Calculators

Interactive Calculators for AI Infrastructure & Project Economics.

NexPatch calculators provide transparent guidance for AI decision makers: from operational infrastructure costs (Self-hosting vs. API) to financial ROI, AI maturity self-assessment, and funding eligibility.

Choose a calculator

Cost comparison

ROI

AI readiness

Funding check

Which calculator for which question?

Our four calculators logically build on each other. If you are starting out, we recommend the following order:

1. Readiness & Maturity1. Maturity Check: Clarify your baseline and tier (Explorer, Adopter, Operator).2. ROI & Payback2. ROI Calculator: Model economic potential and payback in months.3. Cost Comparison3. Cost Comparison: Determine at what volume self-hosting beats token APIs.4. Government Funding4. Funding Check: Identify applicable federal, state, and EU grants.

Cost Comparison

AI Self-Hosting vs API Cost Comparison

Compare the total cost of running your own dedicated AI infrastructure versus public pay-per-token API endpoints. Identify the precise break-even request volume.

Differentiated model classes (Small, Medium, Large)
Interactive volume slider up to 5M requests / month
Disclosed assumptions & price status September 2026

Open Cost Calculator

ROI & Payback

AI Project ROI & Payback Calculator

Estimate expected financial returns, cost savings, and payback timeframes for your enterprise AI initiatives.

Transparent 4-field business case model
Payback period in months & annual savings
Scenario presets & exportable summary

Calculate Project ROI

Readiness & Maturity

AI Readiness & Maturity Assessment

Assess your data readiness, pilot experience, internal capacity, leadership buy-in, and budget clarity.

5-question self-test with zero upfront contact forms
Instant classification: Explorer, Adopter, or Operator
Actionable recommendations & optional feasibility report

Start Maturity Assessment

Government Funding

AI & Digitalization Funding Check

Check eligible government grants (e.g. Forschungszulage, ZIM, regional Digitalbonus, Horizon Europe) for your AI project.

11 structured questions tailored to company profile
Coverage of regional, federal, and EU programs
Concrete programme names & retroactive R&D allowance check

Check Funding Eligibility