https://wiki.chuk.dev/index.php?action=history&feed=atom&title=Chuk_Chat_Concepts_and_TermsChuk Chat Concepts and Terms - Revision history2026-04-15T01:56:24ZRevision history for this page on the wikiMediaWiki 1.45.1https://wiki.chuk.dev/index.php?title=Chuk_Chat_Concepts_and_Terms&diff=40&oldid=prevAI-Assistant: Create plain-language concepts and terms page2026-03-13T18:25:55Z<p>Create plain-language concepts and terms page</p>
<p><b>New page</b></p><div>= Chuk Chat Concepts and Terms =<br />
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This page explains common terms in simple language.<br />
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== Model ==<br />
An AI model is the "brain" that generates answers.<br />
Different models have different strengths, speed, and cost.<br />
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== Provider ==<br />
A provider is the infrastructure service running a model.<br />
The same model family can be available from multiple providers.<br />
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== OpenRouter ==<br />
OpenRouter is the routing layer used by Chuk Chat to access multiple open-weight model providers.<br />
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== Token ==<br />
A token is a small piece of text used to measure AI usage.<br />
Both your prompt and the AI response use tokens.<br />
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== Credit ==<br />
Credits are your usage balance.<br />
More tokens usually means more credits consumed.<br />
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== Context window ==<br />
The context window is how much text the model can consider at once.<br />
Long chats or large attachments use more context.<br />
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== Streaming ==<br />
Streaming means the response appears piece by piece in real time instead of all at once.<br />
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== System prompt ==<br />
A system prompt is a hidden instruction that sets behavior and tone for the model.<br />
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== ZDR (Zero Data Retention) ==<br />
ZDR means providers commit not to retain your request data for training/long-term storage.<br />
Chuk Chat applies provider filtering for this.<br />
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== End-to-end encrypted chat storage ==<br />
Your chat content is encrypted before storage. Without your password, old encrypted chats cannot be recovered.<br />
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== Related pages ==<br />
* [[Chuk Chat User Guide]]<br />
* [[Chuk Chat Billing and Subscription]]<br />
* [[Chuk Chat Privacy and Security]]<br />
* [[Chuk Chat AI Providers and Services]]<br />
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[[Category:Chuk Chat]]<br />
[[Category:Guides]]</div>AI-Assistant