PDI vs CodeClimate
CodeClimate tells you your code has problems. PDI tells you when those problems will bankrupt your engineering capacity — in dollars and quarters.
| Dimension | PDI | CodeClimate |
|---|---|---|
| What it measures | Economic impact of technical debt ($, quarters) | Code quality metrics (complexity, duplication, coverage) |
| Output | Technical Insolvency Date, dollar cost of debt | GPA score, code quality grades (A-F) |
| Question answered | "When will debt bankrupt our velocity?" | "How clean is our code?" |
| Audience | CTOs, CFOs, board members, investors | Engineers, tech leads, engineering managers |
| Integration | Input-based diagnostic (no repo access needed) | GitHub/GitLab repo integration required |
| Cost | Free (richardewing.io/tools/pdi) | $16-$299/mo per repo |
| Board-ready? | ✅ Produces investment-grade financial analysis | ❌ Engineering-focused metrics |
The Verdict
CodeClimate measures the symptoms. PDI measures the prognosis. Code quality grades are useful for engineers. But when your CFO asks "how much is technical debt costing us?", you need PDI's dollar-denominated, quarter-dated answer.
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