Codex CLI 0.144.6 fixes GPT-5.6 context-window regression
OpenAI
Following the 0.144.5 safety fix, OpenAI shipped Codex CLI 0.144.6 on July 18, 2026, fixing bundled instructions for the GPT-5.6 Sol, Terra, and Luna model variants and restoring their 272,000-token context windows.
Why it matters
The context-window fix resolves a real regression for anyone using Codex with the newer GPT-5.6 model variants.
Importance: 2/5
Bug-fix follow-up to an already-covered release line; confirmed via official GitHub releases.
Sources
official
Releases · openai/codex