# Slow developer experience will bottleneck fast models

> If the model is faster than your CI, your CI is now the product constraint.

- Type: signal
- Published: 2026-06-21
- Topics: agentic-development, scale-and-performance, devex, ci
- Source: Sean Goedecke — https://seangoedecke.com/slow-devex-will-bottleneck-fast-models/
- Canonical: https://cmlonder.com/signals/slow-devex-bottleneck

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The moment the model runs faster than your CI, the constraint on your
product is no longer the model but the CI, which means the build time you
have been deferring for years suddenly becomes the priority. After
reading this I looked seriously at my own pipeline durations for the
first time.