The renewal email lands just before your team meeting. Eight AI seats cost $144 a month. Five people use them to draft client prep briefs, and the first draft takes only five minutes. Everyone wants a quick yes or no.
Would you renew all eight seats, price five, or run another test? The missing number is how long it takes to get a brief someone can actually send.
Start here. Pick one recurring task and time it from the first input to approval. Include the time spent checking the AI draft.
Five minutes to draft. Twelve to approve.
In this fictional team, a manual brief takes 14 minutes from notes to approval. The AI-assisted route takes five minutes to prepare and draft, then seven to check dates, fix names, and approve it. That’s 12 minutes end to end.
At 60 approved AI-assisted briefs a month, two minutes each gives the team two hours back. Valuing those hours at a hypothetical $48 each puts the time value at $96 per month. The current bill is $144. Those two hours represent staff capacity, and the subscription still costs $144 in cash.
Run the same numbers with five seats
At the same fictional $18 per seat, five seats would cost $90 per month. If those five users can still handle all 60 briefs and the contract allows a reduction at renewal, the modeled time value would exceed the bill by $6. A modest dip in usage or any extra charge could erase that margin.
Break-even at two minutes saved per brief
Eight seats · $144/month. At $48 per hour, the plan needs 90 approved AI-assisted briefs each month.
Five seats · $90/month. It needs 57 whole briefs, rounded up from 56.25.
Keep the volume at 60? The eight-seat plan would need to save three minutes per approved brief to cover its fee under these assumptions.
What to measure before the renewal date
Choose a batch of comparable briefs. Use the same finish line for both routes: someone has checked the facts and approved the brief. Record preparation, corrections and human review, including manual fallback work when an AI draft gets discarded. Track rejected drafts separately as a quality check.
Use the count of comparable briefs your team actually handles with the AI-assisted workflow. If no briefs are completed with it, record the pilot effort and skip the per-brief calculation until you have usable results.
Take the seat count and fees from the invoice or renewal quote. Check the minimum seat count, when changes take effect, and any extra charges. If the vendor quotes an annual commitment, divide by 12 for the comparison and record when the full payment is due.
Do the math in your spreadsheet. Divide total net minutes saved by 60 and multiply by the value you assign to an hour of usable capacity. For a break-even volume, divide the monthly plan cost by the value of the time saved per approved brief and round up. If the measured workflow saves zero or negative time, there’s no time-based break-even at that rate.
Open the prompt for checking your renewal worksheet
Review the figures below for a single workflow. Separate paid seats from seats that perform the task. Flag any missing review time, discarded-draft effort, fee, or contract term. Show the assumptions and units, then give formulas I can check in a spreadsheet. Compare the current seat count with a smaller permitted plan. Hold monthly volume constant only if the smaller group can handle that volume. Keep modeled time value separate from cash savings.
My inputs
Workflow and approval standard ___
Manual and AI-assisted time samples ___
Corrections and fallback effort ___
Approved AI-assisted briefs per month ___
Paid and active seats ___
Quoted fee, extra charges and renewal terms ___
Value per usable hour ___
If your renewal were due today, what would change your answer? For this team, the next test is whether five people can keep producing 60 approved briefs while saving at least two minutes apiece.
Related on WorkTool Note. Give an AI tool one real job before you buy it.
Sources checked November 8, 2026. Spendesk’s guide to SaaS costs and renewal, iTechGuides’ guide to subscription break-even, and Microsoft’s paper on adoption and productivity measurement. The prices, usage and times here are fictional. The arithmetic was checked separately.