Kuinka laskea AI Code Assistant ROI

Mikä on AI Code Assistant ROI?

The AI Code Assistant ROI calculator measures the return on investment from developer productivity tools like GitHub Copilot, Cursor, Cody, and Amazon CodeWhisperer. It estimates time saved, cost savings, and payback period based on developer salary and measured productivity gains.

Kaava

Annual ROI = ((Hours Saved per Developer × Hourly Cost × Developers) - Annual License Cost) / Annual License Cost × 100%

N: Number of Developers (developers) — Total developers using the AI code assistant
C_dev: Fully-Loaded Developer Cost ($/year) — Annual salary plus benefits, taxes, and overhead
G: Productivity Gain (%) — Percentage improvement in coding task speed
L: License Cost ($/user/month) — Monthly per-seat cost of the AI code assistant

Vaiheittainen opas

1Enter the number of developers and their average fully-loaded cost (salary + benefits)
2Select the AI code assistant and its per-seat pricing
3Estimate the productivity improvement percentage (studies suggest 25-55% for coding tasks)
4View annual savings, payback period, and ROI percentage

Ratkaistut esimerkit

Syöte

50 developers, $150K avg fully-loaded cost, GitHub Copilot Business ($19/user/mo), 30% productivity gain on coding tasks (40% of time)

Tulos

Annual license: 50 × $19 × 12 = $11,400. Hours saved: 50 devs × 2,080 hrs × 0.40 × 0.30 = 12,480 hrs. Value of saved hours: 12,480 × $72.12/hr = $900,000. ROI: 7,789%.

Syöte

10 developers, $120K cost, Cursor Pro ($20/user/mo), 25% productivity gain

Tulos

Annual license: $2,400. Hours saved: 10 × 2,080 × 0.40 × 0.25 = 2,080 hrs. Value: 2,080 × $57.69 = $120,000. ROI: 4,900%.

Yleisiä virheitä vältettäväksi

✕Applying productivity gains to 100% of developer time — AI code assistants primarily help with coding/writing tasks (30-50% of time), not meetings, design, or debugging
✕Using self-reported productivity gains rather than measured metrics like PR velocity or story points
✕Not accounting for ramp-up time (2-4 weeks) and the learning curve of effective prompt engineering for code

Usein kysytyt kysymykset

How much faster do developers work with AI code assistants?

Studies show 25-55% faster task completion for coding tasks specifically. GitHub's research found Copilot users completed tasks 55% faster. However, this applies primarily to code writing (not debugging, design, or meetings). Real-world net productivity improvement across all developer activities is estimated at 10-20%.

Is GitHub Copilot worth $19/month?

At $19/month ($228/year), a developer earning $100/hour needs to save just 2.3 hours per year to break even. Since studies show savings of 1-2 hours per week, the ROI is typically 20-50x the license cost. For individual developers, Copilot pays for itself within the first week of use.

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