Intel / post

@OpenAI To be clear, I don't recommend increasing the default context size in Co

Source: x.com
Author: polynoamial
Date: Published Aug 17, 2026

Why it matters

Codex's limit is a deliberate cost/performance setting, not a ceiling worth raising by default — autocompaction is the intended mechanism, and the 1M option is opt-in for a reason.

Terms in this piece · Glossary

token — The chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.
context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.

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