Type Safety Isn't Correctness: Run Evals Before Wiring Structured Outputs to Billing
HaktanSuren · x · 2026-09-20
Commenting on Jev's promise of zero type errors, the author argues that type-valid output can still be semantically wrong — refund: false may parse perfectly and still be the incorrect answer. The takeaway: before wiring structured outputs into billing or other high-stakes flows, teams should eval business-level correctness, not rely on type-system guarantees.
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