Guides
Glossary
Short definitions of the terms used on Retro AI Tracker, each with a quick answer and its sources.
What is a banked reset? Saved resets in Codex and Claude
A banked reset is a saved limit refill you apply when you choose. How Codex banked resets and Claude's limit resets work, and when they expire.
Last checkedWhat is a context window? Tokens, limits and compaction
A context window is how much text a model can consider at once. Current sizes for Claude, GPT-6 and Muse Wonder, and how coding agents manage it.
Last checkedWhat is a usage reset? Codex and Claude explained
A usage reset refills your AI coding usage limits early. How Codex and Claude resets work, and what Completed, Announced and Banked mean in our archive.
Last checkedWhat is a weekly limit? Claude and Codex weekly caps
A weekly limit caps how much you can use an AI plan over a week. How Claude's fixed weekly reset works, Max's Fable limit, and Codex weekly limits.
Last checkedWhat is prompt caching? Cache reads and writes explained
Prompt caching reuses a repeated prompt prefix so requests are cheaper and faster. How Claude and OpenAI price cache reads and writes, and cache lifetimes.
Last checkedWhat is reasoning effort? Low, medium, high and max
Reasoning effort controls how much a model thinks before it answers. The levels OpenAI and Anthropic offer, defaults per model, and how to set them.
Last checkedWhat is the five-hour limit? Claude, Codex and Muse Code
The five-hour limit is a usage window on AI coding plans. How it works on Claude, Codex and Muse Code, who has one, and what to do when you hit it.
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