Measure before and after
Measure the task before and after AI, so you know what it really saved.
The best free resources
How to Measure Time Saved After Rolling Out AI in a Small Firm
Step-by-step stopwatch method: two-week baseline, then count review and rework time too.
Sagnik Bhattacharya, sagnikbhattacharya.com · Sep 2026How to Measure ROI on AI Tools in a Small Business: The Numbers That Matter
A 14-day log template: task, minutes before and after, value, cost.
Lilach Bullock, lilachbullock.com · 2026Measuring the Impact of Early-2025 AI on Experienced Open-Source Developer Productivity
People felt 20% faster with AI but were 19% slower: measure, don't guess.
Joel Becker, Nate Rush, Beth Barnes, David Rein, METR · 2026The Impact of Generative AI on Work Productivity
A realistic yardstick: AI users report saving about 5% of work hours.
Alexander Bick, Adam Blandin, David Deming, Federal Reserve Bank of St. Louis · Feb 2025Proving ROI on AI: Simple Measures That Actually Matter for Small Business
Five things to track beyond hours: quality, decision speed, what you stopped doing.
Robert Crane, CIAOPS blog · Mar 2026
Curated by effectiveAI. Every link checked November 2026. Know a better free resource? Tell us.