Copilot ROI Calculator
Model developer assistant ROI from seat count, loaded developer cost, coding-time share, and productivity uplift.
This model targets engineering copilot economics where per-seat cost and coding productivity uplift are primary drivers.
It is designed for engineering leadership decisions about seat rollout scope, team adoption assumptions, and enablement investment. The model separates recovered engineering value from licensing so budget tradeoffs are visible.
Annual recovered value
$172,800.00
Annual license cost
$45,600.00
Annual net benefit
$127,200.00
Payback period
1.42 months
How This Model Works
Estimates recovered engineering capacity from developer cost, coding-time share, and uplift assumptions.
Subtracts annual seat licensing and one-time enablement cost.
Outputs annual net value and payback timing for engineering leadership planning.
Field Definitions
Use these definitions to set assumptions consistently before comparing results across teams.
Developer seats
Number of engineers expected to actively use the assistant in day-to-day coding.
Loaded annual cost / developer
Fully loaded annual cost per engineer, including salary, benefits, employer taxes, tooling, and management overhead.
Share of time on coding
Percent of engineering time spent in coding tasks where assistant uplift realistically applies.
Productivity uplift
Expected productivity increase on coding work only, based on measured pilot outcomes rather than vendor benchmarks.
Copilot cost / seat / year
Annual license spend per active seat.
Enablement cost
One-time training and standards-alignment effort for secure, consistent usage.
Frequently Asked Questions
+Why include coding-time share?
Productivity uplift should apply only to coding-related time, not all engineering time.
+Is uplift fixed?
No. Uplift varies by team workflow, review standards, and adoption depth.
+Who should use this model?
Engineering leaders evaluating coding-assistant rollouts and seat-level budget tradeoffs.
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