes the plan.

Is an AI workout plan safe?

It's general information, not an assessment of you. Start conservatively, around RIR 3 in week 1, and ask for a swap if an exercise hurts. If you're pregnant, postpartum, injured or managing a health condition, talk to a doctor first.

How often should I update my AI workout plan?

About every 4 weeks, after an easier week. Paste in your logged numbers and what felt too easy or too hard, then ask for the next block.

Should I use ChatGPT or a workout app?

Either can work. A general chatbot is flexible and great for questions. A dedicated app is built for the repeat parts: the weekly plan, exercise demos and tracking. Pick the one you'll actually stick with.

Sources: Havers T et al., "Reproducibility and quality of hypertrophy-related training plans generated by GPT-4 and Google Gemini as evaluated by coaching experts," Biology of Sport, 2025; Schoenfeld BJ, Ogborn D, Krieger JW, "Dose-response relationship between weekly resistance training volume and increases in muscle mass: A systematic review and meta-analysis," Journal of Sports Sciences, 2017; Pelland JC et al., "The resistance training dose response: meta-regressions exploring the effects of weekly volume and frequency on muscle hypertrophy and strength gains," Sports Medicine, 2026.