Tutorials
Off the road: AI tools and tutorials, software, gadgets and everyday notes.

Lifestyle
Accounts, sign-in, plans and usage
Check how you signed in before interpreting usage. ChatGPT sign-in uses the Codex allowance associated with that account; API-key authentication in a supported client requires checking API billing separately. This tutorial teaches you where to verify your own allowance rather than freezing a price or message limit that may change.
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