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What's the difference?

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All stages · Demo 10

Switchboard

Score how hard the turn is. Choice the handler. One intent can skip the LLM entirely.

ScoreChoiceNoulIntent routing

Rails light up: Jev-only, cheap model, frontier, or a human — the switchboard is typed.

replayroute idletools —

difficulty · Score

0.00

handler rails

All 4056 stages

Educational stage on jev.page — not the official TypeSafe console. Live calls go to POST https://api.typesafe.ai/v1/systemone from your browser when you paste a key. Without a key, the stage plays a recorded decision shaped like jev-1.13.0. Jev does not write the UI copy.