Codex Limits Release notesCodex 0.144.6

CODEX RELEASES

What’s new in Codex 0.144.6

Official releaseReleased Jul 18, 2026Original notes on GitHub

Bug fixes

Refreshed bundled instructions for GPT-5.6 Sol, Terra, and Luna, and corrected their context windows to 272,000 tokens. (#33972, #34009)