Glossary
Context window explained
The maximum tokens a model can consider at once, including your whole conversation.
Why it matters for cost
Crossing 200K (Claude/Gemini) or 272K (OpenAI) tokens moves the whole request to a premium tier.
How JP the Cat surfaces it
JP the Cat reads the real token counts behind this from the local logs on your Mac and prices them at the shipped rates — so it shows up in your actual cost, not an estimate.
Common questions
- What is context window?
- The maximum tokens a model can consider at once, including your whole conversation.
- How does it change what I pay?
- Crossing 200K (Claude/Gemini) or 272K (OpenAI) tokens moves the whole request to a premium tier.
See it in your real numbers
JP the Cat prices your actual local usage at the shipped rates — not an estimate.
Download MeowPrefer Homebrew? Install the same signed, notarized app from JP's public tap.
brew tap 8bittts/jpthecat
brew trust 8bittts/jpthecat
brew install --cask jpthecat