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What's the difference?

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All stages · Demo 101

Flag tick

Choice internal / beta / ga. `fnv(user) % 100 < cut[cohort]` lives in the repo. The model does not roll dice.

ChoiceFeature flag + hash

A rollout bar with a magenta tick. On or off is a comparison, not a paragraph.

replaycohort —hash% —

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STANDBY

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.