AI Coding Assistant ROI Calculator
Every Copilot ROI calculator online is built for a manager justifying a team license. This one is for the developer paying for it personally - enter your subscription cost, your hourly rate, and the hours it actually saves you each week. Nothing uploaded.
Verdict
The Numbers
AI coding assistant ROI and breakeven analysis
How to estimate hours actually saved
An AI coding assistant saves time on specific tasks - writing boilerplate, fixing syntax errors, refactoring, and generating test cases. Not every task. Most developers overestimate hours saved initially because they conflate "time the tool runs in the background" with "time I saved doing work." Track real savings: if Copilot autocompletes a function in 30 seconds instead of 5 minutes, you saved 4.5 minutes, not an hour. Typical realistic savings for active daily use: 2-5 hours per week for most developers, 5-10 for those using it heavily on boilerplate-heavy projects.
Monthly value vs breakeven point
Monthly value is hours saved times your hourly rate. At $60/hour, saving 3 hours per week (about 13 hours/month) generates $780 in value. If your subscription costs $20/month, net monthly value is $760. Breakeven is the minimum hours you'd need to save per month to offset subscription cost. At $20/month cost and $60/hour rate, you break even at 20 minutes/month - nearly zero. At $120/month (GitHub Copilot team) and $50/hour rate, you need 2.4 hours/month (~36 minutes/week) to break even.
FAQ
At what hourly rate does the subscription pay for itself?
It depends on hours saved. If you save 3 hours/week and your subscription costs $20/month, you need an hourly rate above $20 / (3 * 4.33) = $1.54/hour to break even. The calculator above shows your exact breakeven hours per month based on your actual rate and savings.
Why is the ROI so much better for high-paid developers?
Every hour saved is worth more at a higher hourly rate. A developer billing $200/hour gains $200 value per saved hour. A $50/hour developer gains $50 value per saved hour on the same task. Both save the same time, but the time saved is economically more valuable to the person with higher hourly income.
Should I count every hour the tool runs or only hours I actively use it?
Only count hours when you're actively using the assistant to do work you'd otherwise do yourself. If the tool saves you 5 minutes per day on an 8-hour workday, that's about 20 minutes per week, not 8 hours per week. Be honest with your estimates - most developers overestimate hours saved at first.