What is Context window?
The short answer
The context window is how much text an AI model can consider at once, including your instructions, the files it reads and the conversation so far.
Context window, explained
Coding agents manage it by reading only relevant files and summarising older history; keeping files small and focused helps them work accurately.
Questions people ask about Context window
What is Context window?
The context window is how much text an AI model can consider at once, including your instructions, the files it reads and the conversation so far.
Related terms
Tokens are the chunks of text, often word fragments, that AI models read and write; usage, limits and pricing for AI services are measured in tokens.
LLMA large language model is an AI system trained on vast amounts of text to predict and generate language, including code, which powers chatbots and coding agents.
Coding agentA coding agent is an AI that works in a real codebase: it reads files, writes and edits code, runs builds and tests, and fixes what fails.
Vibe codingVibe coding is building software by describing what you want to an AI in plain language and iterating on what it produces, rather than writing the code line by line yourself.
Part of the Web Encyclopedia by Apex Flow Digital. Definitions are general knowledge, kept current, with no invented statistics.