faq
About 193× / 444× speed-cost claims
Those figures are TypeSafe workflow-eval marketing on their launch blog—we do not re-run them here.
TAG
faq
Browse every matching Quick Start, Learn, Template, and Troubleshoot entry collected under this tag.
Troubleshoot
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faq
API returns 401
Unauthorized usually means missing/invalid TYPESAFE_API_KEY, wrong auth header, or calling the wrong host.
faq
Can Jev be wrong?
Yes. Use confidence paths, human escalation, and domain evals. Honest uncertainty is a feature.
faq
Does the playground need signup?
Console playground and jevplayground.com may change access rules—re-check live. Prefer official console for keys.
faq
Is Jev an LLM?
No. Jev is a System One decision model: structured answers, not chat text generation.
faq
Is the agent skill required?
Optional accelerator for coding agents. Apps call the API/SDK without it.
faq
OpenJev vs Jev?
OpenJev/SemIf is an interface pattern on open models; hosted Jev is TypeSafe’s model. SemIf ≠ TypeSafe weights.
faq
What is Noul?
Noul asks whether a statement is true and returns noul = P(yes) in 0–1. No separate confidence field.