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What's the difference?

If you know ChatGPTvs ChatGPTWhen to use whichDemo stagesUpdatesEcosystemTalks & appearancesSocial postsReadingsOther 101sWhat's the difference?ResourcesAbout this guideStart the 101TypeSafe console ↗

All stages · Demo 353

Chinese national ID

Choice cn / tmp / other. Seventeen digits then 0–9 or X; weights 7-9-10-5-8-4-2-1-6-3. Jev never mods 11. Seventeen digits need the check.

ChoiceGB 11643 in JS

A digit tape. 110101198001010010 books an MPS plate. A last-digit flip rejects. Seventeen digits never pass.

replaykind —cn —

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.