GPT vs Claude: Context Window Strategy Divergence
PawelHuryn · x · 2026-07-20
Hacker News discovered that GPT-5.6 Sol's max context window in Codex was quietly reduced by 100k tokens to 272k tokens, labeled as a bug fix in release notes.
The author finds this puzzling because Anthropic took the opposite approach: retaining a 1 million context window in Cowork without a /compact command, instead restricting the model itself.
Related event: OpenAI Quietly Cuts Codex Context Window to 272k Tokens(5 posts)→
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