We ran Cloudflare's Clef and Clef-flash against Jev on five production AI agent decisions: 1,053 calls, accuracy, determinism, drift, cost, and what we are switching.
We shipped TypeSafe's Jev into our AI employee's memory five days after launch: measured latency, how we set a 0.7 threshold, where Jev fails, and what it costs.
Agents made work cheap to produce and no cheaper to check. Why software absorbed the flood, why the rest of the business did not, and the five things that make agent work checkable.
Why AI agents keep failing on long multi-step jobs: a 95% reliable agent finishes 48 steps 8.5% of the time. The fix is a resumable run, not a better model.