Capacity and cycle time
Measure completed workflow units, touch time, wait time, rework, bottlenecks, and whether released capacity is actually redeployed or avoided.
Enterprise AI investment case
How should an enterprise estimate AI ROI and total cost of ownership?
Start from one measurable operating workflow, not a promised productivity percentage. Compare the verified baseline with attributable changes, count the complete cost of delivery and operation, model uncertainty explicitly, and update the investment decision with pilot evidence.
By Onyx Devs Lab · Published · Updated
BaselineVolume, time, quality, cost, and consequence
AttributionSeparate AI effect from other changes
Whole-life costDelivery, operation, adoption, risk, and exit
Build a defensible benefit model
Benefits need an owner, measurement definition, time window, source, and conversion rule.
Quality and risk
Value error reduction, consistency, coverage, detection, loss avoidance, or control evidence without treating hypothetical avoided loss as guaranteed cash.
Revenue and service
Link conversion, retention, throughput, availability, or customer experience to a credible causal path and distinguish leading indicators from realised financial results.
Count the total economic boundary
Model calls are often a small part of production TCO.
Delivery cost
Include diagnosis, data preparation, integration, software, evaluation, controls, migration, security, procurement, training, and change management.
Operating cost
Include models, cloud, licences, monitoring, support, human review, exceptions, re-evaluation, incidents, compliance, vendors, and internal ownership.
Risk and optionality
Model low, base, and high adoption, quality, volume, price, delay, and failure scenarios; include switching, exit, residual value, and the next evidence gate.
How to build the investment case
Measure the current workflow
Fix the unit, population, period, source, owner, volume, time, quality, cost, exceptions, and outcome before intervention.
Write benefit and cost equations
Show every assumption, conversion, dependency, range, timing, confidence, and excluded item instead of one headline ROI number.
Run sensitivity and stop conditions
Identify which adoption, quality, volume, delay, or cost assumption changes the decision and what evidence will resolve it.
Replace assumptions with pilot evidence
Update the model with observed complete-workflow results, report residual uncertainty, and sign scale, redesign, hold, or stop.
Frequently asked questions
Should saved employee hours be counted as cash?
Only when they reduce paid capacity, avoid hiring, increase measurable throughput, or are redeployed to valued work. Report theoretical hours separately from realised value.
What time horizon should be used?
Use a horizon appropriate to delivery, adoption, renewal, and technology change, and show annual or quarterly cash flows rather than hiding timing in one ratio.
Can risk reduction be included?
Yes, with a clear event, exposure, baseline frequency, intervention effect, evidence, and uncertainty. Do not present speculative avoided loss as guaranteed savings.
Start with one concrete operating problem.
We will first clarify the workflow, evidence, data boundary, and outcome standard before recommending the next step.
Contact Onyx